基于Fluent的鋰離子動(dòng)力電池箱二維熱模擬
發(fā)布時(shí)間:2018-11-27 12:49
【摘要】:根據(jù)單體鋰離子電池的生熱模型估算生熱率,并使用CFD軟件對(duì)35 Ah動(dòng)力錳酸鋰強(qiáng)迫風(fēng)冷電池箱建立二維有限元模型求解,得出溫度分布結(jié)果與流場(chǎng)分布結(jié)果。對(duì)該電池箱內(nèi)的溫度進(jìn)行了實(shí)驗(yàn)測(cè)量,對(duì)比分析了模擬和實(shí)驗(yàn)的結(jié)果,結(jié)果表明二維模擬結(jié)果與實(shí)驗(yàn)結(jié)果較為吻合,可用來(lái)初步研究電池箱內(nèi)的溫度分布。通過(guò)分析現(xiàn)有箱體內(nèi)部溫度分布情況,提出了電池箱散熱設(shè)計(jì)的優(yōu)化措施。
[Abstract]:Based on the heat generation model of single lithium ion battery, the heat generation rate was estimated, and a two-dimensional finite element model was established for 35 Ah dynamic lithium manganate forced air-cooled battery box with CFD software. The results of temperature distribution and flow field distribution were obtained. The temperature in the battery box is measured experimentally, and the simulation and experimental results are compared. The results show that the two-dimensional simulation results are in good agreement with the experimental results, and can be used to study the temperature distribution in the battery box. Based on the analysis of the internal temperature distribution of the existing case, the optimization measures for the heat dissipation design of the battery box are put forward.
【作者單位】: 北京交通大學(xué)電氣工程學(xué)院;中信國(guó)安盟固利動(dòng)力科技有限公司;
【分類(lèi)號(hào)】:TM912.9
[Abstract]:Based on the heat generation model of single lithium ion battery, the heat generation rate was estimated, and a two-dimensional finite element model was established for 35 Ah dynamic lithium manganate forced air-cooled battery box with CFD software. The results of temperature distribution and flow field distribution were obtained. The temperature in the battery box is measured experimentally, and the simulation and experimental results are compared. The results show that the two-dimensional simulation results are in good agreement with the experimental results, and can be used to study the temperature distribution in the battery box. Based on the analysis of the internal temperature distribution of the existing case, the optimization measures for the heat dissipation design of the battery box are put forward.
【作者單位】: 北京交通大學(xué)電氣工程學(xué)院;中信國(guó)安盟固利動(dòng)力科技有限公司;
【分類(lèi)號(hào)】:TM912.9
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