LAMPIRAN 1 DATA PENELITIAN

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1 LAMPIRAN 1 DATA PENELITIAN (Menit) L1.1 Data Hasil Pengeringan Percobaan I Adapun data hasil penelitian yang diperoleh dari perbandingan massa kakao dan absoren 1:1 dapat dilihat dari tabel berikut ini: Tabel L1.1 Data Hasil Pengeringan Biji Kakao dengan Perbandingan Massa Kakao : Massa Kakao (gr) Temperatur ( o C) Absorben 1 : 1 RH Temperatur Udara ( o C) Kabinet Plat Acrylic Kayu Kolektor Kabinet Temperatur Lingkungan 0 1,000 53,1 48,7 40,1 31,5 51,5 45,0 41,0 10 1,000 52,4 44,7 38,2 30,0 53,5 48,0 41,0 20 0,991 48,6 38,8 39,9 29,0 55,0 49,0 40,0 30 0,989 51,7 49,8 36,6 29,0 59,0 49,5 41,0 40 0,987 53,4 49,9 37,2 28,5 64,5 50,5 41,0 50 0,985 56,8 51,2 38,1 28,0 66,0 53,5 41,0 60 0,983 58,2 48,9 39,2 27,5 66,0 54,0 41,0 70 0,981 57,6 43,2 39,8 27,5 62,5 54,5 41,0 80 0,975 57,8 50,6 37,2 26,5 63,5 55,0 41,0 90 0,975 55,4 48,5 36,5 26,5 65,0 55,0 41, ,969 53,2 48,8 37,7 26,0 67,0 55,0 41, ,963 58,5 48,7 39,1 23,5 71,0 55,5 41, ,957 55,2 46,2 39,5 23,5 72,5 56,5 41, ,951 61,4 51,8 40,2 13,5 75,5 68,0 41, ,945 58,6 49,2 38,3 13,5 76,0 68,5 41, ,939 58,2 49,0 38,1 14,0 68,5 67,0 41, ,933 61,9 52,1 40,0 14,5 71,0 67,5 40, ,927 59,0 45,3 38,8 24,0 64,0 55,5 40, ,921 65,0 39,2 41,2 28,5 60,5 51,5 40, ,915 59,0 44,9 40,2 32,0 59,0 49,0 40, ,909 65,5 39,7 44,6 33,0 57,5 48,0 40, ,906 54,4 38,2 38,7 34,5 50,0 45,5 40, ,903 54,6 42,7 36,6 36,5 53,5 44,5 40, ,900 57,5 42,8 37,9 38,5 58,5 44,0 41, ,897 62,9 45,6 41,4 37,5 61,0 46,0 41, ,894 63,3 46,1 43,0 38,5 61,5 45,0 41,0 ( o C) 53

2 ,891 64,3 47,8 43,2 39,5 57,0 44,5 41,0 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Temperatur Kakao Kabinet Lingkungan (Menit) Plat Acrylic Kayu Kolektor Kabinet (gr) ( o C) 270 0,888 69,0 49,5 45,1 39,5 53,5 44,0 41, ,885 69,9 50,0 45,4 40,0 53,5 43,5 41, ,882 50,3 45,6 37,0 41,0 51,5 43,0 40, ,879 66,3 53,1 44,3 42,0 49,5 43,0 40, ,876 54,1 43,9 37,8 42,0 49,5 42,5 40, ,873 54,9 40,8 38,1 42,5 50,0 43,0 40, ,870 46,8 38,1 37,3 42,5 50,5 43,0 40, ,867 55,4 39,5 39,6 43,0 48,5 42,5 38, ,864 39,9 35,3 34,6 43,0 47,5 42,5 33, ,861 53,1 40,1 39,2 43,5 46,5 42,0 38, ,858 55,6 38,1 38,8 44,0 45,5 42,0 33, ,856 56,9 40,9 40,8 44,0 44,0 42,0 30, ,854 55,3 38,2 37,6 44,0 43,5 41,5 30, ,852 51,6 38,8 40,8 44,0 42,5 41,5 30, ,850 50,5 38,0 39,3 44,0 41,5 41,5 28, ,848 49,5 35,6 35,6 44,0 40,5 41,5 28, ,847 48,8 34,3 34,4 44,5 39,5 41,0 26, ,846 45,9 33,6 33,7 45,0 38,0 41,0 26, ,845 46,5 33,8 34,1 45,0 39,0 40,0 26, ,844 42,9 36,1 34,5 48,0 40,0 38,5 26, ,843 44,1 35,2 35,2 49,5 39,5 37,5 26, ,842 41,1 34,3 34,8 51,0 38,0 36,5 26, ,841 51,5 35, ,840 52,0 34, ,839 53,5 33, ,838 54,0 32, ,837 55,0 31, ,835 57,5 31, ,833 58,0 30, ,831 60,5 30, ,829 62,5 30, ,827 63,5 29, ,825 64,0 29, ,823 65,0 29, ,821 65,0 29, ,819 65,5 28, ,817 65,5 28, ,815 66,0 28,0

3 ,813 66,5 27,5 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Kakao Kabinet (Menit) Plat Acrylic Kayu Kolektor Kabinet (gr) 660 0,811 67,0 27, ,809 67,0 27, ,807 68,5 26, ,805 70,0 26, ,803 71,5 25, ,801 72,0 25, ,799 72,5 25, ,797 73,0 25, ,795 73,0 25, ,793 73,0 25, ,791 73,0 25, ,788 73,0 25, ,785 73,0 25, ,782 73,0 25, ,780 73,0 25, ,778 73,0 25, ,776 73,0 25, ,774 73,0 25, ,772 73,0 25, ,770 73,0 25, ,768 73,0 25, ,766 73,0 24, ,764 73,0 24, ,762 73,0 24, ,760 73,0 24, ,758 73,0 24, ,756 73,0 24, ,754 73,0 24, ,752 73,0 24, ,750 73,0 24, ,748 73,5 24, ,746 73,5 24, ,744 73,5 24, ,742 73,5 24, ,740 73,5 24, ,738 73,5 24, ,736 73,5 24, ,734 73,5 23,0 Temperatur Lingkungan ( o C)

4 ,732 74,0 23,0 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Kakao Kabinet (Menit) Plat Acrylic Kayu Kolektor Kabinet (gr) ,730 74,0 23, ,728 74,0 23, ,726 74,0 23, ,724 74,0 23, ,722 74,0 23, ,720 74,0 22, ,718 74,0 22, ,716 74,0 22, ,714 74,0 22, ,712 74,5 22, ,710 75,0 22, ,708 75,0 22, ,706 75,0 22, ,704 75,0 21, ,702 75,0 21, ,700 77,5 21, ,698 78,0 21, ,697 78,5 21, ,696 79,0 21, ,695 79,5 21, ,694 80,5 21, ,693 81,5 21, ,692 82,0 21, ,691 83,0 21, ,690 83,5 21, ,689 84,0 21, ,688 84,5 21, ,687 85,0 21, ,686 85,5 21, ,685 85,5 20, ,684 85,5 20, ,683 86,5 20, ,682 87,0 20, ,681 87,0 20, ,680 87,0 20, ,679 87,0 20, ,678 87,5 20, ,677 86,0 22,5 Temperatur Lingkungan ( o C)

5 ,676 85,0 25,0 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Kakao Kabinet (Menit) Plat Acrylic Kayu Kolektor Kabinet (gr) Temperatur Lingkungan ,675 84,5 27, ,674 52,0 44,5 37,6 83,0 33,5 28,5 32, ,672 52,7 48,5 37,7 80,5 34,0 30,0 32, ,669 53,0 48,7 38,7 78,5 36,5 30,5 32, ,665 56,4 49,6 39,3 75,0 36,0 31,0 32, ,660 57,2 49,7 39,4 74,5 37,5 32,5 32, ,654 57,8 51,0 39,6 72,5 38,5 33,5 33, ,647 57,4 50,4 36,7 71,0 40,5 35,0 33, ,638 55,0 48,3 36,0 68,5 42,5 37,5 33, ,629 52,8 48,6 37,2 67,5 44,5 38,5 33, ,620 58,1 48,5 38,6 66,0 47,5 40,5 33, ,611 54,8 46,0 39,0 64,5 49,0 40,5 33, ,603 41,8 32,7 33,5 63,5 50,0 41,0 34, ,595 42,1 31,5 34,7 61,5 51,0 41,0 34, ,587 43,5 32,3 35,2 58,5 48,0 41,5 34, ,579 40,7 33,8 32,8 55,0 47,5 42,0 34, ,571 43,2 34,6 32,5 53,5 47,0 42,0 34, ,564 42,6 31,5 31,0 52,0 48,5 44,5 34, ,558 43,6 32,4 33,1 52,0 49,0 45,5 34, ,553 45,8 37,6 34,6 52,5 49,5 47,0 34, ,549 58,5 35,7 34,2 51,5 50,0 47,5 34, ,545 57,5 35,6 34,5 50,5 50,5 48,0 34, ,541 56,5 36,7 33,8 49,5 51,5 48,5 33, ,537 56,0 37,5 34,6 49,5 51,5 48,5 33, ,533 52,4 36,5 33,6 48,5 51,5 48,5 32, ,529 52,2 36,8 34,2 49,0 52,5 49,0 32, ,525 52,5 37,0 34,8 48,5 55,0 53,0 33, ,521 52,7 37,4 35,5 48,0 55,0 54,5 32, ,517 50,5 37,1 34,5 49,0 55,0 52,0 31, ,513 57,5 36,5 32,4 49,5 55,0 50,5 31, ,509 57,3 37,3 33,1 48,5 55,0 51,0 32, ,504 58,0 36,6 34,2 48,0 55,0 51,5 31, ,499 57,5 35,8 31,4 48,5 55,0 51,5 30, ,494 54,3 34,3 32,3 47,0 55,5 52,0 28, ,489 55,0 34,0 34,0 46,5 55,5 52,0 27, ,484 54,8 36,1 33,3 45,0 55,5 52,0 27, ,479 56,2 36,3 34,1 45,0 55,5 52,0 27, ,475 50,9 35,8 33,4 45,5 55,5 52,5 27,5 ( o C)

6 ,472 46,5 34,8 32,0 44,5 55,5 52,5 27,5 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Temperatur Kakao Kabinet Lingkungan (Menit) Plat Acrylic Kayu Kolektor Kabinet (gr) ( o C) ,469 42,8 34,2 32,3 46,5 53,5 51,0 28, ,466 43,3 34,5 32,9 47,5 52,5 49,5 28, ,463 42,7 34,6 32,3 48,0 52,0 49,0 28, ,460 44,1 34,9 33,0 49,5 51,5 48,5 28, ,457 43,8 34,8 32,5 50,5 50,0 47,0 28, ,454 42,6 33,9 32,2 51,5 50,0 46,5 28, ,452 40,6 35,6 31,6 53,5 49,5 45,5 28, ,450 39,5 35,5 30,5 54,0 47,5 44,5 27, ,449 38,7 35,2 30,5 54,5 46,0 43,5 27, ,448 37,7 35,0 30,2 55,5 45,5 42,5 27, ,447 37,1 35,0 30,1 55,5 43,5 40,5 26, ,447 37,8 34,5 30,8 55,0 43,0 41,0 27,0 Sedangkan data hasil penelitian yang diperoleh dari perbandingan massa kakao dan absoren 1:2 dapat dilihat dari tabel berikut ini: (Menit) Tabel L1.2 Data Hasil Pengeringan Biji Kakao dengan Perbandingan Massa Massa Kakao (gr) Temperatur ( o C) Kakao : Absorben 1 : 2 RH Temperatur Udara ( o C) Kabinet Plat Acrylic Kayu Kolektor Kabinet Temperatur Lingkungan 0 1,000 43,1 44,5 32,7 45,0 40,1 48,2 40,0 10 0,998 44,4 43,3 33,5 44,5 40,5 48,0 40,0 20 0,995 43,6 41,2 33,9 43,0 42,0 47,2 40,0 30 0,991 45,5 45,7 34,5 40,0 40,5 47,8 40,0 40 0,986 43,6 43,4 35,9 39,0 40,0 46,7 40,0 50 0,98 49,8 43,6 35,4 38,0 40,5 45,5 40,0 60 0,973 42,3 44,8 33,2 37,0 40,5 45,5 37,0 70 0,965 39,0 38,5 35,4 39,0 41,5 47,0 37,0 80 0,956 49,5 46,5 40,5 45,0 40,5 48,0 37,0 90 0,945 50,3 42,8 38,5 44,5 41,0 49,0 40, ,933 39,0 40,5 38,8 44,5 40,4 49,5 38, ,92 42,4 41,5 33,5 43,0 41,5 48,0 38, ,906 45,9 44,7 37,5 44,5 40,0 46,5 38, ,89 43,4 46,5 37,5 44,5 49,0 42,0 39,0 ( o C)

