Performance evaluation of a stack cooling system using CO2 air conditioner in fuel cell vehicles

被引：36

作者：

Kim, Sung Chul ^{[2
]}

Won, Jong Phil ^{[2
]}

Park, Yong Sun ^{[3
]}

Lim, Tae Won ^{[3
]}

Kim, Min Soo ^{[1
]}

机构：

[1] Seoul Natl Univ, Sch Mech & Aerosp Engn, Seoul 151744, South Korea

[2] Korea Automot Technol Inst, Thermal Management Res Ctr, Chungnam 330912, South Korea

[3] Hyundai Kia Motors, Corporate Res & Dev Div, Gyeonggi 449912, South Korea

来源：

INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID | 2009年 / 32卷 / 01期

关键词：

Air conditioning; Automobile; Fuel cell; Compression system; Carbon dioxide; Transcritical cycle; Heat recovery; HEAT-PUMP SYSTEM; THERMAL MANAGEMENT; WATER;

D O I：

10.1016/j.ijrefrig.2008.07.003

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

A relation between the heat release from a fuel cell stack and an air conditioning system's performance was investigated. The air conditioning system installed in a fuel cell vehicle can be used for stack cooling when additional stack heat release is required over a fixed radiator capacity during high vehicle power generation. This study investigated the performance of a stack cooling system using CO2 air conditioner at various operating conditions. Also, the heat releasing effectiveness and mutual interference were analyzed and compared with those for the conventional radiator cooling system with/without cabin cooling. When the radiator coolant inlet temperature and flow rate were 65 degrees C and 80 L/min, respectively, for the outdoor air inlet speed of 5 m/s, the heat release of the stack cooling system with the aid Of CO2 air conditioner increased up to 36% more than that of the conventional radiator cooling system with cabin cooling. Further-more, this increased by 7% versus the case without cabin cooling. (C) 2008 Elsevier Ltd and IIR.

引用

页码：70 / 77

页数：8

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