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One-dimensional Modeling of Thermoelectric Cooling

W. Seifert
Organization: Universitat Halle-Wittenberg
Department: Fachbereich Physik
M. Ueltzen
Organization: Universitat Halle-Wittenberg
Department: Fachbereich Physik
E. Mueller
Organization: Institut für Werkstoff-Forschung
Department: German Aerospace Center (DLR) Cologne
Journal / Anthology

Physica Status Solidi A-Applied Research
Year: 2002
Volume: 194
Page range: 277-290

Applying a one-dimensional formulation, the authors give a short overview on thermoelectric effects. Starting from the first principles of thermoelectricity, differential equations governing the coupling of thermal and electric transports have been analytically and numerically solved by the software tool Mathematica. For (Bi0.5Sb0.5)2Te3 as an active material, the temperature profile T(x) in a single Peltier element has been calculated for constant thermoelectric material properties as well as for temperature dependent parameters. It is shown that temperature dependence effects can be sufficiently approximated by constant volume average values as far as the electric current remains near or below the optimum value for maximum temperature difference over the element.

*Science > Physics > Thermodynamics and Statistical Mechanics
Related items

*One-dimensional Modeling of a Peltier Element   [in Articles]
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PeltierCooling.nb (47.1 KB) - Mathematica Notebook [for Mathematica 5.0]
PeltierCooling2.nb (92.3 KB) - Mathematica Notebook