Evaluation of performance an air conditioning systems using t-junction flash gas refrigerant

Berman, Ega Taqwali; Setiawan, Andereas Pandu; Arifianto, E S; Mutaufiq,

doi:10.1088/1757-899x/288/1/012064

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2018

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(2 citation statements)

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“…This indicates that ejector installation on AC system can improve the refrigeration effect of normal AC system. The greater the value of the refrigeration effect then the amount of heat that can be absorbed by the refrigerant from the cabin space is greater [6]. Figure 4 shows the COP value of the AC system under normal conditions testing.…”

Section: Refrigeration Effectmentioning

confidence: 99%

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Investigation on the improvement of car air conditioning system performance using an ejector

2018

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The purpose of this research is to know the improvement of car air conditioner system performance using an ejector. The study was conducted on a car engine with power 100 PS (74 kW) @ 5000 rpm. The test procedure is carried out under two conditions: the normal refrigeration cycle mode and the refrigeration cycle mode with the ejector. The working fluid used in the refrigeration cycle is R-134a. Performance data was measured on engine revolutions ranging from 1500 - 3000 rpm. Finally, the results showed that ejector usage on AC system generates an increase in the refrigeration effect and coefficient of performance (COP) of 25% and 22%, respectively. This has implications to better cooling capacity and compressor work that is lighter.

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Section: Refrigeration Effectmentioning

confidence: 99%

“…One way that can be done to reduce the car engine load is by increasing the performance of the vapor compression cycle as shown by the increasing value of the refrigeration effect. The greater the value of the refrigeration effect then the amount of heat that can be absorbed by the refrigerant from the cabin space is greater [6].…”

Section: Introductionmentioning

confidence: 99%