7 ,881 47,0 44,3 41,1 53,5 47,5 43,0 36,0 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Temperatur Kakao Kabinet Lingkungan (Menit) Plat Acrylic Kayu Kolektor Kabinet (gr) ( o C) 150 0,876 45,4 40,4 38,2 57,5 48,5 46,0 36, ,872 40,1 41,8 38,2 56,5 47,0 43,5 36, ,863 41,1 40,2 35,5 53,0 46,5 43,0 36, ,855 45,4 36,5 35,7 56,5 45,5 41,5 33, ,846 40,4 46,5 41,5 58,5 45,0 37,0 41, ,838 40,8 41,0 42,0 59,0 44,5 35,5 40, ,829 40,4 39,9 35,4 50,0 44,5 36,5 36, ,821 41,4 40,0 36,7 50,5 40,0 34,5 31, ,812 42,6 38,2 32,8 51,0 40,5 34,5 33, ,804 43,3 31,4 28,3 52,0 40,0 34,5 30, ,795 41,5 31,9 30,4 50,5 39,0 37,0 31, ,787 46,5 32,0 29,5 51,0 41,5 39,5 31, ,778 45,4 32,4 29,6 56,5 42,0 39,0 31, ,772 37,5 32,6 30,1 54,0 40,0 39,0 31, ,764 36,6 30,1 29,9 57,0 41,5 40,0 31, ,757 48,5 36,8 32,6 55,5 41,5 40,0 31, ,751 47,2 39,8 34,4 53,5 42,0 40,0 30, ,745 43,4 38,5 34,5 52,0 41,5 40,0 30, ,739 41,9 36,5 34,2 51,5 42,5 40,5 29, ,734 40,5 36,0 35,4 58,0 41,5 39,5 29, ,728 39,5 34,0 34,6 60,0 41,5 39,0 29, ,722 38,4 33,5 33,1 61,0 40,0 39,0 29, ,716 39,8 33,6 34,6 63,5 39,5 37,0 28, ,711 37,0 32,6 32,0 64,5 38,5 34,0 28, ,707 32,6 30,1 31,3 66,0 38,0 32,5 27, ,704 34,1 30,5 32,6 65,5 35,5 32,0 27, ,701 37,5 30,0 32,7 64,5 35,0 31,0 27, ,699 36,5 30,2 30,0 64,5 35,0 30,5 26, ,698 35,5 30,0 31,5 72,0 33,5 31,5 25, ,697 35,5 30,0 32,0 65,0 33,0 33, ,696 35,0 31,0 31,5 59,0 32,0 32,5 27, ,695 34,5 30,5 31,5 53,0 31,5 32, ,694 34,5 31,5 30,0 47,0 32,0 31, ,693 34,0 30,0 30,5 41,0 31,5 30,0 26, ,691 44,5 28, ,689 46,0 29, ,686 48,5 29, ,682 46,5 30,0

8 ,677 45,5 30,0 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Kakao Kabinet (Menit) Plat Acrylic Kayu Kolektor Kabinet (gr) 540 0,671 50,5 28, ,664 55,5 28, ,659 60,0 28, ,654 62,0 28, ,649 63,5 28, ,644 63,5 28, ,639 63,5 28, ,634 63,5 28, ,629 63,5 28, ,624 64,0 26, ,619 64,0 26, ,616 64,0 26, ,613 64,0 26, ,610 65,5 26, ,607 66,0 26, ,604 67,0 26, ,601 67,6 26, ,598 69,0 26, ,595 69,0 26, ,592 69,0 25, ,589 69,0 25, ,586 70,0 25, ,583 70,0 25, ,580 70,0 25, ,577 70,5 25, ,574 70,5 25, ,571 71,5 25, ,568 71,5 25, ,565 71,5 25, ,562 71,5 25, ,559 71,5 25, ,556 72,0 25, ,553 72,0 24, ,550 72,0 23, ,547 72,5 23, ,544 72,5 23, ,541 72,5 23, ,538 72,5 23,0 Temperatur Lingkungan ( o C)

9 ,535 73,0 23,0 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Kakao Kabinet (Menit) Plat Acrylic Kayu Kolektor Kabinet (gr) 930 0,532 73,0 23, ,529 73,0 23, ,527 73,5 23, ,526 73,5 23, ,524 73,5 23, ,523 73,5 23, ,521 73,5 23, ,520 73,5 23, ,518 73,5 23, ,517 73,5 23, ,515 74,0 22, ,514 74,0 22, ,512 74,0 22, ,511 74,0 22, ,509 74,0 22, ,508 74,0 22, ,506 74,0 22, ,505 74,0 22, ,503 74,0 22, ,502 74,0 22, ,500 74,5 22, ,499 75,0 22, ,497 75,0 22, ,496 75,0 22, ,494 75,0 21, ,493 75,0 21, ,491 77,5 21, ,490 77,5 21, ,488 77,5 21, ,487 77,5 21, ,485 77,5 21, ,483 77,5 21, ,482 77,5 21, ,480 77,5 20, ,478 77,5 20, ,477 77,5 20, ,476 77,5 20, ,475 77,5 20,0 Temperatur Lingkungan ( o C)

10 ,474 77,5 20,0 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Kakao Kabinet (Menit) Plat Acrylic Kayu Kolektor Kabinet (gr) Temperatur Lingkungan ,473 75,5 20, ,472 74,0 26, ,471 73,5 26, ,470 72,0 26, ,469 71,0 26, ,469 70,5 26, ,467 33,5 36,1 30,4 47,0 32,0 27, ,464 33,5 36,7 29,5 47, , ,460 41,0 37,6 29,6 47,0 32,5 30, ,456 41,0 37,7 30,1 46,5 34,0 31, ,452 42,0 38,7 29,9 46,5 37,0 32, ,448 43,5 39,3 32,6 46,5 39,0 33, ,444 39,5 39,4 34,4 47,0 39,0 33, ,440 41,0 39,6 34,5 45,0 39,5 33, ,437 43,0 36,7 34,2 44,5 45,4 33, ,435 44,5 36,0 35,4 43,5 43,5 33,5 41, ,434 45,0 37,2 34,6 55,5 46,0 41,0 40, ,434 46,0 37,6 33,1 55,0 46,5 41,0 38, ,434 46,5 37,7 34,6 50,5 50,0 42,0 38,0 ( o C) Dan untuk data hasil penelitian yang diperoleh dari perbandingan massa kakao dan absoren 1:3 dapat dilihat dari tabel berikut ini: (Menit) Tabel L1.3 Data Hasil Pengeringan Biji Kakao dengan Perbandingan Massa Massa Kakao (gr) Temperatur ( o C) Kakao : Absorben 1 : 3 RH Temperatur Udara ( o C) Kabinet Plat Acrylic Kayu Kolektor Kabinet Temperatur Lingkungan ,9 32,0 33,4 45,0 50,1 48,2 36, ,6 33,8 35,4 44,5 50,5 48,0 36,0 20 0,996 48,9 34,2 33,8 43,0 52,0 47,2 36,0 30 0,992 50,1 34,7 32,4 40,0 50,5 47,8 36,0 40 0,988 50,1 35,8 36,9 39,0 50,0 46,7 36,0 50 0,984 50,8 37,7 38,5 38,0 50,5 45,5 36,0 60 0,98 50,9 38,8 39,7 37,0 50,5 45,5 37,0 ( o C)

11 ,976 50,9 39,5 39,9 39,0 51,5 47,0 37,0 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Temperatur Kakao Kabinet Lingkungan (Menit) Plat Acrylic Kayu Kolektor Kabinet (gr) ( o C) 80 0,97 51,1 39,8 37,4 45,0 50,5 48,0 37,0 90 0,964 51,1 40,7 36,4 44,5 51,0 49,0 37, ,958 51,3 41,2 36,7 44,5 50,5 49,5 38, ,952 51,4 41,3 36,8 43,0 51,5 48,0 38, ,946 51,7 42,6 37,0 44,5 50,0 46,5 38, ,94 53,0 43,6 37,2 44,5 49,0 42,0 38, ,934 55,0 44,1 37,8 53,5 47,5 43,0 38, ,928 55,6 44,5 38,2 57,5 48,5 46,0 38, ,922 59,6 45,4 38,3 56,5 47,0 43,5 38, ,906 59,6 45,4 32,8 53,0 46,5 43,0 38, ,89 59,6 46,4 34,5 56,5 45,5 41,5 38, ,874 48,6 47,3 33,6 58,5 45,0 37,0 36, ,858 48,3 38,1 35,4 59,0 44,5 35,5 36, ,842 46,7 37,6 31,0 50,0 44,5 36,5 36, ,826 45,1 37,6 31,4 50,5 40,0 34,5 36, ,81 44,3 37,5 30,4 51,0 40,5 34,5 35, ,794 43,1 36,0 31,0 52,0 40,0 34,5 35, ,778 42,5 35,7 31,3 50,5 39,0 37,0 34, ,773 42,2 34,8 30,8 51,0 41,5 39,5 34, ,768 42,0 34,7 30,2 56,5 42,0 39,0 34, ,764 41,8 34,2 30,2 54,0 40,0 39,0 33, ,76 41,5 33,9 29,7 57,0 41,5 40,0 33, ,756 41,2 33,8 23,4 55,5 41,5 40,0 33, ,756 40,8 33,6 23,8 53,5 42,0 40,0 33, ,753 40,8 33,6 23,5 52,0 41,5 40,0 33, ,75 40,6 33,5 23,4 51,5 42,5 40,5 33, ,747 40,6 33,0 23,0 58,0 41,5 39,5 33, ,744 40,5 32,7 24,4 60,0 41,5 39,0 32, ,741 40,3 32,7 24,4 71,0 40,0 39,0 32, ,738 38,8 32,6 28,5 73,5 39,5 37,0 30, ,735 36,0 32,1 28,4 74,5 38,5 34,0 30, ,732 33,1 31,7 28,5 76,0 38,0 32,5 29, ,731 35,1 31,6 27,6 75,5 35,5 32,0 29, ,73 35,3 30,8 27,7 74,5 35,0 31,0 29, ,729 33,9 30,7 25,5 74,5 35,0 30,5 28, ,729 75,0 31, ,727 65,5 39, ,725 56,0 38,5

12 ,723 57,5 36,0 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Kakao Kabinet (Menit) Plat Acrylic Kayu Kolektor Kabinet (gr) 470 0,721 58,0 30, ,719 59,5 28, ,717 60,0 28, ,714 62,0 28, ,711 62,0 28, ,708 63,5 28, ,705 63,5 28, ,701 63,5 28, ,697 63,5 28, ,693 63,5 28, ,689 64,0 26, ,685 64,0 26, ,681 64,0 26, ,676 64,0 26, ,671 65,5 26, ,666 66,0 26, ,661 67,0 26, ,656 67,6 26, ,651 69,0 26, ,646 69,0 26, ,641 69,0 25, ,636 69,0 25, ,631 70,0 25, ,626 70,0 25, ,621 70,0 25, ,616 70,5 25, ,611 70,5 25, ,607 71,5 25, ,603 71,5 25, ,599 71,5 25, ,595 71,5 25, ,591 71,5 25, ,587 72,0 25, ,583 72,0 24, ,579 72,0 23, ,576 72,5 23, ,573 72,5 23, ,570 72,5 23,0 Temperatur Lingkungan ( o C)

13 ,567 72,5 23,0 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Kakao Kabinet (Menit) Plat Acrylic Kayu Kolektor Kabinet (gr) 860 0,564 73,0 23, ,561 73,0 23, ,558 73,0 23, ,555 73,5 23, ,552 73,5 23, ,549 73,5 23, ,546 73,5 23, ,543 73,5 23, ,540 73,5 23, ,537 73,5 23, ,534 73,5 23, ,531 74,0 22, ,528 74,0 22, ,525 74,0 22, ,522 74,0 22, ,519 74,0 22, ,516 74,0 22, ,513 74,0 22, ,510 74,0 22, ,507 74,0 22, ,504 74,0 22, ,502 74,5 22, ,500 75,0 22, ,498 75,0 22, ,496 75,0 22, ,494 75,0 21, ,492 75,0 21, ,490 84,5 21, ,488 84,5 21, ,486 84,0 21, ,484 84,0 21, ,482 84,0 21, ,480 84,0 21, ,478 84,0 21, ,476 84,0 20, ,474 84,0 20, ,472 84,0 20, ,470 84,0 20,0 Temperatur Lingkungan ( o C)

14 ,468 84,0 20,0 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Kakao Kabinet (Menit) Plat Acrylic Kayu Kolektor Kabinet (gr) Temperatur Lingkungan ,466 84,0 20, ,465 75,5 20, ,464 74,0 26, ,463 73,5 26, ,462 72,0 26, ,461 71,0 26, ,460 70,5 26, ,459 66,5 27, ,458 63,0 28, ,457 58,0 30, ,456 57,5 31, ,455 47,5 32, ,454 46,5 33, ,453 47,0 33, ,452 45,0 33, ,451 44,5 33, ,450 43,5 33, ,449 58,5 41, ,448 55,0 41, ,447 50,5 42, ,446 43,5 43, ,445 50,5 44,5 32,8 46,5 44,0 42,5 39, ,443 61,4 47,6 38,7 43,5 45,5 44,0 40, ,439 53,4 47,7 36,7 43,0 46,5 43,5 40, ,432 56,5 40,6 32,1 45,5 46,5 44,5 40, ,425 59,5 41,6 37,4 42,5 48,5 46,0 38, ,418 53,4 43,3 36,3 41,0 48,0 45,5 40, ,409 52,1 46,5 36,4 40,5 48,0 45,5 37, ,400 63,4 44,5 40,6 38,5 50,5 48,5 38, ,391 61,2 42,8 38,1 39,0 50,5 47,5 40, ,382 70,5 50,5 40,3 40,0 50,5 47,5 40, ,375 67,6 43,4 39,4 41,5 50,0 46,5 41, ,370 54,5 42,3 40,1 42,5 49,5 46,0 38, ,366 58,6 44,6 41,1 40,5 49,5 47,5 36, ,362 58,6 42,7 41,8 39,5 49,0 48,5 36, ,359 47,5 43,3 40,0 37,5 49,5 48,5 36, ,356 40,1 38,6 36,5 40,5 50,0 49,5 35, ,354 37,8 34,1 36,6 42,5 51,5 50,5 35,0 ( o C)

