车用动力电池组集总参数换热模型
A Lumped-parameter Model of Battery Pack Heat Transfer in Electric Vehicles
查看参考文献13篇
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文摘
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新能源车辆的发展和动力电池组热越来越突出的安全问题,促使了换热系统的研究需求。在考虑电池组自产热率的基础上,利用集总参数法建立了车用动力电池组换热规律的简化模型。以某动力电池组为例,运用该模型分析换热过程中的时间、流体温度、电池组温度、换热功率及换热量。分析结果用于评价现有换热系统是否合理,或运用该模型优化换热过程参数使得设计的换热系统合理。结果表明,恒定流体温度换热策略并不是最佳的换热策略。 |
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其他语种文摘
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With the booming development of the modern vehicle industry, the safety problem caused by heat generation of battery pack is more and more obvious, an effective heat transfer system needs to be developed. Based on analyzing the average heat generation rate of a battery pack, a heat transfer simplified model of battery pack is established using a lumped-parameter method. This model is used to analyze the following parameters of an actual battery pack: time interval, fluid temperature, battery pack average temperature, transient heat transfer power, and total heat. The calculated results can be used to evaluate whether the heat transfer system is effective, or make the heat transfer system reasonable by choosing the optimum heat transfer parameters. The results also indicate that the strategy of applying fluid with constant temperature in the heat transfer system is not the best. |
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来源
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兵工学报
,2014,35(2):145-151 【核心库】
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DOI
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10.3969/j.issn.1000-1093.2014.02.001
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关键词
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热学
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电动车
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电池组
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集总参数模型
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换热
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地址
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中国北方车辆研究所国家"863"电动车重大专项动力电池测试中心, 北京, 100072
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1000-1093 |
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学科
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能源与动力工程 |
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基金
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国家863计划
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文献收藏号
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CSCD:5092753
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