Feasibility study on a vehicular thermoelectric generator for both waste heat recovery and engine oil warm-up

Song Lan, Andy Smith, Richard Stobart and Rui Chen

Applied Energy, 2019, vol. 242, issue C, 273-284

Abstract: The thermoelectric modules have the bidirectional characteristic, which can work either in power generation mode based on Seebeck effect or in heating-cooling mode based on Peltier effect. In this paper, a feasibility study is performed for a bifunctional thermoelectric generator applied in vehicle engines, which can use Seebeck effect for waste heat recovery and Peltier effect for engine warm-up. To predict the bidirectional behaviours of the thermoelectric module, a dual-mode thermoelectric module model is developed, and the simulation results for the two modes (power generation mode and heating-cooling mode) are both verified with experiments. The four-quadrant operation diagram of thermoelectric module, which clearly presents the cooling, heating and power generation curves, is produced based on the validated model.

Keywords: Bidirectional thermoelectric module; Bifunctional thermoelectric generator; Engine warm-up; Waste heat recovery (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (4)

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DOI: 10.1016/j.apenergy.2019.03.056

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