15 ,352 37,7 32,5 33,2 41,5 50,0 48,5 32,0 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Temperatur Kakao Kabinet Lingkungan (Menit) Plat Acrylic Kayu Kolektor Kabinet (gr) ( o C) ,350 39,6 32,8 32,8 42,0 49,5 46,5 32, ,349 39,9 34,6 32,7 40,5 49,5 47,5 32, ,348 38,8 33,8 32,9 41,5 47,5 45,5 32, ,348 37,3 33,5 31,2 42,5 48,0 46,0 31, ,348 38,5 33,9 30,3 41,5 48,5 46,0 30,0 L1.2 Data Hasil Pengeringan Percobaan II Adapun data hasil penelitian yang diperoleh dari perbandingan massa kakao dan absoren 1:1 dapat dilihat dari tabel berikut ini: Tabel L1.4 Data Hasil Pengeringan Biji Kakao dengan Perbandingan Massa Kakao : (Menit) Massa Kakao (gr) Temperatur ( o C) Absorben 1 : 1 RH Temperatur Udara ( o C) Kabinet Plat Acrylic Kayu Kolektor Kabinet Temperatur Lingkungan 0 1,000 52,5 50,0 32,8 35,5 53,2 50,0 38,0 10 0,996 51,5 44,8 31,4 35,0 54,1 48,5 38,0 20 0,991 52,5 46,9 38,5 33,5 53,8 44,5 38,0 30 0,985 50,5 47,3 42,3 34,0 55,5 47,5 38,0 40 0,976 50,5 40,1 35,5 34,0 52,9 49,0 38,0 50 0,970 56,5 42,5 36,7 31,5 50,0 53,0 37,0 60 0,962 54,5 40,0 33,5 35,5 40,8 48,5 37,0 70 0,955 50,5 37,6 37,2 34,5 38,9 48,0 36,0 80 0,947 50,0 44,8 44,3 34,5 50,5 48,5 38,0 90 0,938 50,0 43,3 36,0 34,5 50,4 47,5 38, ,930 50,5 39,9 36,4 35,0 40,4 48,5 37, ,919 57,0 40,2 33,9 28,5 52,1 54,5 38, ,906 59,5 45,4 36,6 28,5 55,9 55,5 38, ,891 69,5 48,1 37,3 18,5 54,7 67,5 38, ,877 69,5 45,7 41,0 18,5 56,8 66,0 38, ,865 68,5 40,8 38,2 19,0 57,2 65,5 38, ,855 70,5 43,2 37,4 20,5 50,0 69,5 38, ,849 60,5 40,4 34,2 33,5 41,6 54,0 37, ,842 59,5 36,1 36,1 33,5 39,6 50,0 37,0 ( o C)

16 ,833 52,5 45,6 42,3 37,0 60,3 48,0 40,0 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Temperatur Kakao Kabinet Lingkungan (Menit) Plat Acrylic Kayu Kolektor Kabiner (gr) ( o C) 200 0,825 53,5 45,7 36,1 38,0 50,5 48,0 39, ,816 50,5 38,5 35,9 39,5 39,8 44,0 37, ,808 51,0 39,9 36,2 41,5 50,2 45,5 39, ,801 51,5 37,5 32,0 43,5 47,8 45,5 38, ,793 48,5 30,1 28,9 44,5 33,4 43,0 32, ,784 48,0 31,2 30,0 47,0 41,6 42,0 36, ,776 48,5 32,4 30,0 46,0 34,7 42,5 32, ,771 50,5 32,7 30,1 40,0 33,2 45,5 31, ,766 50,0 32,7 30,2 42,5 37,6 45,0 35, ,761 50,5 30,9 28,8 43,5 36,6 45,0 35, ,756 49,5 36,8 34,4 44,5 47,9 43,5 39, ,751 47,5 39,0 33,2 46,0 46,9 41,5 37, ,746 48,0 38,1 34,5 47,5 41,3 42,0 33, ,741 47,0 36,2 33,5 48,5 43,7 41,5 33, ,736 47,0 36,0 33,0 49,0 38,8 41,0 33, ,731 46,5 35,4 34,5 48,5 39,0 41,0 33, ,726 46,0 34,2 32,2 47,0 36,5 41,5 31, ,721 47,5 34,2 34,2 46,5 39,0 42,0 31, ,716 47,0 32,0 30,9 47,0 37,5 42,5 31, ,711 47,5 31,3 30,0 48,0 34,5 42,0 31, ,706 47,5 30,0 32,0 48,0 36,2 42,0 31, ,701 46,5 31,1 31,1 49,5 34,7 41,5 30, ,696 45,0 31,0 31,5 49,5 34,1 41,5 30, ,691 45,5 33,4 33,4 50,5 40,1 41,5 30, ,686 45,0 32,8 32,8 51,5 41,2 41,0 30, ,681 43,5 32,6 33,1 52,5 40,5 40,0 29, ,676 42,5 37,1 35,6 53,5 43,8 40,0 29, ,672 40,5 36,3 34,7 54,5 42,6 39,5 29, ,669 40,0 35,7 34,8 55,5 40,9 38,5 29, ,666 40,0 34,3 32,4 55,5 41,2 38,0 29, ,664 40,5 36,7 33,6 56,5 40,5 37,5 29, ,662 40,5 37,5 31,5 56,0 41,3 36,5 29, ,661 39,5 37,0 32,7 57,5 40,8 36,0 29, ,660 39,5 37,5 32,7 57,5 40,6 35,5 29, ,659 39,0 37,2 30,6 57,0 40,1 34,0 29, ,657 46,5 34, ,655 56,5 33, ,653 50,0 32,5

17 ,652 54,0 32,0 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Kakao Kabinet (Menit) Plat Acrylic Kayu Kolektor Kabinet (gr) 590 0,648 57,5 31, ,646 58,5 30, ,644 61,0 30, ,641 63,0 30, ,638 64,0 30, ,635 64,5 30, ,632 64,5 30, ,629 64,0 29, ,626 64,5 29, ,623 64,5 29, ,62 65,0 29, ,617 65,5 29, ,614 66,0 29, ,611 66,0 29, ,608 76,5 29, ,605 76,5 28, ,602 76,5 28, ,599 76,5 28, ,596 76,5 28, ,593 76,5 28, ,59 76,5 28, ,587 76,5 28, ,584 76,5 28, ,581 76,5 28, ,578 76,5 28, ,575 76,5 28, ,572 76,5 28, ,569 77,0 26, ,566 77,0 26, ,564 77,0 26, ,562 77,0 26, ,56 77,0 26, ,558 77,0 26, ,556 77,0 26, ,554 77,0 26, ,552 78,5 22, ,55 78,5 22, ,548 78,5 22,5 Temperatur Lingkungan ( o C)

18 ,546 78,5 22,5 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Kakao Kabinet (Menit) Plat Acrylic Kayu Kolektor Kabinet (gr) 980 0,544 78,5 22, ,542 78,5 22, ,54 78,5 22, ,538 78,5 22, ,536 79,0 21, ,534 79,0 21, ,532 79,0 21, ,53 79,0 21, ,528 79,0 21, ,526 79,0 21, ,524 79,0 21, ,522 79,0 21, ,52 79,0 21, ,518 77,5 21, ,516 77,5 21, ,514 77,5 21, ,512 77,5 21, ,51 77,5 21, ,508 77,5 21, ,506 77,5 21, ,504 77,5 21, ,502 77,5 21, ,5 77,5 21, ,498 77,5 21, ,496 77,5 21, ,494 76,5 22, ,492 76,5 22, ,49 76,5 22, ,488 76,5 22, ,486 76,5 22, ,484 76,5 22, ,482 76,5 22, ,481 76,5 22, ,48 76,5 22, ,479 76,5 22, ,478 76,5 22, ,477 76,5 22, ,476 76,5 22,0 Temperatur Lingkungan ( o C)

19 ,475 75,0 24,5 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Kakao Kabinet (Menit) Plat Acrylic Kayu Kolektor Kabinet (gr) Temperatur Lingkungan ,474 75,0 24, ,473 75,0 24, ,472 75,0 24, ,471 70,5 26, ,47 70,5 26, ,469 70,0 27, ,467 70,5 27, ,465 31,5 34,5 30,2 47,0 30,3 34, ,463 31,5 34,8 30,3 45,5 30,8 35, ,46 31,8 35,2 30,1 45,0 31,5 36, ,456 32,4 35,8 30,6 44,0 31,7 37, ,453 35,4 36,4 31,2 43, , ,451 36, ,0 32,1 40, ,449 37,7 36,2 31,5 41,5 32,6 40, ,448 38,4 36,7 31, ,8 40, ,447 39, ,6 47, , ,447 44,7 37,2 33,1 44, , ,447 45,3 37,2 34,1 43,0 45,1 43,0 36,0 ( o C) Sedangkan data hasil penelitian yang diperoleh dari perbandingan massa kakao dan absoren 1:2 dapat dilihat dari tabel berikut ini: (Menit) Tabel L1.5 Data Hasil Pengeringan Biji Kakao dengan Perbandingan Massa Massa Kakao (gr) Temperatur ( o C) Kakao : Absorben 1 : 2 RH Temperatur Udara ( o C) Kabinet Plat Acrylic Kayu Kolektor Kabinet Temperatur Lingkungan ,1 54,2 34,7 44,0 51,1 47,5 39, ,4 45,3 37,8 43,5 51,5 47,5 39,0 20 0,998 54,8 47,3 38,2 42,5 51,5 46,0 39,0 30 0,996 56,4 46,1 41,2 39,5 50,0 46,5 39,0 40 0,994 53,3 40,6 36,8 39,0 50,0 46,5 39,0 50 0,992 50,1 43,2 37,0 39,0 52,5 45,5 37,0 60 0,99 41,2 40,5 34,2 38,5 52,5 45,5 37,0 70 0,988 39,9 36,4 36,2 39,0 51,0 46,5 37,0 ( o C)

20 ,986 50,6 45,4 43,2 39,0 51,5 47,5 38,0 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Temperatur Kakao Kabinet Lingkungan (Menit) Plat Acrylic Kayu Kolektor Kabinet (gr) ( o C) 90 0,984 51,2 43,6 36,1 40,5 52,5 48,5 39, ,982 39,4 39,5 35,8 40,0 51,0 48,5 37, ,98 53,1 41,2 32,0 41,5 51,5 48,0 38, ,971 56,8 45,4 36,7 43,5 51,5 48,0 38, ,962 55,1 47,3 38,3 44,5 51,0 47,5 38, ,953 57,7 46,4 40,9 52,5 52,0 46,5 38, ,944 56,1 41,3 37,2 52,0 48,5 46,0 38, ,935 51,1 42,6 36,4 53,5 48,0 45,5 38, ,926 40,8 40,7 33,8 53,0 48,0 45,0 35, ,917 40,8 35,6 36,2 54,0 48,5 43,0 35, ,908 61,4 44,5 42,1 57,5 49,0 43,5 37, ,904 50,8 44,1 35,9 58,0 49,0 38,5 37, ,9 48,2 38,8 34,1 49,5 49,0 36,5 35, ,896 50,6 39,8 35,7 48,5 48,5 36,5 37, ,892 48,2 37,7 31,8 47,0 48,5 35,5 36, ,888 42,7 30,3 27,4 46,5 48,5 35,5 30, ,884 52,7 30,9 30,3 46,5 48,5 35,0 36, ,88 55,4 31,9 29,4 46,0 44,0 35,0 32, ,876 54,4 31,3 29,8 46,0 44,0 34,5 31, ,872 56,5 32,7 30,2 45,5 42,5 34,5 33, ,868 48,3 29,9 29,7 45,5 41,5 34,5 33, ,864 48,0 37,6 33,4 45,0 41,5 34,0 36, ,86 47,4 38,1 33,8 44,5 40,5 34,0 36, ,856 42,5 37,5 33,5 44,5 40,5 33,5 35, ,855 42,3 35,7 33,4 43,5 40,0 35,5 35, ,854 40,0 36,0 33,0 57,5 40,0 39,5 35, ,853 39,2 33,6 34,4 60,5 40,0 39,5 32, ,852 37,6 33,8 32,8 60,5 40,0 39,5 32, ,851 38,8 34,2 33,4 61,5 39,5 39,5 31, ,85 36,0 32,1 31,0 62,5 38,5 38,5 31, ,849 33,1 31,6 30,3 65,5 38,0 38,0 31, ,848 35,1 30,7 31,6 66,5 35,5 36,0 31, ,847 35,3 31,7 31,8 65,0 35,0 35,0 30, ,846 33,9 30,8 30,1 66,5 35,0 34,5 30, ,846 34,5 31,2 31,1 67,6 36,5 34,5 29, ,844 35,6 32,4 32,4 67,0 36,5 34,0 29, ,843 67,0 34, ,841 67,5 33,5

21 ,838 67,5 33,0 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Kakao Kabinet (Menit) Plat Acrylic Kayu Kolektor Kabinet (gr) 480 0,835 67,5 33, ,832 68,0 35, ,829 68,0 40, ,826 68,5 39, ,823 68,5 37, ,820 68,5 31, ,817 69,0 27, ,814 69,0 27, ,811 69,0 27, ,808 69,0 27, ,804 69,0 27, ,800 69,0 27, ,796 69,0 27, ,792 69,0 27, ,788 69,0 27, ,784 69,5 26, ,780 69,5 26, ,776 69,5 26, ,773 69,5 26, ,770 69,5 26, ,767 69,5 26, ,764 69,5 26, ,761 69,5 26, ,758 69,5 26, ,755 69,5 26, ,752 70,0 26, ,749 70,0 26, ,746 70,0 26, ,743 70,0 26, ,740 70,0 26, ,737 70,0 26, ,734 70,0 26, ,731 70,0 26, ,728 70,0 26, ,725 70,0 26, ,722 70,0 26, ,719 70,0 26, ,716 70,0 26,0 Temperatur Lingkungan ( o C)

22 ,713 70,0 25,0 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Kakao Kabinet (Menit) Plat Acrylic Kayu Kolektor Kabinet (gr) 870 0,710 71,5 24, ,707 71,5 24, ,704 71,5 24, ,702 71,5 24, ,701 71,5 24, ,699 71,5 24, ,698 71,5 24, ,696 71,5 24, ,695 73,5 23, ,693 70,5 23, ,692 70,5 23, ,690 70,5 23, ,689 70,5 23, ,687 70,5 23, ,686 70,5 23, ,684 70,5 23, ,683 73,0 21, ,681 73,0 21, ,680 73,0 21, ,678 73,0 21, ,677 73,0 21, ,675 73,0 21, ,674 73,0 21, ,672 73,0 21, ,671 73,0 21, ,669 73,0 21, ,668 73,0 21, ,666 73,0 21, ,665 73,0 21, ,663 73,0 21, ,662 73,0 21, ,660 73,0 21, ,658 73,0 21, ,657 77,5 21, ,655 77,5 21, ,653 77,5 21, ,652 77,5 21, ,651 77,5 21,0 Temperatur Lingkungan ( o C)

