Energy and Exergy Analysis of an Annular Thermoelectric Heat Pump
Source abstract
Abstract
In this paper, the concept of an annular thermoelectric heat pump (ATEHP) has been introduced. An exoreversible thermodynamic model of the ATEHP considering the Thomson effect in conjunction with Peltier, Joule and Fourier heat conduction has been investigated using exergy analysis. New expressions for dimensionless heating power, optimum current at the maximum energy, exergy efficiency conditions and dimensionless irreversibilities in the ATEHP are derived. The results show that the heating power, energy and exergy efficiency of the ATEHP are lower than the flat-plate thermoelectric heat pump. The effects of annular shape parameter (Sr = r2/r1), dimensionless temperature ratio (θ = Th/Tc) and the electrical contact resistances on the heating power, energy/exergy efficiency of an ATEHP have been studied. This study will help in the designing of actual ATEHP systems.
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Research context
OpenAlex topics: Advanced Thermoelectric Materials and Devices · Advanced Thermodynamics and Statistical Mechanics · Thermal properties of materials
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