UJI KINERJA MESIN POWER THRESHER PADA BERBAGAI KECEPATAN PUTAR PISAU DAN KONDISI BAHAN TERHADAP SABUT KELAPA

KALISTA, ANJEL and Tunggal, Tri and Hersyamsi, Hersyamsi (2019) UJI KINERJA MESIN POWER THRESHER PADA BERBAGAI KECEPATAN PUTAR PISAU DAN KONDISI BAHAN TERHADAP SABUT KELAPA. Undergraduate thesis, Sriwijaya University.

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Abstract

This research objective was to determine the performance of modified power thresher machine at various rotation speed of blade and conditions of the material on coconut fiber. This research was conducted from November 2018 until January 2019 at Agriculture Department Workshop, Faculty of Agriculture, Sriwijaya University, Indralaya. This research used a Factorial Randomized Block Design (RAKF) with 2 treatment factors and three replications. The first factor is the green-skinned coconut husk freshly pared (A1), the green-skinned coconut husk stored for one week (A2), and the green-skinned coconut husk stored for two weeks (A3), and the second factor is the rotational speed ± 1000 rpm, ± 1150 rpm, and ± 1300 rpm. The parameters observed in this research include the effective machine capacity, fuel consumption, yield of the decomposition and decomposition results. The results of this research indicate that the lowest effective machine capacity found in A1B2 treatment, which is equal to 20.96 kg per hour, while the highest effective machine capacity found in the A3B3 treatment, which is 26.07 kg per hour. The lowest value of fuel consumption found in A1B1 treatment, which is equal to 0.86 L per hour, while the highest value found in the A3B3 treatment, which is equal to 1.61 L per hour. The lowest yield of decomposition results was found in A3B1 treatment, which is equal to 83.33% while the highest value was found in A2B2 and A2B3 treatments, which is equal to 88.67%. The treatment of blade rotational speed and material conditions have a significant effect on fuel consumption, but had no significant effect on decomposition yields, while the treatment of material conditions also significantly affects the effective machine capacity. The interaction of the combination of blade rotational speed treatment and material condition had no significant effect on all parameters, namely, the engine's effective capacity, fuel consumption and decomposition yield.

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: power thresher, coconut husk, coco fiber, coco peat
Subjects: S Agriculture > S Agriculture (General)
S Agriculture > S Agriculture (General) > S671-760.5 Farm machinery and farm engineering
Divisions: 05-Faculty of Agriculture > 41201-Agricultural Engineering (S1)
Depositing User: Administrator Library
Date Deposited: 24 Jul 2019 07:41
Last Modified: 02 Aug 2019 08:17
URI: http://repository.unsri.ac.id/id/eprint/665

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