Numerical study on the performance of vapor compression liquid chillers using R32 and R410A.
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资源简介：
A numerical model is developed to predict the performance of vapor compression liquid chillers using R410A and R32. A new convergence method is employed to find the optimum compressor RPM at a given heat load. The superheat and subcooling are maintained constant for both R32 and R410A systems. The performance of the vapor compression cycle are analytically investigated according to the condenser inlet air temperature and the heat load. The condenser inlet temperature and heat load range from 25 to 45 5 and from 11 to 23 kW, respectively, while the evaporator inlet secondary fluid temperature is maintained at 20 5. As the condenser inlet air temperature increases, R32 system shows 0.1% to 6.7% higher COP. In the case of the heat load, R32 system shows 0.0% to 10.6% higher COP. The difference in the COP between the R32 and of R410A systems increases as the heat load and the condenser inlet air temperature increase.
提供机构：
International Institute of Refrigeration (IIR)
创建时间：
2018-11-19
