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Optimal Design of the Heat Spreader Applied Thermoelectric Module for Waste Heat Recovery

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An optimal design and parametric study of a heat spreader applied to a thermoelectric generator attached to a larger chimney plate is presented. The thermoelectric module consists of a hot plate, a spreader, a thermoelectric generator and a cold plate based on water cooling. A three-dimensional thermoelectric generator model is proposed and solved numerically using a control volume based finite difference formulation. The objective is to obtain efficient power output balancing with reasonable material costs. A simplified conjugate-gradient method is used to search for the optimum length and height of a spreader ranging from 30 mm < L sp < 200 mm and 1 mm < H sp < 15 mm for different gas heat transfer coefficient. The results show that the Pareto front indicates a trade-off between the power output and the material of the spreader consumption.
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Document Type: Research Article

Publication date: 2012-07-01

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  • ADVANCED SCIENCE LETTERS is an international peer-reviewed journal with a very wide-ranging coverage, consolidates research activities in all areas of (1) Physical Sciences, (2) Biological Sciences, (3) Mathematical Sciences, (4) Engineering, (5) Computer and Information Sciences, and (6) Geosciences to publish original short communications, full research papers and timely brief (mini) reviews with authors photo and biography encompassing the basic and applied research and current developments in educational aspects of these scientific areas.
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