Internal convection in thermoelectric generator models

Y. Apertet, H. Ouerdane, C. Goupil, Ph Lecæur

Research output: Contribution to journalConference articlepeer-review

18 Citations (Scopus)

Abstract

Coupling between heat and electrical currents is at the heart of thermoelectric processes. In a thermoelectric system this may be seen, from a thermal viewpoint, as an additional thermal flux linked to the appearance of an electrical current. Since this additional flux is associated with the global displacement of charge carriers in the system, it can be qualified as convective in opposition to the conductive part related to both phonon transport and heat transport by electrons under open circuit condition as, e.g., in the Wiedemann-Franz relation. In this article we demonstrate that considering the convective part of the thermal flux allows both new insight into the thermoelectric energy conversion and the derivation of the maximum power condition for generators with realistic thermal coupling.

Original languageEnglish
Article number012103
JournalJournal of Physics: Conference Series
Volume395
Issue number1
DOIs
Publication statusPublished - 2012
Externally publishedYes
Event6th European Thermal Sciences Conference, Eurotherm 2012 - Poitiers, France
Duration: 4 Sep 20127 Sep 2012

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