Charge reduction for a R22 split air conditioner operated with R290 under DT and ETB conditions.
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http://www.iifiir.org/clientBookline/service/reference.asp?INSTANCE=EXPLOITATION&OUTPUT=PORTAL&DOCID=IFD_REFDOC_0019047&DOCBASE=IFD_REFDOC_EN&SETLANGUAGE=EN
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资源简介：
As per Montreal Protocol R22 is to be phased out by 2030 AD in all Article 5 countries. Propane (R290) is a viable alternative for R22, but it is flammable. Hence attempts are made to reduce the charge quantity. This paper presents an experimental performance study of a split air conditioner with propane, as a substitute for R22. A split air conditioner of 5.25 kW capacity has been tested for energy efficiency in a Psychrometric test room under standard test conditions as per BIS-1391-1992 Part 2. Domestic test & Export Test B conditions were considered for this study. The results show that as the condenser tube diameter is reduced from 12.7 mm to 6.35mm, the optimum charge got reduced to 320 g and 310 g for DT & ETB conditions respectively.
提供机构：
International Institute of Refrigeration (IIR)
创建时间：
2016-12-19
