Thermal effect of a thermoelectric generator on parallel microchannel heat sink

A. Rezania and L.A. Rosendahl

Energy, 2012, vol. 37, issue 1, 220-227

Abstract: Thermoelectric generators (TEG) convert heat energy to electrical power by means of semiconductor charge carriers serving as working fluid. In this work, a TEG is applied to a parallel microchannel heat sink. The effect of the inlet plenum arrangement on the laminar flow distribution in the channels is considered at a wide range of the pressure drop along the heat sink. The particular focus of this study is geometrical effect of the TEG on the heat transfer characteristics in the micro-heat sink. The hydraulic diameter of the microchannels is 270 μm, and three heat fluxes are applied on the hot surface of the TEG. By considering the maximum temperature limitation for Bi2Te3 material and using the microchannel heat sink for cooling down the TEG system, an optimum pumping power is achieved. The results are in a good agreement with the previous experimental and theoretical studies.

Keywords: Thermoelectric generator; Microchannel; Geometry effect; Pumping power; Modeling; Pressure drop (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (17)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:37:y:2012:i:1:p:220-227

DOI: 10.1016/j.energy.2011.11.043

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