期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 35, 期 14, 页码 7623-7632出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2010.04.184
关键词
Metal hydride; Sorption system; Heat pump; Capillary tube bundle reaction bed
资金
- European Commission [TST4-CT-2005-012471]
In this paper a detailed experimental analysis of a metal hydride based cooling system is presented. For the high temperature side an AB(5) type alloy (LmNi(4.91)Sn(0.15)) was chosen, whereas an AB(2) type alloy (Ti0.99Zr0.01V0.43Fe0.09Cr0.05Mn1.5) is used for the low temperature side. Due to very good heat and also mass transfer characteristics (among others, large heat transfer surface area) of the utilized capillary tube bundle reaction bed, very short half-cycle times in the order of 100 s have been reached. Consequently, the specific cooling power of the system is up to 780 W per kg desorbing metal hydride - depending on the temperature boundary conditions. The system was experimentally analyzed for different cooling and ambient temperatures, whereas the heating temperature was fixed to 130 degrees C. (C) 2010 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.
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