汽车工程学报2024，Vol.14Issue(3)：491-501,11.DOI:10.3969/j.issn.2095‒1469.2024.03.16
新型冷却结构在电池热管理中的分析与优化
Analysis and Optimization of a Novel Cooling Structure for Battery Thermal Management
刘泽宇 1杜小芳1
作者信息
- 1. 武汉理工大学 汽车工程学院,武汉 430070||现代汽车零部件技术湖北省重点实验室,武汉 430070
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摘要
Abstract
In response to the insufficient heat dissipation and poor surface temperature uniformity of the battery pack in traditional liquid cooling systems,this study proposes a novel battery pack structure based on a hybrid cooling strategy combining air cooling and liquid cooling.A three-dimensional model of the designed structure is established using Catia software,and its cooling simulation performance is analyzed using Fluent software.The research results indicate that compared to a single liquid cooling structure which exhibits overheating issues at 2 C and 2.5 C,the hybrid air and liquid cooling structure can effectively control the maximum temperature and the maximum temperature difference within 45℃and 5℃,respectively,across different discharge rates.Furthermore,the influence of different fluid inlet velocities on the battery pack cooling performance is investigated.By selecting the optimal combination of wind speed at 5 m/s and coolant flow rate at 0.5 m/s,and then implementing targeted optimization of the flow channel,the maximum temperature of the battery pack is further reduced from 28.12℃to 27.45℃under the same operating conditions.This novel structure provides an innovative direction for subsequent approaches in battery thermal management design.关键词
风冷液冷/新型结构/电池热管理/成组电池/电池包Key words
air-cooling and water-cooling/new structure/battery thermal management/rectangular grouped battery/battery pack分类
信息技术与安全科学引用本文复制引用
刘泽宇,杜小芳..新型冷却结构在电池热管理中的分析与优化[J].汽车工程学报,2024,14(3):491-501,11.
