车载移动冷柜系统蒸发器性能研究  

Analysis and optimization research of vehicle-mounted mobile refrigerator

作　　者：郑慧凡[1] 田国记 王聪民[1] 陈银龙[1] 范晓伟[1] Zheng Huifan Tian Guoji Wang Congmin Chen Yinlong Fan Xiaowei(Energ. and Envir. Dept. , Zhongyuan Institute of Technology, Zhengzhou 450007, China School of Envir. ＆ Munic. Eng. , Xi＇an Univ. of Arch. ＆ Tech. , Xi＇an 710055, China)

机构地区：[1]中原工学院能源与环境学院,郑州450007 [2]西安建筑科技大学环境与市政工程学院,西安710055

出　　处：《低温与超导》2016年第11期69-74,共6页Cryogenics and Superconductivity

基　　金：国家自然科学基金(51306214);河南省高校科技人才支持计划(14HASTIT003);河南省科技攻关项目(162102210091);河南省高等学校供热空调开放实验室开放课题(2016HAC202);中国纺织工业联合会科技指导性项目计划(2016087)资助

摘　　要：基于CFD软件,建立车载移动冷柜系统蒸发器仿真计算模型,并实验验证模型的准确性,选取R134a为工质,计算分析了不同质量流量对柜内温度分布的影响。研究表明:环境温度为305K,质量流量为20kg/m2·s^22kg/m2·s时,运行15min后,箱体内平均温度接近273K;当运行2h后,最低温度约248K,且温度分布均匀;最快冷却速度为0.5h,比国家标准提高了2.5h。In this paper the evaporator and cabient temperature distribution analysis model was established based on CFD software, verified with experimental test data. The R134a was selected as refrigerant. The influence of different flow mass on the temperature distribution was analysed. The study shows that the average temperature of the vehicle - mounted mobile refrigerator is 273K after operation 15min when the environment temperature is 305K and the flow mass rang is 21kg/m^2·s- 22kg/m^2·s. The temperature can reach 248K and uniformly temperature distribution is obtained after operation 2h. Furthermore the fast cool- ing speed is 0. 5h,and enhance about 2.5h compared with national standard.

关 键 词：移动冷柜 仿真 温度分布 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]