| 许翔,王丹,徐俊芳,王普凯,刘刚.车辆冷却系统高原热平衡性能研究[J].装备环境工程,2021,18(2):1-5. XU Xiang,WANG Dan,XU Jun-fang,WANG Pu-kai,LIU Gang.Study on the Heat Balance Performance of Vehicle Cooling System at Altitude Conditions[J].Equipment Environmental Engineering,2021,18(2):1-5. |
| 车辆冷却系统高原热平衡性能研究 |
| Study on the Heat Balance Performance of Vehicle Cooling System at Altitude Conditions |
| 投稿时间：2020-08-06 修订日期：2020-10-19 |
| DOI：10.7643/issn.1672-9242.2021.02.001 |
| 中文关键词: 车辆 发动机 冷却系统 高海拔 散热 热平衡中图分类号:TK422 文献标识码:A 文章编号:1672-9242(2021)02-0001-05 |
| 英文关键词:vehicle engine cooling system high altitude heat dissipation heat balance |
| 基金项目:天津市科技支撑重点项目(20YFZCGX00580)，常州市领军人才创新项目(CQ20200020) |
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| Author | Institution |
| XU Xiang | CATARC Changzhou Automotive Engineering Research Institute Co., Ltd.Changzhou, Jiangsu 213164, China;CATARC Tianjin Automotive Engineering Research Institute Co., Ltd.Tianjin 300300, China |
| WANG Dan | CATARC Tianjin Automotive Engineering Research Institute Co., Ltd.Tianjin 300300, China |
| XU Jun-fang | CATARC Tianjin Automotive Engineering Research Institute Co., Ltd.Tianjin 300300, China |
| WANG Pu-kai | Army Academy of Armored Forces, Beijing 100072, China |
| LIU Gang | Army Military Transportation University, Tianjin 300161, China |
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| 中文摘要: |
| 目的 分析海拔高度(大气压力)、环境温度、冷却液温度以及冷却风量等对车辆冷却系统高原散热性能的影响。方法 采用模拟试验与仿真相结合的方法。结果 海拔升高1000 m，发动机水套散热量平均增加约5.3%；冷却液温度升高10 ℃，发动机水套散热量平均降低约14.5%；海拔升高1000 m，若保持发动机热平衡状态不变(出口冷却液温度恒定)，散热器入口冷却空气流量需增大约8.8%。结论 以发动机热平衡状态保持恒定为目标，计算得到了散热器冷却风量随发动机转速、负荷以及海拔高度的变化MAP图，为高原地区车辆冷却系统匹配设计以及优化提供了参考。 |
| 英文摘要: |
| This study aims to analyze the effects of altitude (atmospheric pressure), ambient temperature, coolant temperature and cooling air volume on the heat dissipation performance of vehicle cooling system at altitude conditions. The means of test and simulation were used to the study. The results show that, the heat dissipation from the engine water jacket increases by5.3% with the altitude increaseby 1,000 m; the heat dissipation from the engine water jacket decreases by 14.5% with the coolant temperature increase by 10 ℃. With the altitude increase by 1,000 m, if the engine heat balance state remains unchanged (outlet coolant temperature remains constant), the cooling air volume at radiator inlet should increase by about 8.8%. With the goal of keeping the engine heat balance constant, the MAP of cooling air volume of radiator changing with the engine speed, load and altitude was calculated, which provides a reference for the matching design and optimization of the vehicle cooling system at altitude conditions. |
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