23 ,650 77,5 21,0 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Kakao Kabinet (Menit) Plat Acrylic Kayu Kolektor Kabinet (gr) Temperatur Lingkungan ,649 79,0 20, ,648 79,0 20, ,647 79,0 20, ,646 79,0 20, ,645 79,0 20, ,644 79,0 20, ,643 79,0 20, ,642 80,0 25, ,641 80,0 26, ,640 78,0 26, ,639 72,5 26, ,638 71,5 27, ,637 68,0 28, ,636 65,5 29, ,635 57,5 31, ,634 55,5 32, ,633 48,0 33, ,632 47,5 34, ,631 47,0 34, ,629 52,7 46,8 36,5 45,5 41,5 35,0 31, ,622 52,4 46,4 35,7 45,0 41,0 36,0 30, ,611 63,1 48,9 39,3 44,0 45,5 37,0 30, ,596 57,3 46,4 37,3 43,0 43,5 38,5 30, ,579 47,1 40,1 31,8 42,0 42,0 40,0 31, ,567 59,0 42,4 36,4 41,5 42,5 41,5 31, ,554 44,1 42,8 35,3 41,0 44,5 42,0 31, ,541 55,6 45,4 37,1 42,0 40,5 43,5 32, ,528 62,6 46,5 41,7 39,5 40,5 44,0 32, ,515 60,8 43,4 37,7 38,0 50,5 48,5 31, ,502 73,0 49,9 43,3 37,5 50,0 44,5 31, ,489 46,0 42,4 38,5 38,0 50,0 47,5 31, ,478 46,4 41,9 39,8 35,5 51,5 49,0 31, ,470 49,4 43,4 40,4 34,5 52,5 53,0 30, ,465 49,0 43,2 40,8 33,5 50,5 48,5 30, ,460 48,9 43,1 39,9 33,0 49,5 48,0 30, ,455 39,7 37,6 35,6 37,0 48,5 47,0 31, ,451 50,5 33,9 33,7 42,0 48,5 45,5 30, ,447 50,0 33,0 32,7 44,0 47,5 48,5 31,0 ( o C)

24 ,444 50,0 32,3 31,0 41,0 47,0 48,0 30,0 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Temperatur Kakao Kabinet Lingkungan (Menit) Plat Acrylic Kayu Kolektor Kabinet (gr) ( o C) ,441 51,5 33,6 32,6 40,5 46,0 47,5 30, ,439 52,5 34,2 33,1 39,0 45,5 46,5 31, ,437 50,5 31,1 30,2 38,5 46,0 47,5 30, ,435 51,0 30,3 31,0 38,0 45,5 48,0 32, ,434 50,0 31,0 32,2 38,5 44,5 48,5 32,0 Dan untuk data hasil penelitian yang diperoleh dari perbandingan massa kakao dan absoren 1:3 dapat dilihat dari tabel berikut ini: (Menit) Tabel L1.6 Data Hasil Pengeringan Biji Kakao dengan Perbandingan Massa Massa Kakao (gr) Temperatur ( o C) Kakao : Absorben 1 : 3 RH Temperatur Udara ( o C) Kabinet Plat Acrylic Kayu Kolektor Kabinet Temperatur Lingkungan 0 1,000 61,4 49,3 31,3 69,5 41,5 39,0 41,0 10 0,998 55,0 47,4 30,0 62,0 43,5 42,5 40,0 20 0,994 53,0 46,1 30,2 55,5 46,5 44,5 40,0 30 0,988 59,6 43,1 39,6 48,5 49,5 47,0 40,0 40 0,981 59,6 43,4 39,7 44,5 50,5 47,5 40,0 50 0,973 51,1 49,9 43,9 43,0 51,0 47,5 40,0 60 0,964 51,4 44,5 31,1 45,5 48,0 46,0 40,0 70 0,953 50,9 45,0 31,1 57,0 49,0 45,5 40,0 80 0,941 50,1 43,5 30,9 57,0 49,5 45,5 40,0 90 0,927 59,6 43,5 30,3 56,5 49,5 45,5 40, ,915 50,9 44,0 30,7 55,0 50,5 46,0 39, ,905 51,1 44,1 30,6 55,5 50,0 46,0 39, ,892 50,8 43,8 30,4 54,5 51,0 46,5 39, ,880 50,1 43,9 39,7 54,0 52,5 47,0 38, ,868 47,9 41,9 38,4 51,5 53,0 47,5 38, ,856 51,7 44,7 30,7 52,0 52,0 47,5 39, ,844 51,3 44,5 30,6 52,0 53,5 47,5 33, ,832 48,9 42,7 39,4 52,0 53,5 47,5 33, ,820 48,6 42,8 38,8 53,0 52,5 47,0 33, ,808 55,6 46,1 41,6 54,0 52,0 47,0 33, ,800 60,4 42,8 41,4 52,5 52,5 47,5 37,0 ( o C)

25 ,793 45,1 42,4 41,6 52,0 53,0 47,5 35,0 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Temperatur Kakao Kabinet Lingkungan (Menit) Plat Acrylic Kayu Kolektor Kabinet (gr) ( o C) 220 0,787 40,6 46,8 41,4 53,0 51,5 46,0 32, ,781 43,1 37,2 43,1 55,0 51,0 46,0 31, ,775 48,3 33,9 41,1 53,5 53,5 48,0 31, ,769 40,5 35,6 43,4 46,0 46,5 41,0 31, ,763 40,8 36,2 32,8 44,5 47,5 41,5 30, ,757 48,6 37,5 34,5 46,5 40,5 49,5 30, ,751 46,7 34,4 33,6 48,5 32,5 48,5 30, ,745 44,3 33,3 35,4 49,5 32,0 47,0 30, ,739 42,5 31,2 31,0 56,0 31,0 45,0 28, ,733 42,2 31,0 31,4 57,5 34,4 44,5 28, ,727 42,0 31,0 30,4 57,0 37,5 45,5 28, ,721 41,8 31,5 31,0 57,5 36,5 43,5 27, ,715 41,5 32,0 31,3 58,5 35,5 44,0 27, ,709 41,2 31,3 30,8 58,5 35,5 41,5 27, ,703 40,8 30,9 30,2 59,0 35,0 41,0 27, ,698 40,6 30,1 29,4 58,0 30,5 40,0 26, ,694 40,3 31,3 29,1 58,0 31,0 40,0 26, ,690 40,0 30,9 28,5 59,5 31,0 40,5 26, ,686 40,0 30,8 28,6 60,5 30,5 39,5 26, ,682 41,4 30,3 27,4 60,5 30,0 39,5 26, ,679 40,1 30,0 27,7 61,0 30,5 39,0 26, ,677 40,0 30,0 28,8 61,0 30,5 39,0 26, ,676 40,0 31,1 29,8 61,5 30,0 39,5 26, ,676 39,8 30,1 28,8 61,0 30,0 38,5 26, ,674 60,0 30, ,673 58,0 28, ,669 56,5 28, ,665 55,5 27, ,661 54,5 27, ,657 53,5 27, ,653 52,5 27, ,649 55,5 27, ,645 54,4 27, ,640 56,7 27, ,635 49,5 26, ,630 49,0 26, ,625 47,5 26, ,620 48,0 26,5

26 ,615 46,5 26,5 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Kakao Kabinet (Menit) Plat Acrylic Kayu Kolektor Kabinet (gr) 610 0,610 47,5 26, ,605 48,5 26, ,600 45,5 26, ,595 43,5 26, ,590 42,5 26, ,585 44,5 26, ,581 45,5 26, ,577 43,0 26, ,573 45,5 26, ,569 44,5 26, ,565 46,5 25, ,561 46,0 25, ,557 47,5 25, ,553 48,5 25, ,549 49,5 25, ,546 51,5 24, ,543 52,5 24, ,540 55,5 24, ,537 56,5 24, ,534 57,0 24, ,531 58,5 24, ,528 59,5 23, ,525 60,5 23, ,522 62,5 23, ,519 63,5 23, ,516 62,5 23, ,513 61,5 23, ,510 61,5 23, ,507 61,5 23, ,505 61,5 23, ,503 61,5 23, ,501 61,5 23, ,499 61,5 23, ,497 61,5 22, ,495 61,5 22, ,493 60,5 22, ,491 60,5 22, ,489 60,5 22,5 Temperatur Lingkungan ( o C)

27 ,487 60,5 22,5 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Kakao Kabinet (Menit) Plat Acrylic Kayu Kolektor Kabinet (gr) Temperatur Lingkungan ,485 60,5 22, ,483 64,5 21, ,481 64,5 21, ,479 64,5 21, ,477 64,5 21, ,475 64,5 21, ,473 64,5 21, ,471 64,5 21, ,469 64,5 21, ,467 64,5 21, ,465 64,5 21, ,463 64,5 21, ,461 65,5 21, ,459 65,5 21, ,457 65,5 21, ,455 65,5 21, ,453 65,5 21, ,451 65,5 20, ,449 65,5 20, ,448 65,5 20, ,447 65,5 20, ,446 68,5 20, ,445 68,5 20, ,444 68,5 20, ,443 68,5 26, ,442 70,5 27, ,441 70,5 28, ,440 70,5 29, ,439 70,5 29, ,438 70,5 29, ,437 67,5 29, ,436 66,5 32, ,435 64,5 32, ,434 60,0 34, ,433 56,5 34, ,431 35,5 31,0 30,2 56,5 31,0 27,5 31, ,425 32,3 31,0 31,2 56,0 31,5 29,0 31, ,415 34,2 31,2 31,4 56,5 33,5 29,5 32,0 ( o C)

28 ,403 33,4 31,5 31,8 55,0 31,0 30,5 33,0 Massa Temperatur ( o C) RH Temperatur Udara ( o C) Temperatur Kakao Kabinet Lingkungan (Menit) Plat Acrylic Kayu Kolektor Kabinet (gr) ( o C) ,391 33,6 32,0 32,0 56,5 31,5 31,5 33, ,380 34,0 33,3 32,0 50,5 30,0 32,0 33, ,364 34,5 33,9 32,3 49,5 32,5 32,5 33, ,352 35,1 34,4 32,4 46,5 31,0 33,0 35, ,350 35,0 35,6 33,8 45,5 31,5 33,0 37, ,349 37,8 34,4 32,1 44,5 32,0 34,5 36, ,348 39,5 35,6 32,6 44,0 31,5 35,5 37, ,348 39,2 35,3 32,8 42,5 33,0 35,0 35, ,348 38,8 34,3 33,0 43,0 32,5 34,0 36,0 L1.3 Data Relative Humidity (RH),Suhu Lingkungan, dan Intensitas Radiasi Matahari Percobaan I Adapun data lingkungan sekitar yang direkam menggunakan alat HOBO data logger dapat dilihat dari tabel berikut ini: Tabel L1.7 Data Relative Humidity (RH), Suhu Lingkungan, dan Intensitas Radiasi Matahari Percobaan 1 dengan Perbandingan Massa Kakao : Absorben 1 : 1 Intensitas Intensitas Suhu RH Radiasi Suhu RH Radiasi ( C) Matahari ( C) Matahari (Watt/m 2 ) (Watt/m 2 ) 11/12/ :48 30,14 82,42 501,53 11/13/ :48 30,75 79,68 335,74 11/12/ :58 30,81 81,00 526,89 11/13/ :58 30,47 80,72 272,55 11/12/ :08 31,17 79,76 553,14 11/13/ :08 30,42 80,58 297,78 11/12/ :18 31,42 78,14 565,51 11/13/ :18 30,27 81,04 140,98 11/12/ :28 32,17 75,58 470,85 11/13/ :28 30,00 80,50 163,45 11/12/ :38 32,71 73,21 644,37 11/13/ :38 29,84 81,02 151,87 11/12/ :48 34,09 68,92 689,95 11/13/ :48 29,90 80,96 154,50 11/12/ :58 34,53 66,52 752,67 11/13/ :58 29,94 81,19 128,92

29 81 Intensitas Intensitas Suhu RH Radiasi Suhu RH Radiasi ( C) Matahari ( C) Matahari (Watt/m 2 ) (Watt/m 2 ) 11/12/ :08 33,97 66,10 619,60 11/13/ :08 29,84 81,05 132,34 11/12/ :18 31,43 72,19 201,31 11/13/ :18 30,06 81,06 195,51 11/12/ :28 32,36 71,65 678,47 11/13/ :28 30,36 80,06 269,82 11/12/ :38 33,31 68,58 684,72 11/13/ :38 30,05 80,48 134,95 11/12/ :48 33,27 67,58 427,11 11/13/ :48 29,62 81,10 58,80 11/12/ :58 33,36 67,17 338,94 11/13/ :58 27,41 86,55 30,85 11/12/ :08 32,47 67,76 304,95 11/13/ :08 25,49 94,47 29,04 11/12/ :18 32,28 68,38 247,55 11/13/ :18 23,79 98,13 48,93 11/12/ :28 32,08 68,57 217,56 11/13/ :28 23,75 99,02 74,15 11/12/ :38 32,73 68,24 329,61 11/13/ :38 24,00 99,29 82,68 11/12/ :48 33,28 66,61 337,00 11/13/ :48 24,30 99,29 73,35 11/12/ :58 33,43 65,80 494,38 11/13/ :58 24,39 98,73 71,53 11/12/ :08 33,21 66,15 354,25 11/13/ :08 24,82 97,58 63,24 11/12/ :18 33,84 65,08 494,15 11/13/ :18 25,09 97,16 75,74 11/12/ :28 34,19 63,30 625,48 11/13/ :28 25,42 96,79 83,44 11/12/ :38 33,10 68,78 640,62 11/13/ :38 25,87 95,31 100,17 11/12/ :48 33,28 68,39 518,81 11/13/ :48 26,26 93,30 127,00 11/12/ :58 31,91 69,82 211,88 11/13/ :58 26,64 92,66 108,80 11/12/ :08 31,70 70,17 148,35 11/13/ :08 27,18 91,88 131,87 11/12/ :18 31,25 71,38 105,06 11/13/ :18 28,11 90,16 279,05 11/12/ :28 30,60 75,65 79,83 11/13/ :28 29,50 86,50 455,05

