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Thermal Management of Electrified Propulsion System for Low-Carbon Vehicles

Li, Bo; Kuo, Huang; Wang, Xuehui; Chen, Yiyi; Wang, Yangang; Gerada, David; Worall, Sean; Stone, Ian; Yan, Yuying

Authors

Bo Li

KUO HUANG Kuo.Huang1@nottingham.ac.uk
Research Fellow

Yiyi Chen

Yangang Wang

DAVID GERADA D.Gerada@nottingham.ac.uk
Principal Research Fellowin Electrical Machines

Sean Worall

Ian Stone

YUYING YAN YUYING.YAN@NOTTINGHAM.AC.UK
Professor of Thermofluids Engineering



Abstract

An overview of current thermal challenges on transport electrification is introduced in order to underpin the research developments and trends of recent thermal management techniques. Currently, explorations of intelligent thermal management and control strategies prevail among car manufacturers in the context of climate change and global warming impacts. Therefore, major cutting-edge systematic approaches in electrified powertrain are summarized in the first place. In particular, the important role of heating, ventilation and air-condition system (HVAC) is emphasised. The trends in developing efficient HVAC system for future electrified powertrain are analysed. Then electric machine efficiency is under spotlight which could be improved by introducing new thermal management techniques and strengthening the efforts of driveline integrations. The demanded integration efforts are expected to provide better value per volume, or more power output/torque per unit with smaller form factor. As demands driven, major thermal issues of high-power density machines are raised including the comprehensive understanding of thermal path, and multiphysics challenges are addressed whilst embedding power electronic semiconductors, non-isotropic electromagnetic materials and thermal insulation materials. Last but not least, the present review has listed several typical cooling techniques such as liquid cooling jacket, impingement/spray cooling and immersion cooling that could be applied to facilitate the development of integrated electric machine, and a mechanic-electric-thermal holistic approach is suggested at early design phase. Conclusively, a brief summary of the emerging new cooling techniques is presented and the keys to a successful integration is concluded.

Citation

Li, B., Kuo, H., Wang, X., Chen, Y., Wang, Y., Gerada, D., …Yan, Y. (2020). Thermal Management of Electrified Propulsion System for Low-Carbon Vehicles. Automotive Innovation, 3, 299–316. https://doi.org/10.1007/s42154-020-00124-y

Journal Article Type Article
Acceptance Date Nov 11, 2020
Online Publication Date Dec 2, 2020
Publication Date 2020-12
Deposit Date Nov 18, 2020
Publicly Available Date Dec 2, 2020
Journal Automotive Innovation
Electronic ISSN 2522-8765
Publisher Springer
Peer Reviewed Peer Reviewed
Volume 3
Pages 299–316
DOI https://doi.org/10.1007/s42154-020-00124-y
Keywords Thermal management; Electrified powertrain; Efficient cooling and heating; Electric machine and control; High power electronics
Public URL https://nottingham-repository.worktribe.com/output/5051518
Publisher URL https://link.springer.com/article/10.1007/s42154-020-00124-y

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