| 车用微小通道蒸发器一维仿真与试验 |
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| 引用本文： | 刘研,韩艳辉,徐云轩,孙柏林.车用微小通道蒸发器一维仿真与试验[J].同济大学学报(自然科学版),2018,46(12):1715-1721. |
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| 作者姓名： | 刘研 韩艳辉 徐云轩 孙柏林 |
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| 作者单位： | 吉林大学 汽车仿真与控制国家重点实验室，吉林 长春 130025；吉林大学 汽车工程学院，吉林 长春 130025,吉林大学 汽车工程学院，吉林 长春 130025,上海交通大学 机械与动力工程学院，上海 200240,吉林大学 汽车工程学院，吉林 长春 130025 |
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| 基金项目： | 国家自然科学基金项目（51376079） |
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| 摘 要： | 通过蒸发器制冷能力、通风阻力、蒸发器内阻一维仿真结果与试验值比较,发现制冷剂侧两相换热区、过热区、空气侧分别采用已有的换热关联式计算时,计算值与试验值吻合度较好,误差控制在5%以内.研究了百叶窗翅片的百叶窗开角、翅片间距、翅片高度以及扁管的通道宽度、通道数对蒸发器性能的影响.对蒸发器进行了结构优化,选取了一个综合性能最优的方案,使得通风阻力下降19%,蒸发器内阻下降8.4%,制冷能力提高130W.
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| 关 键 词： | 车用微小通道蒸发器 一维仿真 结构优化 |
| 收稿时间： | 2017/12/5 0:00:00 |
| 修稿时间： | 2018/11/11 0:00:00 |
One Dimensional Simulation and Experimental Study of Vehicle Micro Channel Evaporator |
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| LIU Yan,HAN Yanhui,XU Yunxuan and SUN Bolin.One Dimensional Simulation and Experimental Study of Vehicle Micro Channel Evaporator[J].Journal of Tongji University(Natural Science),2018,46(12):1715-1721. |
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| Authors: | LIU Yan HAN Yanhui XU Yunxuan and SUN Bolin |
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| Institution: | State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130025, China; College of Automotive Engineering, Jilin University, Changchun 130025, China,College of Automotive Engineering, Jilin University, Changchun 130025, China,Institute of Engineering Thermophysics, Shanghai Jiao Tong University, Shanghai 200240, China and College of Automotive Engineering, Jilin University, Changchun 130025, China |
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| Abstract: | By comparing the one dimensional simulation results of the evaporator refrigeration capacity, ventilation resistance and evaporator internal resistance with the experimental values, it is found that the Kew Cornwell heat exchange correlation in the two phase heat exchange zone of the refrigerant side, the Ditus Boeleter heat transfer correlation in the superheated area, and the Dong Junqi model in the air side are appropriate. The error is controlled within 5%. The influence of the opening angle of blinds, the spacing of fins and the height of fins, the width of the tube, the number of channels and the number of flat tubes in each process of evaporator on the performance of the evaporator are studied. According to the above analysis, the structure of the evaporator is optimized. Finally, a scheme with the best comprehensive performance is selected, which makes the ventilation resistance drop by 19%, the internal resistance of the evaporator drop by 8.4%, and the refrigeration capacity is increased by 130 W. |
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| Keywords: | vehicle micro channel evaporator one dimensional simulation structural optimization |
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