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Simulation of Effective Thermal Conductivity of Metal Hydride Packed Beds

Madaria, Yogesh and Kumar, Emadabathuni Anil and Maiya, Prakash and Murthy, Srikantiah Srinivasa (2015) Simulation of Effective Thermal Conductivity of Metal Hydride Packed Beds. In: HEAT TRANSFER ENGINEERING, 37 (7-8, S). pp. 616-624.

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Official URL: http://dx.doi.org/10.1080/01457632.2015.1066653

Abstract

Several mathematical models are available for estimation of effective thermal conductivity of nonreactive packed beds. Keeping in view the salient differences between metal hydride beds in which chemisorption of hydrogen takes place and conventional nonreactive packed beds, modified models are proposed here to predict the effective thermal conductivity. Variation in properties such as solid thermal conductivity and porosity during hydrogen absorption and desorption processes are incorporated. These extended models have been applied to simulate the effective thermal conductivity of the MmNi(4.5)Al(0.5) hydride bed and are compared with the experimental results. Applicability of the extended models for estimation of the effective thermal conductivity at different operating conditions such as pressure, temperature, and hydrogen concentration is discussed.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the TAYLOR & FRANCIS INC, 530 WALNUT STREET, STE 850, PHILADELPHIA, PA 19106 USA
Department/Centre: Division of Interdisciplinary Research > Interdisciplinary Centre for Energy Research
Depositing User: Id for Latest eprints
Date Deposited: 20 Jan 2016 04:56
Last Modified: 23 Oct 2018 14:48
URI: http://eprints.iisc.ac.in/id/eprint/53161

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