Investigation on waste heat recovery of fuel cell stack cooling system (1st report, proposition of simple dynamic model of steam heat recovery on fuel cell stack cooling system)

Shinji Kimijima, Sunao Kawai, Tsuneo Uekusa, Kazuo Oshima

研究成果: Article査読

抄録

Waste heat recovery of the fuel cell stack cooling system is very important from the viewpoint of effective use of energy. Simultaneously, temperature control of the fuel cell stack is necessary to maintain high electrical efficiency and to prevent the cell stack from oxidation. In phosphoric acid fuel cell system, coolant temperature is controlled to keep constant the temperature of cell stack. The purpose of this paper is to propose the simple dynamic model for designing the temperature control system and heat recovery system of fuel cell stack cooling system. In addtion to this, experimental research and simulation analysis reveal the dynamic characteristics of fuel cell stack cooling system with control equipments. Throughout the resarches, concentrated parameter dynamic model is proposed and the validity of the model is confirmed by experimental results. When the transient response to disturbances such as make-up water pump start up is calculated, it is clarified that the coolant temperature of fuel cell stack can be controlled.

本文言語English
ページ(範囲)3902-3908
ページ数7
ジャーナルNihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
64
627
DOI
出版ステータスPublished - 1998 11月
外部発表はい

ASJC Scopus subject areas

  • 凝縮系物理学
  • 機械工学

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