Ding Luo
A comprehensive hybrid transient CFD-thermal resistance model for automobile thermoelectric generators
Luo, Ding; Yan, Yuying; Chen, Wei-Hsin; Yang, Xuelin; Chen, Hao; Cao, Bingyang; Zhao, Yulong
Authors
YUYING YAN YUYING.YAN@NOTTINGHAM.AC.UK
Professor of Thermofluids Engineering
Wei-Hsin Chen
Xuelin Yang
Hao Chen
Bingyang Cao
Yulong Zhao
Abstract
This paper proposes a comprehensive hybrid transient CFD-thermal resistance model to predict the dynamic behaviour of an automobile thermoelectric generator (ATEG) system. The model takes into account the temperature dependences, the topological connection of thermoelectric modules, and the dynamic characteristics, which has the merits of high accuracy and short computational time. The dynamic behaviour of the ATEG system is determined and thoroughly examined using the transient exhaust heat as the heat source input. According to the transient model results, the dynamic output power of the ATEG system keeps the same variation trend with the exhaust temperature, but the variation of output power is more stable. Under the whole driving cycle, the mean power and efficiency of the 1/4 ATEG system are 8.91 W and 3.39% respectively, which are 3.39% lower and 47.52% higher than those expected by steady-state analysis. Beside, the model is validated experimentally, and the mean deviations of the output voltage and outlet air temperature are 7.70% and 1.12% respectively. This model is convenient to evaluate the behaviour of the ATEG system under different topological connections and gives a fresh tool for assessing the dynamic behaviour of ATEG systems.
Journal Article Type | Article |
---|---|
Acceptance Date | Apr 13, 2023 |
Online Publication Date | Apr 21, 2023 |
Publication Date | Sep 1, 2023 |
Deposit Date | Oct 9, 2023 |
Publicly Available Date | Apr 22, 2024 |
Journal | International Journal of Heat and Mass Transfer (Deleted) |
Print ISSN | 0017-9310 |
Publisher | Elsevier BV |
Peer Reviewed | Peer Reviewed |
Volume | 211 |
Article Number | 124203 |
DOI | https://doi.org/10.1016/j.ijheatmasstransfer.2023.124203 |
Public URL | https://nottingham-repository.worktribe.com/output/20008788 |
Publisher URL | https://www.sciencedirect.com/science/article/abs/pii/S0017931023003551 |
Additional Information | This article is maintained by: Elsevier; Article Title: A comprehensive hybrid transient CFD-thermal resistance model for automobile thermoelectric generators; Journal Title: International Journal of Heat and Mass Transfer; CrossRef DOI link to publisher maintained version: https://doi.org/10.1016/j.ijheatmasstransfer.2023.124203; Content Type: article; Copyright: © 2023 Elsevier Ltd. All rights reserved. |
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