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动力电池环境适应性测试温度场及流场数值模拟

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为了研究动力电池在环境适应性测试中环境试验箱内温度场及流场的分布,基于对动力电池与环境试验箱整体结构的分析,建立了环境试验箱与动力电池的三维模型,对电池在箱内的两种摆放位置的温度场和流场进行了数值模拟.结果表明:环境试验箱内部空气温度均匀度会受到电池热负载的影响,影响大小根据电池的位置不同存在一定差别;电池交叉排列相对于并排排列,能够缓解一部分环境试验箱内空气涡流的产生.
Numerical Simulation of Temperature and Flow Fields in Environmental Adaptability Testing of Power Batteries
In order to study the temperature and flow field distribution within an environmental test chamber during environmental adaptability testing of power batteries,a three-dimensional model of the test chamber and the power battery was established based on an analysis of the overall structure.Numerical simulations were conducted on two different placement positions of the battery within the chamber.The results show that the air temperature uniformity inside the chamber is affected by the thermal load of the battery,with the degree of influence varying according to the battery's position.Compared to parallel arrangement,crosswise arrangement of the batteries alleviates some of the vortex generation in the chamber's air flow.

environmental test chambertemperature field uniformitypower batterynumerical simulation

周李渊、罗燕红、杨雪康、谢杰、蔡晓坤

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威凯检测技术有限公司,广州 510663

环境试验箱 温度场均匀性 动力电池 数值模拟

2024

环境技术
广州电器科学研究院有限公司

环境技术

CSTPCD
影响因子:0.995
ISSN:1004-7204
年,卷(期):2024.42(12)