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Experimental and Numerical Study of Cooling Performance of Air Conditioner Using R32/CO_2 Refrigerant Mixture

机译:R32 / CO_2制冷剂对空调制冷性能的实验与数值研究

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摘要

Conventional refrigerants such as chlorofluorocarbons and hydrochlorofluorocarbons have high values of global warming potential (GWP) and ozone depletion (ODP). HVAC&R engineers and designers are exploring alternate refrigerants having low ODP and GWP. At present, R32 refrigerant is being considered as an alternative to the conventional refrigerants in domestic air conditioners by many manufacturers and countries. This study analyzes the steady-state cooling performance of a split air conditioner using R32(CH2F2) and R32/CO_2 (Carbon Dioxide) mixture having lower GWP. The performance of the air conditioner with R32 and four different compositions of R32/CO_2 mixture is studied experimentally and numerically. A comparative analysis of performance characteristics such as cooling capacity, total energy consumption, energy efficiency, operating pressures and temperatures is presented in this study.
机译:常规制冷剂(例如氯氟烃和氢氯氟烃)具有较高的全球变暖潜势(GWP)和臭氧消耗(ODP)值。 HVAC&R工程师和设计师正在研究ODP和GWP较低的替代制冷剂。目前,许多制造商和国家/地区都认为R32制冷剂可以替代家用空调中的常规制冷剂。本研究分析了使用GWP较低的R32(CH2F2)和R32 / CO_2(二氧化碳)混合物的分体式空调的稳态制冷性能。通过实验和数值研究了具有R32和四种不同成分的R32 / CO_2混合物的空调的性能。在这项研究中,对性能特征进行了比较分析,例如冷却能力,总能耗,能效,工作压力和温度。

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