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Heat Recovery from Fuel Cell Exhaust Gas for Cooling Telecommunications Equipment

Kazuo OSHIMA, Tsuneo UEKUSA, Masahiro ICHIMURA, Tohru KOYASHIKI

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Summary :

Heat recovery methods and the amount of heat that can be recovered from fuel cell exhaust gas is described. The cooling performance of an absorption refrigerator that uses fuel cell waste heat is also described. Two heat recovery methods from the exhaust gas are considered: one uses heat recovery from mixed exhaust gas from the cathode side of the cells and the reformer (mixed type); the other uses separate heat recovery from these sites (separate type). Simulation shows that the amount of heat recovered between 60 and 75 with the separate type of heat recovery is greater than with the mixed type of heat recovery. The cooling capacity of the refrigerator using the separate type heat recovery and recovering heat between 65 and 85 is about 2.5 times that of one using a generator (heat source) with a constant 85 temperature.

Publication
IEICE TRANSACTIONS on Communications Vol.E75-B No.11 pp.1119-1125
Publication Date
1992/11/25
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Issue on Telecommunications Energy Systems and Switching Power Converters)
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