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Multiphysics simulations of thermoelectric generator modules with cold and hot blocks and effects of some factors

Li, W., Paul, M. C., Montecucco, A., Siviter, J., Knox, A.R., Sweet, Tracy, Gao, Min, Baig, H., Mallick, T. K., Han, G., Gregory, D. H., Azough, F. and Freer, R. 2017. Multiphysics simulations of thermoelectric generator modules with cold and hot blocks and effects of some factors. Case Studies in Thermal Engineering 10 , pp. 63-72. 10.1016/j.csite.2017.03.005

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Abstract

Transient and steady-state multiphysics numerical simulations are performed to investigate the thermal and electrical performances of a thermoelectric generator (TEG) module placed between hot and cold blocks. Effects of heat radiation, leg length and Seebeck coefficient on the TEG thermal and electrical performances are identified. A new correlation for the Seebeck coefficient with temperature is proposed. Radiation effects on the thermal and electric performances are found to be negligible under both transient and steady-state conditions. The leg length of the TEG module shows a considerable influence on the electrical performance but little on the thermal performance under transient conditions. A nearly linear temperature profile on a leg of the TEG module is identified. The temperature profile of the substrate surfaces is non-uniform, especially in the contacted areas between the straps (tabs) and the substrates.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Uncontrolled Keywords: Thermoelectric generator; Thermal and electrical analysis; Radiation; Heat transfer; Multiphysics simulation
Additional Information: This is an open access article under the CC BY license
Publisher: Elesvier
ISSN: 2214-157X
Funders: EPSRC
Date of First Compliant Deposit: 25 July 2017
Date of Acceptance: 22 March 2017
Last Modified: 17 Jul 2019 11:14
URI: http://orca.cf.ac.uk/id/eprint/102946

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