[1]南银姬,卢楚辉,蒋中洲,等.动力电池液冷板导流结构优化设计[J].大众科技,2020,22(06):54-56.
　Optimization Design of Diversion Structure of Liquid Cooled Platefor Power Battery[J].Popular Science & Technology,2020,22(06):54-56.
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动力电池液冷板导流结构优化设计()
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《大众科技》[ISSN:1008-1151/CN:45-1235/N]

卷:
22
期数:
2020年06
页码:
54-56
栏目:
电力与机械
出版日期:
2020-06-20

文章信息/Info

Title:
Optimization Design of Diversion Structure of Liquid Cooled Platefor Power Battery
作者:
南银姬;  卢楚辉;  蒋中洲;  何佳健
（东风柳州汽车有限公司，广西 柳州 545025）
关键词:
动力电池; 液冷板; 压降; 导流柱
Keywords:
power battery;  cooling plate;  pressure drop;  diversion column
文献标志码:
A
摘要:
运用 TAITherm 软件和 Star ccm+软件完成了电池包的热模型和流体模型的耦合仿真。运用 TAITherm 中已建立的热模型，定义热相关的边界条件并进行电池包内部热分析；运用 Star ccm+已建立的流体模型，选择乙二醇水溶液为冷却液，在初始温度为 25℃、进口质量流量为 0.18 kg? –1 的边界条件下进行液冷板内部流体的对流换热分析；热-流耦合仿真后根据仿真结果对液冷板的 U 型处结构进行了优化。研究表明，液冷板原结构的 U 型处冷却液流动紊乱，造成较大压降；在液冷板 U 型处增加一定数量的导流柱进行优化，结果表明优化后的液冷板内导流结构可有效改善冷却液流动方向，达到了降低压降和增强换热的效果。
Abstract:
In this paper, a simulation of the battery package combined the thermal model and the fluid model is completed by usingsoftware TAITherma and Star ccm+. The thermal model established in TAITherm is used to define the thermal related boundary conditionsand carry out the internal thermal analysis of the battery pack. The fluid model is established in the Star ccm+, and the glycol solution isselected as the cooling medium. The fluid convection and heat transfer in the liquid cooling plate are analyzed when the initial temperatureis 25℃ and the inlet mass flow rate is 0.18 kg? –1 . According to the simulation results, the u-shaped structure of the liquid cooling plate isoptimized. The results show that the cooling medium flow is disorganized at the u-shaped part of the original structure, resulting in a largepressure drop. However, after adding some guide columns to the u-shaped liquid cooling plate for optimization, the cooling medium flowdirection is effectively improved, and in consequence, the pressure drop is reduced and the heat transfer is enhanced.

参考文献/References:

[1] Panchal S, Dincer I, Agelin-Chaab M, et al. Thermalmodeling and validation of temperature distributions in aprismatic lithium-ion battery at different discharge rates andvarying boundary conditions[J]. Applied ThermalEngineering, 2015(96): 190-199.[2] Panchal S, Dincer I, Agelin-Chaab M, et al. Experimentaland simulated temperature variations in a LiFePO 4 -20 A ? hBattery during Discharge Process[J]. Applied Energy, 2016,180: 504-515.[3] Panchal S, Dincer I, Agelin-Chaab M, et al. Experimentaltemperature distributions in a prismatic lithium-ion batteryat varying conditions[J]. International Communications inHeat and Mass Transfer，2016, 71: 35-43.[4] Giuliano M R, Advani R, Prasad A K. Thermal analysis andmanagement of lithium-titanate batteries[J]. Journal ofPower Sources, 2011, 196(15): 6517-6524.[5] Panchal S, Khasow R, Dincer I, et al. Thermal design andsimulation of mini-channel.cold plate for water cooled largesized prismatic lithium-ion battery[J]. Applied ThermalEngineering, 2017, 122: 80-90.[6] Qian Z, Li Y, Rao Z. Thermal performance of lithium -ionbattery thermal management system by using mini-channelcooling[J]. Energy Conversion and Management,2016(126): 622-631.[7] 夏正鹏，汪兴兴，倪红军，等. 电动汽车电池热管理系统研究进展[J]. 电源技术，2012，36(7): 1052-1054.[8] 吴唐琴. 锂离子电池产热和热诱导失控特性实验研究[D]. 合肥: 中国科学技术大学， 2018.[9] 刘兵. 电动汽车锂离子电池热特性分析及液冷性能优化[D]. 镇江: 江苏大学，2019.[10] 赵文销，吴双群，赵丹平，等. 车用电池箱液冷系统仿真设计[J]. 汽车实用技术，2015(7): 70-73.

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备注/Memo

备注/Memo:
【收稿日期】2020-02-15【作者简介】南银姬（1985－），女，东风柳州汽车有限公司工程师，研究方向为动力电池设计。
更新日期/Last Update: 2020-08-05