SECOND LAW ANALYSIS OF AN ENVIRONMENTALLY FRIENDLY R290/R600/R600a MIXTURE IN A WATER-COOLED HEAT PUMP UNIT

被引：1

作者：

Menlik, Tayfun ^{[1
]}

Ozcan, Hasan ^{[2
]}

Arcaklioglu, Erol ^{[3
]}

机构：

[1] Gazi Univ, Fac Technol, Dept Energy Syst Engn, TR-06500 Ankara, Turkey

[2] Univ Ontario, Inst Technol, Oshawa, ON, Canada

[3] Karabuk Univ, Fac Engn, Dept Mech Engn, Karabuk, Turkey

来源：

ISI BILIMI VE TEKNIGI DERGISI-JOURNAL OF THERMAL SCIENCE AND TECHNOLOGY | 2014年 / 34卷 / 02期

关键词：

R134a; Hydrocarbon Mixture; Heat Pump; Global warming; Second law analysis; DOMESTIC REFRIGERATOR; ALTERNATIVE REFRIGERANTS; HYDROCARBON MIXTURES; REPLACE HFC-134A; SYSTEM; DRYER; R134A;

D O I：

暂无

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In this study, second law analysis of environmentally friendly R2901R600/R600a mixture at a rate of 45/46/9 % by mass fraction has been experimentally executed on a water-cooled heat pump as a substitute for HFC134a at varying air and water mass flow rates. Experimental outputs indicate that the heat pump system shows the highest exergy efficiency at 0.040 kg s-1 of water mass flow rate and 0.1 kg s-1 of air mass flow rate running with both R134a and HC mixture. Even though proposed HC mixture has lower COP and rational efficiencies, cooling exergy efficiency of HC mixture is 2-3% better than that of R134a. Higher energy consumption and lower rational efficiencies can be resolved by a hermetic compressor with higher sweep volume which is compatible with pure and mixture hydrocarbons.

引用

页码：19 / 28

页数：10

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