Journal of Applied Science and Engineering

Published by Tamkang University Press

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Qianhao Yue1This email address is being protected from spambots. You need JavaScript enabled to view it., Jie Tao1, Jin Ran1,2, Aihemaitijiang Litifu3, and Zhanyong Lyu3

1School of Traffic and Transportation Engineering, Xinjiang University, Urumqi 830017, Xinjiang, China

2Xinjiang Key Laboratory of Green Construction and Smart Traffic Control of Transportation Infrastructure, Xinjiang University, Urumqi 830017, Xinjiang, China

3Xinjiang University Technology Transfer Co. Ltd., Urumqi 830000, Xinjiang, China


 

Received: March 10, 2025
Accepted: June 6, 2025
Publication Date: July 11, 2025

 Copyright The Author(s). This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited.


Download Citation: ||https://doi.org/10.6180/jase.202603_29(3).0014  


The performance of power batteries for electric and hybrid vehicles, as a key technology to achieve the carbon peak and carbon neutral goals, is significantly affected by temperature, and the low-temperature environment significantly reduces the charging and discharging performance of the batteries, which affects the reliability and practicability of electric vehicles. In this study, a solar-powered self-controlling temperature heating device utilizing a heat pipe is proposed. A multi-physics field non-isothermal flow coupling model is constructed using COMSOL Multiphysics software, and transient analysis is conducted to perform simulation studies on the heat pipe cornering method and the fluid material inside the heat pipe. Scoring is based on a combination of final temperature, uniformity of temperature rise, and speed of temperature rise. By comparing the performance of right-angle turning with radian turning and motor oil with ethylene glycol as heat pipe fluid materials, it is found that radian turning and ethylene glycol fluid materials are superior in heat transfer performance. This study optimizes the heat pipe model and provides new ideas and methods for research and design in the field of electric vehicle battery insulation. The simulation results provide a theoretical basis and technical support for the design and optimization of battery insulation systems in practical applications.


Keywords: Electric vehicle; Power battery; Thermal management; Heat pipe technology; COMSOL simulation


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