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

W. Li; M. C. Paul; A. Montecucco; J. Siviter; A. R. Knox; T. Sweet; M. Gao; H. Baig; T. K. Mallick; G. Han; D. H. Gregory; F. Azough; R. Freer

doi:10.1016/j.csite.2017.03.005

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

W. Li, M. C. Paul, A. Montecucco, J. Siviter, A. R. Knox, T. Sweet, M. Gao, H. Baig, T. K. Mallick, G. Han, D. H. Gregory, F. Azough, R. Freer

Research output: Contribution to journal › Article › peer-review

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.

Original language	English
Pages (from-to)	63-72
Number of pages	10
Journal	Case Studies in Thermal Engineering
Volume	10
Early online date	23 Mar 2017
DOIs	https://doi.org/10.1016/j.csite.2017.03.005
Publication status	Published - 1 Sept 2017

Keywords

Heat transfer
Multiphysics simulation
Radiation
Thermal and electrical analysis
Thermoelectric generator

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Li, W., Paul, M. C., Montecucco, A., Siviter, J., Knox, A. R., Sweet, T., Gao, M., Baig, H., Mallick, T. K., Han, G., Gregory, D. H., Azough, F., & 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, 63-72. Advance online publication. https://doi.org/10.1016/j.csite.2017.03.005

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title = "Multiphysics simulations of thermoelectric generator modules with cold and hot blocks and effects of some factors",

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.",

keywords = "Heat transfer, Multiphysics simulation, Radiation, Thermal and electrical analysis, Thermoelectric generator",

author = "W. Li and Paul, {M. C.} and A. Montecucco and J. Siviter and Knox, {A. R.} and T. Sweet and M. Gao and H. Baig and Mallick, {T. K.} and G. Han and Gregory, {D. H.} and F. Azough and R. Freer",

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T1 - Multiphysics simulations of thermoelectric generator modules with cold and hot blocks and effects of some factors

AU - Li, W.

AU - Paul, M. C.

AU - Montecucco, A.

AU - Siviter, J.

AU - Knox, A. R.

AU - Sweet, T.

AU - Gao, M.

AU - Baig, H.

AU - Mallick, T. K.

AU - Han, G.

AU - Gregory, D. H.

AU - Azough, F.

AU - Freer, R.

PY - 2017/9/1

Y1 - 2017/9/1

N2 - 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.

AB - 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.

KW - Heat transfer

KW - Multiphysics simulation

KW - Radiation

KW - Thermal and electrical analysis

KW - Thermoelectric generator

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DO - 10.1016/j.csite.2017.03.005

M3 - Article

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SN - 2214-157X

VL - 10

SP - 63

EP - 72

JO - Case Studies in Thermal Engineering

JF - Case Studies in Thermal Engineering

ER -

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

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Keywords

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