Effects of Fluid Directions on Heat Exchange in Thermoelectric Generators

Ryosuke Suzuki, Yuto Sasaki, Takeyuki Fujisaka, Min Chen

Research output: Contribution to journalJournal articleResearchpeer-review

17 Citations (Scopus)


Thermal fluids can transport heat to the large surface of a thermoelectric (TE) panel from hot and/or cold sources. The TE power thus obtainable was precisely evaluated using numerical calculations based on fluid dynamics and heat transfer. The commercial software FLUENT was coupled with a TE model for this purpose. The fluid velocity distribution and the temperature profiles in the fluids and TE modules were calculated in two-dimensional space. The electromotive force was then evaluated for counter-flow and split-flow models to show the effect of a stagnation point. Friction along the fluid surface along a long, flat path was larger than that along a short path split into two parts. The power required to circulate the fluids along the flow path is not negligible and should be considered in TE generation system design.
Original languageEnglish
JournalJournal of Electronic Materials
Issue number6
Pages (from-to)1766-1770
Number of pages5
Publication statusPublished - 2012

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