30 82 Intensitas Intensitas Suhu RH Radiasi Suhu RH Radiasi ( C) Matahari ( C) Matahari (Watt/m 2 ) (Watt/m 2 ) 11/12/ :38 30,74 74,22 223,82 11/13/ :38 29,73 83,18 381,43 11/12/ :48 30,35 75,39 129,59 11/13/ :48 31,38 78,85 542,89 11/12/ :58 30,47 76,06 150,05 11/13/ :58 32,36 74,92 487,79 11/12/ :08 30,49 76,68 222,91 11/13/ :08 31,43 76,79 351,76 11/12/ :18 29,97 78,60 219,49 11/13/ :18 30,67 77,52 154,60 11/12/ :28 29,11 81,56 439,84 11/13/ :28 30,07 78,12 127,00 11/12/ :38 28,10 83,78 255,28 11/13/ :38 30,05 78,39 104,95 11/12/ :48 27,63 84,43 204,46 11/13/ :48 29,92 78,96 104,05 11/12/ :58 27,38 84,96 161,08 11/13/ :58 30,13 78,65 113,81 11/12/ :08 27,30 85,73 189,72 11/13/ :08 30,02 78,58 101,19 11/12/ :18 27,25 85,56 182,96 11/13/ :18 29,96 80,13 82,45 11/13/ :28 29,62 82,52 65,29 11/13/ :38 29,26 82,98 45,40 11/13/ :48 29,18 83,70 39,40 Sedangkan data lingkungan sekitar yang direkam menggunakan alat HOBO data logger dapat dilihat dari tabel berikut ini: Tabel L1.8 Data Relative Humidity (RH), Suhu Lingkungan, dan Intensitas Radiasi Matahari Percobaan 1 dengan Perbandingan Massa Kakao : Absorben 1 : 2 Intensitas Intensitas Suhu RH Radiasi Suhu RH Radiasi ( C) Matahari ( C) Matahari (Watt/m 2 ) (Watt/m 2 ) 11/25/ :31 29,10 84,65 325,97 11/28/ :28 32,59 71,27 630,85 11/25/ :41 29,66 80,74 352,22 11/28/ :38 32,87 68,98 628,80

31 83 Intensitas Intensitas Suhu RH Radiasi Suhu RH Radiasi ( C) Matahari ( C) Matahari (Watt/m 2 ) (Watt/m 2 ) 11/25/ :51 30,20 78,10 381,43 11/28/ :48 33,59 68,34 549,37 11/25/ :01 29,95 78,05 405,75 11/28/ :58 32,63 68,43 532,89 11/25/ :11 30,85 76,67 434,50 11/28/ :08 32,45 68,98 568,13 11/25/ :21 30,85 74,85 461,30 11/28/ :18 32,47 67,70 369,62 11/25/ :31 31,05 73,92 487,44 11/28/ :28 32,46 68,22 349,16 11/25/ :41 31,63 71,80 512,67 11/28/ :38 31,95 69,74 397,55 11/25/ :51 31,31 71,44 521,88 11/28/ :48 33,35 67,27 688,14 11/25/ :01 31,39 70,33 509,84 11/28/ :58 32,93 66,10 200,63 11/25/ :11 32,48 69,07 579,04 11/28/ :08 31,79 69,03 121,55 11/25/ :21 32,23 68,44 607,35 11/28/ :18 31,95 69,44 123,13 11/25/ :31 32,44 67,99 641,65 11/28/ :28 31,81 68,26 136,54 11/25/ :41 32,69 67,77 677,55 11/28/ :38 31,76 68,18 193,92 11/25/ :51 33,19 66,34 663,12 11/28/ :48 31,65 71,06 216,09 11/25/ :01 32,45 66,03 555,40 11/28/ :58 31,08 73,04 139,38 11/25/ :11 33,33 64,47 702,80 11/28/ :08 31,15 75,37 106,75 11/25/ :21 32,60 64,90 494,16 11/28/ :18 29,93 80,75 66,88 11/25/ :31 32,92 63,69 467,56 11/28/ :28 29,55 82,78 67,67 11/25/ :41 33,57 62,25 754,04 11/28/ :38 29,16 86,82 78,47 11/25/ :51 34,70 60,05 717,56 11/28/ :48 29,37 86,61 86,31 11/25/ :01 33,32 62,44 314,60 11/28/ :58 29,52 85,77 113,93 11/25/ :11 33,21 62,66 624,68 11/28/ :08 29,37 86,59 147,99 11/25/ :21 33,90 61,94 356,75 11/28/ :18 30,15 83,75 207,10 11/25/ :31 33,75 62,75 500,96 11/28/ :28 31,37 77,21 345,85

32 84 Intensitas Intensitas Suhu RH Radiasi Suhu RH Radiasi ( C) Matahari ( C) Matahari (Watt/m 2 ) (Watt/m 2 ) 11/25/ :41 33,93 61,69 575,17 11/28/ :38 31,57 74,39 392,00 11/25/ :51 34,48 60,04 651,20 11/28/ :48 32,63 72,32 539,37 11/25/ :01 33,62 61,68 398,59 11/28/ :58 32,29 71,29 284,04 11/25/ :11 32,42 64,98 160,97 11/28/ :08 31,48 72,59 231,21 11/25/ :21 32,48 65,03 212,12 11/28/ :18 31,34 73,76 190,05 11/25/ :31 33,27 64,95 447,45 11/28/ :28 31,36 74,28 220,63 11/25/ :41 33,94 65,34 676,30 11/28/ :38 31,75 71,94 318,36 11/25/ :51 33,36 66,21 472,91 11/28/ :48 31,55 74,17 204,48 11/25/ :01 33,63 65,48 527,78 11/28/ :58 31,21 75,35 162,11 11/25/ :11 33,46 66,19 508,45 11/28/ :08 30,65 75,91 101,99 11/25/ :21 32,53 68,77 161,19 11/28/ :18 30,37 78,89 114,71 11/25/ :31 32,31 70,30 152,66 11/28/ :28 30,34 79,54 189,53 11/25/ :41 32,24 70,60 212,00 11/25/ :51 32,26 69,54 186,65 11/25/ :01 32,87 68,15 432,45 11/25/ :11 33,47 67,74 391,07 11/25/ :21 32,84 68,14 368,80 11/25/ :31 32,04 72,94 178,00 11/25/ :41 30,95 77,33 103,58 11/25/ :51 30,59 78,89 82,10 11/25/ :01 30,30 80,43 72,78 11/25/ :11 30,45 80,09 132,78 11/25/ :21 30,60 79,13 109,38

33 85 Sedangkan data lingkungan sekitar yang direkam menggunakan alat HOBO data logger dapat dilihat dari tabel berikut ini: Tabel L1.9 Data Relative Humidity (RH), Suhu Lingkungan, dan Intensitas Radiasi Matahari Percobaan 1 dengan Perbandingan Massa Kakao : Absorben 1 : 3 Intensitas Intensitas Suhu RH Radiasi Suhu RH Radiasi ( C) Matahari ( C) Matahari (Watt/m 2 ) (Watt/m 2 ) 12/11/ :00 30,81 76,33 399,14 12/12/ :56 31,80 67,42 538,35 12/11/ :10 31,03 75,23 435,39 12/12/ :06 31,90 67,15 581,66 12/11/ :20 31,42 72,15 467,77 12/12/ :16 32,13 65,95 601,77 12/11/ :30 31,92 71,38 493,70 12/12/ :26 32,16 65,73 613,46 12/11/ :40 32,05 69,62 539,61 12/12/ :36 33,15 63,65 646,43 12/11/ :50 32,04 68,95 488,01 12/12/ :46 33,03 62,92 675,50 12/11/ :00 30,92 70,05 201,42 12/12/ :56 33,36 61,24 659,15 12/11/ :10 31,15 70,11 339,48 12/12/ :06 33,29 61,06 568,24 12/11/ :20 31,30 69,17 253,36 12/12/ :16 33,72 59,96 695,96 12/11/ :30 31,91 67,55 469,15 12/12/ :26 33,82 60,76 658,92 12/11/ :40 32,44 65,88 541,43 12/12/ :36 32,92 64,18 419,93 12/11/ :50 32,32 64,98 312,23 12/12/ :46 32,86 64,13 387,22 12/11/ :00 31,98 65,65 239,48 12/12/ :56 32,31 65,23 188,97 12/11/ :10 31,89 66,05 375,97 12/11/ :20 32,06 67,09 265,29 12/11/ :30 32,13 68,57 533,12 12/11/ :40 31,88 68,47 405,74 12/11/ :50 31,45 69,15 386,09

34 86 Intensitas Suhu RH Radiasi ( C) Matahari (Watt/m 2 ) 12/11/ :00 32,14 67,80 365,05 12/11/ :10 31,44 69,14 323,25 12/11/ :20 31,66 69,92 360,85 12/11/ :30 32,00 68,47 337,55 12/11/ :40 31,89 68,35 308,91 12/11/ :50 31,67 69,67 462,79 12/11/ :00 32,57 68,73 503,46 12/11/ :10 32,28 69,15 399,94 12/11/ :20 32,13 68,50 352,34 12/11/ :30 32,46 67,70 513,58 12/11/ :40 32,90 66,56 522,56 12/11/ :50 31,77 72,29 448,80 12/11/ :00 31,93 72,94 477,23 12/11/ :10 30,90 75,26 180,63 12/11/ :20 31,59 74,46 442,79 12/11/ :30 32,28 72,36 499,83 12/11/ :40 32,54 71,31 412,67 12/11/ :50 32,98 69,67 409,94 12/11/ :00 32,30 69,44 183,70 12/11/ :10 31,83 69,85 160,06 12/11/ :20 31,48 70,34 128,35 12/11/ :30 30,92 74,18 84,95 12/11/ :40 30,38 77,75 63,82

35 87 Suhu ( C) RH Intensitas Radiasi Matahari (Watt/m 2 ) 12/11/ :50 30,09 79,39 62,34 12/11/ :00 30,07 80,06 75,95 12/11/ :10 30,04 80,39 60,62 12/11/ :20 29,87 81,18 59,05 12/11/ :30 29,95 80,89 49,02 12/11/ :40 29,72 81,64 45,99 L1.4 Data Relative Humidity (RH) dan Suhu Lingkungan, dan Intensitas Radiasi Matahari Percobaan II Adapun data lingkungan sekitar yang direkam menggunakan alat HOBO data logger dapat dilihat dari tabel berikut ini: Tabel L1.10 Data Relative Humidity (RH), Suhu Lingkungan, dan Intensitas Radiasi Matahari Percobaan 2 dengan Perbandingan Massa Kakao : Absorben Intensitas Intensitas Suhu RH Radiasi Suhu RH Radiasi ( C) Matahari ( C) Matahari (Watt/m 2 ) (Watt/m 2 ) 11/25/ :31 29,10 84,65 325,97 11/26/ :30 29,26 87,20 310,96 11/25/ :41 29,66 80,74 352,22 11/26/ :40 29,69 85,29 343,35 11/25/ :51 30,20 78,10 381,43 11/26/ :50 30,43 81,91 369,59 11/25/ :01 29,95 78,05 405,75 11/26/ :00 30,80 79,74 384,26 11/25/ :11 30,85 76,67 434,50 11/26/ :10 31,45 77,75 418,01 11/25/ :21 30,85 74,85 461,30 11/26/ :20 31,26 75,90 449,37 11/25/ :31 31,05 73,92 487,44 11/26/ :30 32,04 72,80 481,86 1 : 1

36 88 11/25/ :41 31,63 71,80 512,67 11/26/ :40 31,78 72,55 500,51 Intensitas Intensitas Suhu RH Radiasi Suhu RH Radiasi ( C) Matahari ( C) Matahari (Watt/m 2 ) (Watt/m 2 ) 11/25/ :51 31,31 71,44 521,88 11/26/ :50 31,83 72,21 522,67 11/25/ :01 31,39 70,33 509,84 11/26/ :00 32,15 72,31 548,58 11/25/ :11 32,48 69,07 579,04 11/26/ :10 32,33 70,78 567,55 11/25/ :21 32,23 68,44 607,35 11/26/ :20 33,32 67,86 580,29 11/25/ :31 32,44 67,99 641,65 11/26/ :30 32,88 68,01 543,58 11/25/ :41 32,69 67,77 677,55 11/26/ :40 32,84 65,16 644,26 11/25/ :51 33,19 66,34 663,12 11/26/ :50 33,18 64,95 637,44 11/25/ :01 32,45 66,03 555,40 11/26/ :00 32,92 64,56 477,45 11/25/ :11 33,33 64,47 702,80 11/26/ :10 33,29 63,36 434,15 11/25/ :21 32,60 64,90 494,16 11/26/ :20 32,30 64,75 252,45 11/25/ :31 32,92 63,69 467,56 11/26/ :30 33,05 63,74 470,17 11/25/ :41 33,57 62,25 754,04 11/26/ :40 32,83 63,21 422,10 11/25/ :51 34,70 60,05 717,56 11/26/ :50 33,29 62,17 309,72 11/25/ :01 33,32 62,44 314,60 11/26/ :00 32,30 65,38 162,67 11/25/ :11 33,21 62,66 624,68 11/26/ :10 32,05 67,18 191,71 11/25/ :21 33,90 61,94 356,75 11/26/ :20 31,57 69,41 153,69 11/25/ :31 33,75 62,75 500,96 11/26/ :30 31,51 69,46 158,00 11/25/ :41 33,93 61,69 575,17 11/26/ :40 31,03 74,01 129,38 11/25/ :51 34,48 60,04 651,20 11/26/ :50 30,88 75,24 154,72 11/25/ :01 33,62 61,68 398,59 11/26/ :00 30,71 77,27 84,50 11/25/ :11 32,42 64,98 160,97 11/26/ :10 27,36 87,75 58,13

