STUDI KASUS KEBUTUHAN COOLING LOAD DAN COEFFICIENT OF PERFORMANCE REFRIGERATOR DENGAN REFRIGERANT R-134A DI RUANG PRODUKSI PT. MITRA MUSTIKA SEJAHTERA SENTOSA

MOULANA YUNUS, AZIZ (2018) STUDI KASUS KEBUTUHAN COOLING LOAD DAN COEFFICIENT OF PERFORMANCE REFRIGERATOR DENGAN REFRIGERANT R-134A DI RUANG PRODUKSI PT. MITRA MUSTIKA SEJAHTERA SENTOSA. Skripsi thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

This research was conducted to calculate the cooling load and coefficient of performance refrigerant using R-134a in the Production Room 1, 2 and 3 of PT. Mitra Mustika Sejahtera. The results of theoretical calculation could be used to calculate the cooling load and coefficient of performance using R-134a refrigerant in the Production Room. The cooling load was calculated using the variation of room temperature. The calculated components in this case were the external loads (heat from walls, floors, roofs, glass, and energy and inlfitration) and internal the loads (heat from lights, humans and machines).The total cooling load calculation from the Production Room 1, 2, and 3 determined the cooling capacty based on the need of each the room. The result of each theoretical calculation was that Production Room 1 was 86.956,7076 Btu/hour which was equivalent to 10 PK; Production Room 2 was 89,900,3721 Btu/hour which was equivalent to 10 PK; Production Room 3 was 72.683,4072 Btu/hour which was equivalent to 8 PK. The air-conditioning machine capacity for each room was 2 PK with the number of machines based on the total cooling load of eaach Production Room. By using R-134a refrigerant, the refrigeration engine got the ideal performance coefficient performance value of gas of 5,4

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