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To utilize heat from round shaped heat sources or heat sinks effectively, a segmented annular thermoelectric generator was proposed. Each leg is composed of two materials with different optimum operating temperatures jointed in series. Based upon a developed theoretical model, the influences of annular shape parameter, height ratios of high temperature segment to leg in p- and n-type legs, temperature...
A solar thermoelectric generation system characterized by Fresnel lens, cavity receiver and heat pipe, i.e., FCH-STGS, was proposed. To analyze the performance of FCH-STGS accurately, a comprehensive theoretical model was built, where a finite element method was employed to consider the Thomson effect and temperature-dependence of thermoelectric materials. With this model, the influences of emissivity...
For a round shaped heat source or heat sink, annular thermoelectric couples (ATCs) are designed to remove the contact thermal resistance induced by geometrical mismatching. In this study, the performance (power and efficiency) of ATCs subjected to a constant heat flux condition, which is often encountered in the utilization of solar energy and radiant heat, was assessed by a developed theoretical...
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