37 89 Suhu ( C) RH Intensitas Radiasi Matahari (Watt/m 2 ) Suhu ( C) RH Intensitas Radiasi Matahari (Watt/m 2 ) 11/25/ :21 32,48 65,03 212,12 11/26/ :20 26,36 87,90 61,43 11/25/ :31 33,27 64,95 447,45 11/26/ :30 27,72 84,44 96,09 11/25/ :41 33,94 65,34 676,30 11/26/ :40 28,65 83,93 135,64 11/25/ :51 33,36 66,21 472,91 11/26/ :50 29,04 84,70 168,82 11/25/ :01 33,63 65,48 527,78 11/26/ :00 30,09 83,80 118,25 11/25/ :11 33,46 66,19 508,45 11/26/ :10 30,15 81,69 132,32 11/25/ :21 32,53 68,77 161,19 11/26/ :20 30,33 81,20 195,06 11/25/ :31 32,31 70,30 152,66 11/26/ :30 30,92 78,83 185,63 11/25/ :41 32,24 70,60 212,00 11/26/ :40 31,73 76,86 386,20 11/25/ :51 32,26 69,54 186,65 11/26/ :50 31,51 74,74 346,20 11/25/ :01 32,87 68,15 432,45 11/26/ :00 31,53 74,46 344,26 11/25/ :11 33,47 67,74 391,07 11/26/ :10 31,42 75,37 336,65 11/25/ :21 32,84 68,14 368,80 11/26/ :20 31,60 74,76 265,85 11/25/ :31 32,04 72,94 178,00 11/26/ :30 31,64 74,69 189,25 11/25/ :41 30,95 77,33 103,58 11/26/ :40 31,31 74,05 206,75 11/25/ :51 30,59 78,89 82,10 11/26/ :50 31,41 73,90 196,18 11/25/ :01 30,30 80,43 72,78 11/26/ :00 31,46 73,55 191,87 11/25/ :11 30,45 80,09 132,78 11/26/ :10 30,98 74,60 96,06 11/25/ :21 30,60 79,13 109,38 11/26/ :20 30,86 75,42 87,86

38 90 Adapun data lingkungan sekitar yang direkam menggunakan alat HOBO data logger dapat dilihat dari tabel berikut ini: Tabel L1.11 Data Relative Humidity (RH), Suhu Lingkungan, dan Intensitas Radiasi Matahari Percobaan 2 dengan Perbandingan Massa Kakao : Absorben Intensitas Intensitas Suhu RH Radiasi Suhu RH Radiasi ( C) Matahari ( C) Matahari (Watt/m 2 ) (Watt/m 2 ) 12/3/ :00 28,40 87,29 164,95 12/4/ :01 28,03 90,96 230,52 12/3/ :10 28,76 86,38 224,71 12/4/ :11 28,61 89,84 260,86 12/3/ :20 28,41 86,58 223,92 12/4/ :21 29,12 88,16 292,78 12/3/ :30 29,86 83,93 355,05 12/4/ :31 29,37 86,69 322,66 12/3/ :40 30,25 82,48 377,22 12/4/ :41 29,87 84,10 353,80 12/3/ :50 29,90 82,30 160,05 12/4/ :51 30,72 80,99 373,35 12/3/ :00 29,16 84,05 188,14 12/4/ :01 30,99 78,85 398,93 12/3/ :10 29,69 83,23 210,27 12/4/ :11 31,37 77,05 426,98 12/3/ :20 30,00 81,76 293,69 12/4/ :21 31,61 75,11 462,44 12/3/ :30 31,09 79,76 498,81 12/4/ :31 32,00 72,40 489,36 12/3/ :40 30,48 80,15 249,04 12/4/ :41 31,72 72,45 507,67 12/3/ :50 30,58 80,50 297,77 12/4/ :51 31,91 72,30 532,22 12/3/ :00 30,34 80,69 251,20 12/4/ :01 32,31 71,46 556,88 12/3/ :10 30,17 81,15 138,36 12/4/ :11 32,65 69,79 574,94 12/3/ :20 29,96 80,35 166,53 12/4/ :21 33,00 68,95 559,27 12/3/ :30 29,80 81,20 148,81 12/4/ :31 33,04 66,13 574,15 12/3/ :40 29,95 80,95 152,78 12/4/ :41 32,86 64,97 626,99 1 : 2

39 91 Intensitas Intensitas Suhu RH Radiasi Suhu RH Radiasi ( C) Matahari ( C) Matahari (Watt/m 2 ) (Watt/m 2 ) 12/3/ :50 29,91 81,20 119,26 12/4/ :51 33,10 65,05 499,71 12/3/ :00 29,87 81,06 141,55 12/4/ :01 33,19 63,69 538,14 12/3/ :10 30,15 80,90 280,28 12/4/ :11 32,93 63,98 392,89 12/3/ :20 30,34 80,06 189,25 12/4/ :21 32,32 64,67 328,82 12/3/ :30 29,95 80,55 115,86 12/4/ :31 33,16 63,39 404,25 12/3/ :40 29,56 81,21 48,90 12/4/ :41 33,02 63,01 542,50 12/3/ :50 27,41 86,55 30,85 12/4/ :51 33,14 62,30 256,65 12/3/ :00 25,49 94,47 29,04 12/4/ :01 32,25 65,66 158,92 12/3/ :10 23,79 98,13 48,93 12/4/ :11 31,90 68,00 181,53 12/3/ :20 23,75 99,02 74,15 12/4/ :21 31,59 69,04 170,85 12/3/ :30 24,00 99,29 82,68 12/4/ :31 31,23 71,48 127,45 12/3/ :40 24,30 99,29 73,35 12/4/ :41 31,00 74,45 141,99 12/3/ :50 24,39 98,73 71,53 12/4/ :51 30,90 75,80 140,75 12/3/ :00 24,82 97,58 63,24 12/4/ :01 29,76 79,73 66,65 12/3/ :10 25,09 97,16 75,74 12/4/ :11 26,60 89,88 56,20 12/3/ :20 25,42 96,65 84,95 12/4/ :21 26,78 86,83 72,79 12/3/ :30 25,87 95,31 100,17 12/4/ :31 28,19 83,43 110,41 12/3/ :40 26,26 93,30 127,00 12/4/ :41 28,76 84,00 134,08 12/3/ :50 26,64 92,66 108,80 12/3/ :00 27,18 91,88 131,87 12/3/ :10 28,11 90,16 279,05

40 92 Intensitas Suhu RH Radiasi ( C) Matahari (Watt/m 2 ) 12/3/ :20 29,50 86,50 455,05 12/3/ :30 29,73 83,18 381,43 12/3/ :40 31,38 78,85 542,89 12/3/ :50 32,36 74,92 487,79 12/3/ :00 31,43 76,79 351,76 12/3/ :10 30,67 77,52 154,60 12/3/ :20 30,07 78,12 127,00 12/3/ :30 30,05 78,39 104,95 12/3/ :40 29,92 78,96 104,05 12/3/ :50 30,13 78,65 113,81 12/3/ :00 30,02 78,58 101,19 12/3/ :10 29,96 80,13 82,45 12/3/ :20 29,62 82,52 65,29 12/3/ :30 29,26 82,98 45,40 12/3/ :40 29,18 83,70 39,40

41 93 Dan data lingkungan sekitar yang direkam menggunakan alat HOBO data logger dapat dilihat dari tabel berikut ini: Tabel L1.12 Data Relative Humidity (RH), Suhu Lingkungan, dan Intensitas Radiasi Matahari Percobaan 2 dengan Perbandingan Massa Kakao : Absorben Intensitas Intensitas Suhu RH Radiasi Suhu RH Radiasi ( C) Matahari ( C) Matahari (Watt/m 2 ) (Watt/m 2 ) 12/17/ :30 28,19 85,01 327,56 12/18/ :30 29,57 84,71 362,45 12/17/ :40 28,92 83,69 361,98 12/18/ :40 30,08 82,92 371,19 12/17/ :50 29,35 81,83 394,15 12/18/ :50 30,23 81,90 218,01 12/17/ :00 29,74 80,94 423,13 12/18/ :00 29,18 83,78 171,66 12/17/ :10 30,78 78,05 450,16 12/18/ :10 29,50 83,70 212,44 12/17/ :20 31,42 75,51 470,85 12/18/ :20 29,91 82,14 245,16 12/17/ :30 31,53 74,20 492,65 12/18/ :30 30,83 80,30 455,17 12/17/ :40 31,86 72,22 515,61 12/18/ :40 30,75 79,68 335,74 12/17/ :50 32,48 71,15 534,94 12/18/ :50 30,47 80,72 272,55 12/17/ :00 32,40 69,94 416,99 12/18/ :00 30,42 80,58 297,78 12/17/ :10 30,46 71,80 143,92 12/18/ :10 30,27 81,04 140,98 12/17/ :20 30,80 70,39 307,79 12/18/ :20 30,00 80,50 163,45 12/17/ :30 33,20 66,10 714,38 12/18/ :30 29,84 81,02 151,87 12/17/ :40 33,44 65,18 578,56 12/18/ :40 29,90 80,96 154,50 12/17/ :50 30,97 70,78 180,75 12/18/ :50 29,94 81,19 128,92 12/17/ :00 31,83 69,23 648,92 12/18/ :00 29,84 81,05 132,34 12/17/ :10 32,97 66,15 685,51 12/18/ :10 30,06 81,06 195,51 12/17/ :20 32,69 66,67 492,33 12/18/ :20 30,36 80,06 269,82 1 : 3

42 94 Intensitas Intensitas Suhu RH Radiasi Suhu RH Radiasi ( C) Matahari ( C) Matahari (Watt/m 2 ) (Watt/m 2 ) 12/17/ :30 32,16 67,86 190,40 12/18/ :30 30,05 80,48 134,95 12/17/ :40 31,91 67,25 202,11 12/18/ :40 29,62 81,10 58,80 12/17/ :50 32,30 68,14 676,42 12/18/ :50 27,41 86,55 30,85 12/17/ :00 33,37 64,93 514,14 12/18/ :00 25,49 94,47 29,04 12/17/ :10 33,56 65,34 699,84 12/18/ :10 23,90 97,99 43,13 12/17/ :20 32,25 66,74 184,25 12/18/ :20 23,65 98,82 70,06 12/17/ :30 31,44 69,25 99,15 12/18/ :30 23,95 99,27 81,54 12/17/ :40 31,67 68,86 184,70 12/18/ :40 24,20 99,34 75,75 12/17/ :50 32,87 67,21 538,82 12/18/ :50 24,37 98,96 71,97 12/17/ :00 33,54 64,22 519,72 12/18/ :00 24,72 97,83 64,37 12/17/ :10 32,50 67,26 428,24 12/18/ :10 25,00 97,26 72,78 12/17/ :20 31,55 70,77 211,42 12/18/ :20 25,33 96,85 82,45 12/17/ :30 30,68 73,53 118,60 12/18/ :30 25,74 95,80 96,20 12/17/ :40 30,63 74,45 139,59 12/18/ :40 26,16 93,73 116,99 12/17/ :50 30,58 74,97 152,34 12/18/ :50 26,53 92,82 117,55 12/17/ :00 30,53 76,05 140,27 12/18/ :00 26,96 92,08 116,99 12/17/ :10 30,89 74,93 184,59 12/18/ :10 27,91 90,61 207,22 12/17/ :20 30,89 74,34 154,48 12/18/ :20 29,11 88,29 486,31 12/17/ :30 31,13 73,35 202,56 12/18/ :30 29,60 83,36 334,15 12/17/ :40 32,32 70,37 452,67 12/18/ :40 30,89 80,36 534,48 12/17/ :50 32,08 69,55 179,04 12/18/ :50 32,37 75,17 490,85 12/17/ :00 31,85 69,51 329,84 12/18/ :00 31,66 76,74 435,63 12/17/ :10 31,63 70,77 177,79 12/18/ :10 30,85 77,23 169,26

43 95 Intensitas Intensitas Suhu RH Radiasi Suhu RH Radiasi ( C) Matahari ( C) Matahari (Watt/m 2 ) (Watt/m 2 ) 12/17/ :20 30,70 73,53 104,15 12/18/ :20 30,17 77,96 134,85 12/17/ :30 30,80 74,24 232,34 12/18/ :30 30,07 78,33 107,67 12/17/ :40 30,31 75,82 127,32 12/18/ :40 29,97 78,81 100,97 12/17/ :50 30,40 76,26 178,45 12/18/ :50 30,02 78,78 117,68 12/17/ :00 30,53 76,76 179,27 12/18/ :00 30,08 78,65 103,23 12/17/ :10 30,18 77,70 142,22 12/18/ :10 30,05 79,10 86,88 12/17/ :20 30,09 76,88 95,85 12/18/ :20 29,66 82,08 74,88

44 LAMPIRAN 2 CONTOH PERHITUNGAN L2.1 Perhitungan Berat Kering Berat kering = kadar air akhir x berat akhir konstan 100 [2] L2.1.1 Perhitungan Berat Kering Untuk Sampel Perbandingan Massa Kakao dan Absorben 1 : 1 Kadar air akhir sampel = 5,17 % Berat akhir konstan = 447 gr 100-5,17 Berat kering = x 447 gr 100 = 424 gr L2.2 Perhitungan Kadar Air berat awal - berat kering Kadar air = x 100% berat awal [31] L2.2.1 Perhitungan Kadar Air Untuk Sampel Perbandingan Massa Kakao dan Absorben 1 : 1 Berat Awal = 1000 gr Berat kering = 424 gr berat awal - berat kering Kadar air = x 100% berat awal ( ) gr = x 100% 1000 gr = 57,6 % L2.3 Perhitungan Laju Pengeringan Laju pengeringan dihitung dengan persamaan: Dm 0 - m1 = m [27] dt t 96

45 97 Keterangan, Dm/dt = Drying rate / Laju Pengeringan (kg H2O/kg dm.jam) t = Selang waktu (detik) L2.3.1 Perhitungan Laju Pengeringan Untuk Sampel Perbandingan Massa Kakao dan Absorben 1 : 1 pada t = 10 menit t m0 m1 DR = = 600 detik = 1000 gr = 996 gr ( ) gr (600) detik = kg air yang diuapkan/detik L2.4 Perhitungan Moisture Ratio (MR) Mt - Mc MR = [32] M0 - Mc Keterangan, MR = Moisture Ratio Mt M0 Mc = Berat bahan pada saat t (gr) = Berat awal bahan (gr) = Berat kering bahan (gr) L2.4.1 Perhitungan Moisture Ratio (MR) Untuk Sampel Perbandingan Massa Kakao dan Absorben 1 : 1 pada t = 10 menit Mt = 996 gr M0 = 1000 gr Mc = 424 gr MR = ( ) gr ( ) gr = 0,993 Hasil perhitungan MR di atas digunakan sebagai MRexp

