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

Author(s) : KIM S. C., WON J. P., PARK Y. S., et al.

Type of article: Article, IJR article

Summary

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 a 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°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. Furthermore, this increased by 7% versus the case without cabin cooling.

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Pages: 70-77

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Details

  • Original title: Performance evaluation of a stack cooling system using CO2 air conditioner in fuel cell vehicles.
  • Record ID : 2009-0349
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 32 - n. 1
  • Publication date: 2009/01

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