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Geometry Optimization of Thermoelectric Generators Using Simplified Conjugate-Gradient Method
Author(s): 
Pages: 847-851
Year: Issue:  4
Journal: Journal of Engineering Thermophysics

Keyword:  simplified conjugate-gradient methodmulti-junctionefficiency optimization;
Abstract: This paper is to develop an approach to find the optimal TEG geometry,which integrates a multi-physics TEG model and a SCG(simplified conjugated-gradient) method.Moreover,the optimization of TEG uni-couple is considered with temperature dependent properties of the TE materials since skutterudiets works better at high temperature and BiTe better at low temperature.The length of lower stage is the search variable,while the total length of the two stage is fixed.The objective of optimization is efficiency,where the optimum efficiency increases 30% than the initial design.
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