46 98 L2.5 Perhitungan Diffusivitas Efektif Ln MR = Ln [12] Difusivitas efektif didapat dari plot data Ln MR terhadap waktu (s) data dengan kemiringan K1, sebagai berikut : K1 = [12] L2.5.1 Perhitungan Diffusivitas Efektif Untuk Variasi Sampel Massa Absorben : Kakao = 1 : 1 Untuk mendapatkan nilai Deff, diplotkan Ln MR vs t sebagai berikut: Ln MR 0,5 0-0,5-1 -1,5-2 -2,5-3 -3,5 Difusivitas Efektif Variasi Massa Absorben : Kakao = 1: y = -3E-05x + 0,0856 R² = 0,9737 (jam) Gambar L2.1 Hubungan Ln MR vs t untuk Variasi Sampel Massa Absorben : Kakao = 1 : 1 Dari gambar L2.1 diatas diperoleh nilai slope = -5 x 10-3 m 2 /detik 2 π.deff. Slope = - 2 r 2 Slope.r Deff = 2 π 5x10-3.4(0,00623) Deff = 2 (3,14) 2 = 1,18 x m 2 /detik Maka nilai Deff untuk Variasi Sampel Massa Absorben : Kakao = 1 : 1 adalah 1,18 x m 2 /detik

47 99 L2.6 Model Matematika Pengeringan L2.6.1 Perhitungan MRpred Pada penelitian ini digunakan model matematika Logaritma, Page, Newton, dan Eksponensial sebagai penentu karakteristik pengeringan kentang. Untuk mendapatkan nilai MR untuk setiap model, bentuk eksponesial setiap model dilinierkan terlebih dahulu, seperti pada tabel L2.1 berikut: Tabel L2.1 Bentuk Linear Model Kinetika Karakteristik Pengeringan [13] Model Pengeringan Bentuk Eksponensial Bentuk Linear Logaritma MR = a exp (-kt) + c Ln MR = ln a kt + ln c Page MR = exp (-kt n ) ln (-ln MR) = ln k + (n) ln (t) Newton MR = exp (-kt) ln MR = -kt Eksponensial MR = a exp (-kt) ln MR = ln a kt Setelah setiap model dilinierkan kemudian plotkan dalam bentuk Hubungan sebagai berikut: Model Page Untuk Variasi Massa Absorben : Kakao = 1 : 1 pada t = 30 menit Untuk Model Page, plotkan nilai Ln (-Ln MR) vs Ln t sehingga diperoleh persamaan liniernya, seperti pada gambar L2.2 berikut:

48 100 Ln (-Ln MR) y = 1,1038x - 2,5464 R² = 0, Ln t (jam) MR Page MR Page Linear (MR Page) Gambar L2.2 Hubungan Ln (-Ln MR) vs Ln t untuk Variasi Sampel Massa Absorben : Kakao = 1 : 1 Dari gambar L2.2 diperoleh nilai R 2 (Coefficient of Determinat) = 0,987 dan bentuk persamaan liniernya y = 1,103x 2,546. Dari persamaan linier tersebut kita dapat menetukan nilai k dan n. Nilai k = exp (-2,546) = 0,0784 Nilai n = 1,103 Nilai - nilai konstanta tersebut disubstitusi ke dalam rumus MR bentuk eksponesial dari Model Page: Mr = exp (-kt n ). sehingga diperoleh nilai MRpred untuk Model Page adalah 0, Model Newton Untuk Variasi Sampel Massa Absorben : Kakao = 1 : 1 pada t = 30 menit Untuk Model Newton, plotkan nilai MR vs dengan intercept = 0 sehingga diperoleh persamaan liniernya, seperti pada gambar L2.3 berikut:

49 101 Moisture Ratio ( MR ) 1,200 1,000 0,800 0,600 0,400 0,200 0,000-0,200 y = -0,033x + 0,7823 R² = 0, ( jam ) MR Newton MR Newton Linear (MR Newton) Gambar L2.3 Hubungan MR vs dengan intercept = 0 untuk Variasi Sampel Massa Absorben : Kakao = 1 : 1 Dari gambar L2.3 di atas diperoleh nilai R 2 (Coefficient of Determinat) = 0,912 dan bentuk persamaan liniernya y = -0,033x + 0,782. Dari persamaan linier tersebut kita dapat menetukan nilai k. Nilai k = 0,033 Nilai k tersebut disubstitusi ke dalam rumus MR bentuk eksponesial dari Model Newton: Mr = exp (-kt) sehingga diperoleh nilai MRpred untuk Model Newton adalah 0,766. Model Eksponensial Untuk Variasi Sampel Massa Absorben : Kakao = 1 : 1 pada t = 30 menit Untuk Model Eksponensial, plotkan nilai MR vs sehingga diperoleh persamaan liniernya, seperti pada gambar L2.4 berikut:

50 102 MR 1,200 1,100 1,000 0,900 0,800 0,700 0,600 0,500 0,400 0,300 0,200 0,100 0,000 MR Eksponensial y = 1,1025e -0,109x R² = 0, (jam) MR Eksponensial Expon. (MR Eksponensial) Gambar L2.4 Hubungan MR vs untuk Variasi Sampel Massa Absorben : Kakao = 1 : 1 Dari gambar L2.4 diatas diperoleh nilai R 2 (Coefficient of Determinat) = 0,975 dan bentuk persamaan liniernya y = -0,1x + 1,102. Dari persamaan linier tersebut kita dapat menetukan nilai k dan a. Nilai k = 0,1 Nilai a = exp (1,102) Nilai- nilai konstanta tersebut disubstitusi ke dalam rumus MR bentuk eksponesial dari Model Henderson - Pabis: Mr = a exp (-kt). sehingga diperoleh nilai MRpred untuk Model Eksponensial adalah 1,048. Model Logaritma Untuk Variasi Sampel Massa Absorben : Kakao = 1 : 1 pada t = 30 menit Untuk Model Logaritma, plotkan nilai MR vs sehingga diperoleh persamaan logaritmanya, seperti pada gambar L2.5 berikut:

51 103 MR 1,600 1,400 1,200 1,000 0,800 0,600 0,400 0,200 MR Logaritma y = -0,266ln(x) + 0,9635 R² = 0,948 0,000 0,000 10,000 20,000 30,000 (jam) MR Log Log. (MR Log) Gambar L2.5 Hubungan MR vs untuk Variasi Sampel Massa Absorben : Kakao = 1 : 1 Untuk Model Logaritma diperoleh dengan salah satu fungsi trendline Ms.excel sehingga persamaan logaritmanya menjadi: -0,26 ln x+0,963. Lalu substitusi nilai t dengan x, sehingga didapat nilai MRpred untuk logaritma adalah 1, L2.6.2 Perhitungan RSME (Root Mean Square Error) 1 2 N 1 2 RMSE = ( i i MR ) pred, - MR N exp, [33] i-1 Keterangan, RSME N MRpred MRexp = Root Mean Square Error = Jumlah Data = MR prediksi pada model tertentu = MR hasil percobaan Untuk Variasi Sampel Massa Absorben : Kakao = 1 : 1 pada t = 10 menit Model Logaritma N = , RSME = ( ) 2 = 0,051

52 104 L2.6.3 Perhitungan χ 2 (Chi Square) N ( MR(exp, i) - MR(pred, i) ) 2 2 i= 1 χ = [33] N - z Keterangan, χ 2 N MRpred MRexp z = chi square = Jumlah Data = MR prediksi pada model tertentu = MR hasil percobaan = Jumlah data konstan Untuk Variasi Sampel Massa Absorben : Kakao = 1 : 1 pada t = 10 menit Model Logaritma N = 52 z = 0 χ 2 0,13638 = = 0, L2.7 MENGHITUNG KECEPATAN PROFIL (v) KOLEKTOR Perhitungan kecepatan profil (v) di dalam kolektor pada plat absorber digunakan untuk menentukan nilai koefisien udara yang dipengaruhi kecepatan angin (hw) pada rumus perhitungan kehilangan panas pada kaca/cover (Q3). Temperatur Lingkungan (Tr) vs Temperatur Plat (Ts) Temperatur Lingkungan (Tr) = 32,33 0 C = 305,33 K Temperatur Plat Absorber (Tp) = 49,95 0 C = 322,95 K Temperatur Film (Tf) = 41,14 0 C = 314,14 K Tabel L2.13 Sifat Fisik Udara pada Temperatur Film 314,14 K [34] T f ρ Cp µ x 10-5 k x 10-2 Pr (K) (kg/m 3 ) (J/kg.K) (N.s/m 2 ) (W/m.K) 314,14 1, ,603 1, , ,

53 105 Menghitung bilangan Grashoff (GrL) GrL =... ( ) [2] ρ = massa jenis udara = 1,110201kg/m 3 g = gravitasi = 9,81 m/s 2 θ = kemiringan kolektor = 60 0 β = koefisien udara L = panjang kolektor = = 0,00318/K = 2 m µ = viskositas udara = 1, x 10-5 Ns/m 2 maka: Gr L =,!"!#$ ' % & ( ),* % ' + (,-+!. (!,!!/*/1 ( 2/"",)3 1 /!3,// 15 ( (" %) & (,/6"/*" (! ' % ) GrL = 1,441 x Menghitung tebal lapisan batas (δ) maka: δ = 3,939y :,;<=> > :,< GrL -0,25 [2]!,)3" =!,6!/*3 δ = 3,939 x 2 m x!,"3 x (1,441x ) -0,25 (!,6!/*3) δ = 0,03072 m Menghitung kecepatan profil dalam Kolektor (v) - Kecepatan karakteristik (vc(y)) vc(y)= vc(y) =!,6!/*3 /( "! '" =!,6!/*3) > ( : '? = >),!"! #$ ' % & vc(y) = 2,9769 m/s...() A.,..&BC ( ),* % D + (,-+!((/"",)3 1 /!3,// [2],/6"/*" (! (0,03072 m) " ' % - Persamaan profil kecepatan kolektor (K (L) ) misal: M (N) = vc(y) (? ) [2] A = O P(Q) R = 96,9003/s dan

54 106 B = R = 32,5513/m sehingga persamaan profil kecepatan menjadi: K (L) = Ax(1 TU) " = 96,9003x.(1 32,5513U) " Menghitung laju aliran massa (WX ) kolektor WX = dy R! R! Zvc(x) dx = dρy ([U(1 TU) " ) dx d = lebar kolektor = 0,5 m R WX = dρy 2[U(1 2TU + T " U " )5! maka: R = dρy ([U 2[TU " + [T " U / )! R = dρy (96,9003U 2.32,5513U " + 96, ,5513 " U / )! = dρ (48,45015U " 21,70086U / ,57773U a ) R! WX = 0,5 m x 1, kg/m 3 x (48,45015x " 21,70086x / ,57773x a ) d! WX = 0,00423 kg/s Menghitung kecepatan profil kolektor ex = ρ.v.a = ρ.v.(d.δ) atau v = ex maka: v =!,!!a"/ #$/+,!"! gh i &.!,3 j.!,!/!6" j v = 0,2481 m/s.f.@ [2] L2.8 MENGHITUNG TEMPERATUR MASUK RUANG PENGERING Temperatur profil: T = Tr + (Ts Tr)? [2] T = 32,33 0 C + (49,95 0 C 32,33 0 C)(1 TU) " maka temperatur rata-ratanya adalah: kl = mn jx R Y (32, ,63(1 TU) " ) ([U(1 TU) " )ou!

55 107 nilai: mn jx = 131, C = mn jx [ ' T( T) = 12 maka persamaan temperaturnya adalah sebagai berikut: T = (dρ/wx )(32, ,63y 2 )(A((1-y)/B).y 2 )(-1/B)dy = (dρ/wx )(32, ,63)((A/(B(-B)))(1-y)y 2 )dy = C(32, ,63)((1-y)(y) 2 )dy = C.(32, ,63y 2 )(y 2 -y 3 )dy = C.(32, ,63y 2 )(y 2 -y 3 )dy = C.(32,33y 2 32,33y ,63y 4 17,63y 5 )dy R = p Y (32,33q " 32,33q / + 17,63q a 17,63q 3 )! = p r /",// / q / /",// a q a + 6," 3 q 3 6,/ q + sr Sehingga temperatur yang masuk ke lemari pengering adalah: = 12 /",//. t / = 39,38 0 C /",//. t a + 6,". t 3 6,/. t L2.9 MENGHITUNG KOEFISIEN KONVEKSI a. Menghitung Koefisien Konveksi Permukaan Luar (h1) Koefisien konveksi permukaan luar adalah koefisien konveksi antara udara lingkungan terhadap permukaan kayu, h1 (koefisien konveksi natural) Temperatur Lingkungan (Tr) vs Temperatur Permukaan Kayu (Ts) Temperatur Lingkungan (Tr) = 32,33 0 C = 305,33 K Temperatur Kayu (Tk) = 34,23 0 C = 307,23 K Temperatur Film (Tf) = 33,28 0 C = 306,28 K Tabel L2.14 Sifat Fisik Udara pada Temperatur 310,35 K [34] Tf ρ Cp µ x 10-5 k x 10-2 Pr (K) (kg/m 3 ) (J/kg.K) (N.s/m 2 ) (W/m.K) 306,28 1, ,195 1, ,6771 0,

