Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 40, Issue 16, Pages 5689-5700Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2015.02.067
Keywords
LaNi5; Metal hydride; Wall strain; Hydrogen storage; Simulation
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Metal hydride hydrogen storage alloys show significant thermal variations and dimensional non-homogeneity during their charge discharge cycles. Pulverization, settling and agglomeration of these alloys and the consequent densification influence the rate of hydrogenation and wall strains on storage containers. In this study, numerical simulation of the wall strain distribution of a vertically placed hydrogen storage device is conducted with LaNi5 as the hydrogen storage alloy. The influence of salient parameters such as bed thickness, hydrogen supply pressure and coolant temperature on wall strains is studied with its already known effect on sorption performance. Effect of the densification of hydride particles during hydriding is also studied. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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