螺旋管对电池模块水冷的有效性

D. Adair, K. Ismailov, Z. Bakenov
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引用次数: 0

摘要

本章介绍了使用铝块内薄铜螺旋管形式的散热器原型水冷却电池模块的有效性的研究。建立了包含6个单胞元的模组的热模型,并将热能传递方程与流体控制方程耦合进行了数值求解。利用单个单元的二维模型计算单元的产热率,所得热流密度用作计算流体动力学代码中能量方程的诺伊曼边界条件。要特别注意在极端环境温度条件下运行的电池模块。在管理电池模块的热性能时,所使用的冷却策略可以满足两个主要关注点,即保持合适的工作温度范围,并且在电池模块中存在合理的温度均匀性。这将增加电池的寿命周期,并提高充放电性能。研究了管内水流速度和螺旋圈数等参数的变化规律。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effectiveness of a Helix Tube to Water Cool a Battery Module
This chapter presents an investigation of the effectiveness of water cooling a battery module using a heat-sink prototype in the form of a thin copper helix tube within an aluminium block. A thermal model for the module containing six single cells is developed and numerically solved by coupling the heat energy transport equation with the fluid governing equations. The rate of generation of heat from the cells is calculated using a 2D model of a single cell with the resulting heat flux used as a Neumann boundary condition for the energy equation within a computational fluid dynamics code. Particular attention is given to the battery module operating in extreme ambient temperature conditions. The cooling strategy used is shown to satisfy two of the main concerns when managing the thermal performance of a battery module, that is, a suitable operating temperature range is maintained, and there is reasonable uniformity of temperature across the battery mod- ule. This should increase the battery cell life cycle together with enhancement of the charge and discharge performances. Variation of parameters such as the velocity of water within the tube and the number of turns used for the helix were investigated.
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