56 108 Menghitung bilangan Grashoff (GrL) GrL = ( u ) [35] ρ = massa jenis udara = 1, kg/m 3 g = gravitasi = 9,81 m/s 2 θ = kemiringan kolektor = 60 0 β = koefisien udara L = panjang kolektor = = 0,00327/K = 2 m µ = viskositas udara = 1, x 10-5 Ns/m 2 maka: GrL =,/6a" vw ' j & L ),* j ' x L,-+!. L!,!!/"6/1 L 2/!6,"/ y /!3,// y5l(" j) & (,//a)"3 L! 78 z.x ' j ) GrL = 1,771 x 10 9 Menghitung bilangan Rayleigh (RaL) RaL = GrL x Pr [35] RaL = Bilangan Rayleigh GrL = Bilangan Grashoff Pr = Bilangan Prandt maka: RaL = 1,771 x 10 9 x 0, = 1,2501 x 10 9 Menghitung bilangan Nusselt (Nux) Nux = 0,59RaL 0,25 untuk 10 4 RaL 10 9 Nux = 0,1RaL 1/3 untuk 10 9 RaL Nux = bilangan Nusselt RaL = bilangan Rayleigh karena RaL diantara 10 4 RaL 10 9, maka besarnya bilangan Nusselt adalah Nux = 0,59RaL 0,25 [35]

57 109 = 0,59 x (1,2501 x 10 9 ) 0,25 = 110,9400 Menghitung koefisien konveksi (h1) Nux = {?. u atau h1 = }~ N.u Nux = bilangan Nusselt l = lebar penampang kayu = 0,17 m k = konduktivitas termal udara = 2,6771 x 10-2 W/mK maka: [35] h1 =!,)a!! ( ".66(!7 /%#!,6 j = 17,47 W/m 2 K b. Menghitung Koefisien Konveksi Permukaan Dalam (h2) Koefisien konveksi permukaan dalam adalah koefisien konveksi antara udara dalam kolektor terhadap permukaan plat absorber. Temperatur udara dalam kolektor (Tu) vs temperatur permukaan plat (Tp) Temperatur Udara Kolektor (Tu) = 43,96 0 C = 316,96 K Temperatur Plat Absorber (Tp) = 49,95 0 C = 322,95 K Temperatur Film (Tf) = 49,96 0 C = 319,96 K Tabel L2.15 Sifat Fisik Udara pada Temperatur 330,42 K [34] Tf ρ Cp µ x 10-5 k x 10-2 Pr (K) kg/m 3 ) (J/kg.K) (N.s/m 2 ) (W/m.K) 319,96 1, ,95 1, , , Menghitung bilangan Grashoff (GrL) GrL = ( ~ ) [35] ρ = massa jenis udara = 1, kg/m 3 g = gravitasi = 9,81 m/s 2 θ = kemiringan kolektor = 60 0

58 110 β = koefisien udara L = panjang kolektor = = 0, /K = 2 m µ = viskositas udara = 1,39985x 10-5 Ns/m 2 maka: GrL =,!)!*)/ vw ' j & L ),* j ' x L,-+!. L!,!!/"3a6/1 L 2/"",)3y /,) y5 L (" j) & GrL 4,464 x 10 9 (,/))*3 (! 78 z.x ' j ) Menghitung bilangan Rayleigh (RaL) RaL = GrL x Pr [35] RaL = Bilangan Rayleigh GrL = Bilangan Grashoff Pr = Bilangan Prandtl maka: RaL = 4,464 x 10 9 x 0, = 3,1369 x 10 9 Menghitung bilangan Nusselt (Nux) Nux = 0,59RaL 0,25 untuk 10 4 RaL 10 9 Nux = 0,1RaL 1/3 untuk 10 9 RaL Nux = bilangan Nusselt RaL = bilangan Rayleigh karena RaL diantara 10 4 RaL 10 9 maka besarnya bilangan Nusselt adalah: Nux = 0,59RaL 0,25 [35] = 0,59 x (3,1369 x 10 9 ) 0,25 = 139, Menghitung koefisien konveksi (h2) Nux = {. u atau h2 = }~ N.u Nux = bilangan Nusselt [35] l = lebar penampang plat = 0,1 m

59 111 k = konduktivitas termal udara = 2,78377 x 10-2 W/mK maka: h2 = /),"))/) ( ",6*/66 (!7 /%1!, j = 38, W/m 2 K L2.10 MENGHITUNG KEHILANGAN PANAS 1. Menghitung Kehilangan Panas pada Sisi Dinding (Q1) Q1 = Ud.A(Tu-Tr) = ~? =? = = {? u? uƒ u? u =? [2] = u { Ud h1 h2 Tu Tr t1 t2 t3 t4 kky kst krw kp = koefisien pindahan panas menyeluruh pada dinding = koefisien konveksi permukaan luar (W/m 2.K) = koefisien konveksi permukaan dalam (W/m 2.K) = temperatur udara dalam kolektor (K) = temperatur lingkungan (K) = tebal kayu (m) = tebal sterofoam (m) = tebal rockwoll (m) = tebal plat absorber (m) = konduktivitas termal kayu (W/m.K) = konduktivitas termal sterofoam (W/m.K) = konduktivitas termal rockwoll (W/m.K) = konduktivitas termal plat absorber (W/m.K) A1 = luas penampang kayu pada sisi dinding (m 2 ) A2 = luas penampang sterofoam pada sisi dinding (m 2 ) A3 = luas penampang rockwoll pada sisi dinding (m 2 ) A4 = luas penampang plat absorber pada sisi dinding (m 2 ) B B B vˆq B v Š = = = 6,a6!)6a ' % (!,/a j 1!,!!) j!,) ' %1 (!,/a %!,!"3 j!,!/ ' jy L!,/" j = 0, K/W = 0, K/W = 0, K/W

60 112 v Œ Ž & v Ž & = = Ž =!,!3 j!,!a" ' jy L!,"6 j!,!!!/ j ' jy L!," j = 0, K/W = 0,00696 K/W /*,*)6a63* ' % (!," j 1 = 7, K/W maka: Q1 = /"",)3 1 /!3,// 1!,*/3a =!,!!!3* =!,!!!")/ =!,!!!36) =!,!!) = 6,66/)a) = 2,56233 Watt karena bagian dinding kolektor terdiri atas 2 sisi, maka total kehilangan panas dinding adalah Q1 x 2 = 2,56233 Watt x 2 = 5, Watt 2. Menghitung Kehilangan Panas pada Sisi Alas (Q2) Pada perhitungan kehilangan panas pada sisi alas diasumsikan sama dengan perhitungan kehilangan panas pada dinding sehingga parameter-parameter yang digunakan dalam perhitungan pada sisi alas ini sama dengan pada perhitungan dinding. Maka kehilangan panas pada sisi alas adalah: Q2 = Ub.A(Tu-Tr) = ~? = = = {? u uƒ u u = <? [2] = u { < < Ub h1 h2 Tu Tr t8 t7 t6 t5 kky kst krw kp = koefisien pindahan panas menyeluruh pada sisi bawah (alas) = koefisien konveksi permukaan luar (W/m 2.K) = koefisien konveksi permukaan dalam (W/m 2.K) = temperatur udara dalam kolektor (K) = temperatur lingkungan (K) = tebal kayu (m) = tebal sterofoam (m) = tebal rockwoll (m) = tebal plat absorber (m) = konduktivitas termal kayu (W/m.K) = konduktivitas termal sterofoam (W/m.K) = konduktivitas termal rockwoll (W/m.K) = konduktivitas termal plat absorber (W/m.K)

61 113 A8 = luas penampang kayu pada sisi alas (m 2 ) A7 = luas penampang sterofoam pada sisi alas (m 2 ) A6 = luas penampang rockwoll pada sisi alas (m 2 ) A5 = luas penampang plat absorber pada sisi alas (m 2 ) B C C vˆq C v Š v Œ = = = = 8 = v 8 8 = 6,a6!)6a ' % ( j 1!,! j!,) ' %1 (,a %!,!3 j!,!/ ' jy L,"/j!,! j!,!a" ' jy L,!! j!,!!!3 j jy = 0,05724 K/W = 0,03605 K/W = 1,12917 K/W = 1,42714 K/W ' L j = 43 x 10-7 K/W /*,*)6a63* ' % ( j 1 = 0, K/W maka: Q2 = /"",)3 1 /!3,// 1!,!36"a =!,!/!3 =,")6 =,a"6a = a/ (!7 =!,!"36" = 6,6339Watt 3. Menghitung Kehilangan Panas pada Kaca/Cover (Q3) Q3 = Ua.A(Tu-Tr) Ua = z š œ(š šœ ) ž Ÿ + + ( = Œ )( = Œ ) ( =!,!!3)z ) 7B ž Ÿ7B.,B&&& = ˆ Ua = koefisien pindahan panas menyeluruh pada kaca (cover) N = jumlah kaca/cover β = sudut kemiringan kolektor = 60 0 = 1 lembar σ = konstanta Stefan-Boltzman = 5,67 x 10-8 W/m.K 4 C = 520(1 0, β 2 ) untuk 0 0 β 70 0 = 424,528 e = 0,43 (1 (100/Tu)) = 0,29685 εk = emisivitas acrylic = 0,94 εp = emisivitas plat = 0,97 z

62 114 hw = koefisien perpindahan kalor konveksi = 2,8 + 3v = 3,54 W/m 2. 0 C f = (1 + 0,089hw 0,1166hw. εp)(1 + 0,07866N) = 0,68029 A = luas permukaan kaca = 1 m 2 Tu = temperatur udara dalam kolektor ( 0 C) Tr = temperatur lingkungan ( 0 C) a = b = ŽŽ,8C 7 &,&& ) œ(ž, 8 Ž, 8 B., C.., C8 + /,3a ' j. t 3,6 L! 7C (a),)3 = /",// )((a),)3 ) = (/",// ) ) (!,)6=!,!!3)()(/,3a)) 7B (B)., C. 7B.,B&&&(., ) =., Ž Ua = a + b = 2,94 W/m 2. 0 C = 2,935 = 0,0054 maka: Q3 = 2,94 W/m 2. 0 C x 1 m 2 x (49,95 0 C 32,33 0 C) = 51,83596 Watt 4. Menghitung Kehilangan Panas Radiasi (Q4) Q4 = Tp Ta.ª( «)? =? «? =? «=? «? [2] = temperatur plat (K) = temperatur acyrilic (K) Εa = emisivitas acrylic = 0,94 εp = emisivitas plat = 0,97 σ = konstanta Stefan-Boltzman = 5,67 x 10-8 W/m.C 4 A = luas permukaan dalam kolektor = 1 m 2 maka: Q4 = j.3,6 L! 7C /jt Ž ((a),)3 ) Ž (/,!. ) Ž ) B., = B., Ž = B., Ž = B., Ž = 0, Watt Dari hasil perhitungan kehilangan panas yang telah dilakukan, maka diperoleh total kehilangan panas pada kolektor adalah: Qloss = Qdinding + Qalas + Qatas + Qradiasi

63 115 = Q1 + Q2 + Q3 + Q4 = (5, , , ,10591) Watt Qloss = 63, Watt L2.11 MENGHITUNG PANAS MASUK (QIN) PADA KOLEKTOR Qin = I.A.τ.α [2] Qin = panas masuk pada kolektor (Watt) I = Intensitas radiasi matahari/hobo = 425,23 W/m 2 A = luas permukaan kolektor (m 2 ) = 1 m 2 τ = transmisivitas acrylic = 0,92 α = absorbsivitas plat = 0,97 (Nilai absorbsivitas (α) plat yang dicat hitam diasumsikan 0,97) maka panas masuk (Qin) yang diserap kolektor adalah: Qin = 425,23W/m 2 x 1 m 2 x 0,92 x 0,97 = 341,53 Watt L2.12 MENGHITUNG PANAS YANG DIGUNAKAN (QU) PADA KOLEKTOR Qu = F`. (Qin - Qloss) [2] Qu = panas yang digunakan (Watt) F` = faktor efisiensi kolektor (diasumsikan = 90%) Qin Qloss = panas yang masuk pada kolektor = panas yang hilang pada kolektor maka: Qu = (90%). (341,53 Watt 63,700 Watt) = 277,83 Watt L2.13 MENGHITUNG PANAS REAKSI ABSORBEN Reaksi : LiCl + H2O LiCl.H2O Hr = ( Hf LiCl.H2O)-( Hf LiCl + ( Hf H2O) Hf LiCl = -97,63 kcal/mol [34] Hf H2O = -57,79 kcal/mol [34]

64 116 Hf LiCl.H2O = -4,45 kcal/mol [34] Hr = (-4,45) - (-97,63-57,79) kcal/mol = 150,98 kcal/mol Untuk Massa Absorben 1000 gr, Qab = m x Hr = 1000 x 150,98 kcal/mol = gr kcal/mol L2.14 MENHITUNG KONSUMSI ENERGI SPESIFIK Untuk Variasi Sampel Absorben : Kakao 1 : 1, Energi surya siang 1 = 218,52 Watt pengeringan = s Energi surya siang 2 = 67,29 Watt pengeringan = s Energi kimia absorben = gr kcal/mol Mr LiCl = 42,4 Mol LiCl = 1000 gr / 42,4 = 23,58 mol Faktor konversi [34]: 1 kg = 1000 gr 1 kcal = 4,187 kj 1 kj = 1000 J 1 J = 10 6 MJ 1 Watt = 1 J/s Energi surya siang 1 = 218,52 Watt x s = J = 6,29 MJ Energi surya siang 2 = 67,29 Watt x s = J = 2,02 MJ Energi kimia absorben = (150978/(1000x42,4))x4,187x0,001 = 0,0149 MJ Total energi = 8,327 MJ Total air yang diuapkan = 0,553 kg air Konsumsi energi spesifik (MJ /total air yang diuapkan) = 15,05 MJ /total air yang diuapkan

65 LAMPIRAN 3 DOKUMENTASI PENELITIAN L3.1 Foto Alat Indirect Solar Dryer Gambar L3.1 Foto Alat Indirect Solar Dryer L3.2 Foto Sampel Kakao Sebelum Pengeringan Gambar L3.2 Foto Sampel Kakao Sebelum Pengeringan 117

66 118 L3.3 Foto Sampel Kakao pada Pengeringan Malam Hari Gambar L3.3 Foto Sampel Kakao pada Pengeringan Malam Hari L3.4 Foto Sampel Kakao Setelah Pengeringan Gambar L3.4 Foto Sampel Kakao Sesudah Pengeringan