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东华大学环境科学与工程学院 空气环境与建筑节能研究所 上海 201620
肖鑫,男,副教授,东华大学环境科学与工程学院,18964749723,E-mail:xin.xiao@dhu.edu.cn。研究方向:相变蓄能及柔性热管理。
收稿:2025-05-02,
修回:2025-06-09,
录用:2025-06-27,
网络出版:2025-12-22,
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肖鑫,许文强.基于鲨鱼鱼鳞结构仿生的电池热管理优化研究[J].制冷学报,
Xiao Xin Xu Wenqiang.Optimal Investigation on the Thermal Management of Battery Based on a Bionic Shark Scale Structure[J].Journal of Refrigeration,
肖鑫,许文强.基于鲨鱼鱼鳞结构仿生的电池热管理优化研究[J].制冷学报, DOI:10.12465/issn.0253-4339.20250502001. CSTR: XXXXX.XX.XXX.20250502001.
Xiao Xin Xu Wenqiang.Optimal Investigation on the Thermal Management of Battery Based on a Bionic Shark Scale Structure[J].Journal of Refrigeration, DOI:10.12465/issn.0253-4339.20250502001. CSTR: XXXXX.XX.XXX.20250502001.
为强化电动汽车电池热管理的散热效果,本研究提出了一种仿生鲨鱼鳞片结构用于优化相变材料散热片,并耦合轴向风冷对电池进行控温。对电池发热特性实验后,构筑三维模型,模拟对比研究了自然对流、风冷、风冷耦合PCM及风冷耦合仿生学优化PCM的电池散热情况。结果表明:在2 C放电倍率情况下,风冷耦合仿生学优化的PCM电池温升仅为纯自然对流的33.6%,电池表面平均温度为41.8 ℃,可将电池控制在合适温度范围。且仿生学结构可使风道进出口压降降低4%,有效减少风机能耗。
To improve heat dissipation in the thermal management of batteries for electric vehicles, this study proposes a bionic structure based on shark scales. The design optimizes a phase-change material (PCM) heat sink in conjunction with axial air cooling to regulate battery temperature. Based on performance experiments of the battery, a three-dimensional model was built to investigate and compare the heat dissipation of the battery in natural convection, forced convection, forced convection coupled with PCM, and forced convection coupled with bionics-optimized PCM. The results indicate that the temperature rise of the battery with the forced convection coupled with bionics-optimized PCM is only 33.6% of that with natural convection at a 2 °C discharge, and the average temperature of the battery is 41.8 °C, which keeps the battery within a suitable temperature range. In addition, the bionic structure can reduce the pressure drop at the inlet and outlet by 4% compared with the traditional method.
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