Pemanfaatan Energi Panas pada Mesin Pengkondisian Udara 2 PK Sebagai Media Pemanas Air Mandi

Konrad, Frederikus; Pradana, Sigit; Sari, Sri Poernomo

doi:10.23960/mech.v6.i1.201503

Cited by 2 publications

(1 citation statement)

References 1 publication

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“…Air conditioning machine commonly called Air Conditioning (AC) Split is one of the air conditioning machines that work with a vapor compression cycle. The vapor compression cycle is one of the cycles used for mechanical refrigeration systems, where the refrigerant vapor will be compressed by the compressor as the main component in addition to other components such as the condenser, expansion valve, and evaporator [10]. Poor system performance can be caused by compressor performance that is not optimal, as one of the main components of the cooling system.…”

Section: Introductionmentioning

confidence: 99%

Effect Of AC Compressor Modification on Fuel Consumption in Car

Bahri,

Irawan,

Putra

2023

LOGIC

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The cooling system is a refrigeration technology that is growing, especially regarding the cooling medium (refrigerant), new vehicles nowadays mostly use air conditioning to condition the air in the vehicle's cabin, but for now, there are still many aspects that have not been given much attention, especially the compressor. Compressor systems in vehicles still rely on the engine as a direct drive resulting in increasingly wasteful fuel consumption and reducing the performance of the vehicle. This study analyzes the results of modifying a conventional compressor into an electric compressor by utilizing a split AC compressor whose supply voltage is obtained from a DC to AC inverter on vehicle fuel consumption and the required electrical energy. Inverter modification is highly recommended in the application of car air conditioners, split AC compressors, and others. The results of this research show that AC compressors using split compressors affect fuel consumption.

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Section: Introductionmentioning

confidence: 99%

Effect Of AC Compressor Modification on Fuel Consumption in Car

Bahri,

Irawan,

Putra

2023

LOGIC

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Experimental of Cascade Refrigeration System Using Natural Refrigerant Mixture Ethane and Carbon Dioxide at Low Temperature Circuit and Natural Refrigerant Propane at High Temperature Circuit

Nasruddin

Alhamid

Syaka

et al. 2013

AMM

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Medicine and biomedical research activities require cold storage to store biomedical specimens such as, for example, stem cell, sperm, blood and other organs. During storage, to prevent the specimen from damage required a special cold storage reaches -80°C [1]. Using single cycle refrigeration machine can only reach -40°C, and performance deteriorates below -35°C drop in pressure associated with evaporation. Thus, to reach lower temperatures, use cascade refrigeration machine [2]. During this low-temperature circuit cascade refrigeration systems still use refrigerants that contain ozone-depleting or global warming (CFCs and HCFCs). To overcome this, a mixture of carbon dioxide and ethane azeotropic a promising alternative refrigerants. Simulation studies and experiments indicate a mixture of carbon dioxide and ethane were able to achieve the minimum temperature to -80°C [4-7]. With the mass ratio 70% R170 and 30% R744 circuit at low temperature refrigeration systems and uses a capillary tube expansion device 0.054 inch diameter with a length of 6 meters and 3 meters then use an electric heater as the cooling load. Cooling load is given by the variation of 90 W, 120 W and 150 W at a cabin in the low temperature circuit. From the experiment will be known characteristics of cascade refrigeration system with refrigerant mixture and will get the parameter data to make cascade refrigeration machine.

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Pemanfaatan Energi Panas pada Mesin Pengkondisian Udara 2 PK Sebagai Media Pemanas Air Mandi

Cited by 2 publications

References 1 publication

Effect Of AC Compressor Modification on Fuel Consumption in Car

Effect Of AC Compressor Modification on Fuel Consumption in Car

Experimental of Cascade Refrigeration System Using Natural Refrigerant Mixture Ethane and Carbon Dioxide at Low Temperature Circuit and Natural Refrigerant Propane at High Temperature Circuit

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