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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 ORCID:, Gao, Min ORCID:, 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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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: 05 May 2023 10:20

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