制冷剂充注量及阀开度对带气液分离器的CO_(2)汽车空调系统性能的影响  

Influences of Refrigerant Charge and Valve Opening on Performance of CO_(2) Automotive Air-conditioning system with Gas-liquid Separator

作　　者：张振宇 王丹东[2] 陈江平[2] 张立[3] ZHANG Zhenyu;WANG Dandong;CHEN Jiangping;ZHANG Li(Shanghai Highly Electrica1 Appliances Co.,Ltd.,Shanghai 201206,China;Institute of Refrigeration and Cryogenics,Shanghai Jiao Tong University,Shanghai 200240,China;Liyang Research Institute,Shanghai Jiao Tong University,Changzhou 213000,Jiangsu,China)

机构地区：[1]上海海立电器有限公司,上海201206 [2]上海交通大学低温与制冷工程研究所,上海200240 [3]上海交通大学溧阳研究院,江苏常州213000

出　　处：《制冷技术》2021年第3期49-54,77,共7页Chinese Journal of Refrigeration Technology

摘　　要：本文研究了制冷剂充注量及阀开度对带有气液分离器的CO_(2)汽车空调系统性能的影响,通过可视化的气液分离器观察在不同充注量下罐子里面的液位高低,研究了气液分离器对于系统性能的影响。研究发现充注量在1,100~1,500 g系统状态相对稳定,出现平台期。在不同充注量下,阀开度对高低压和系统性能的影响研究表明,低充注量下(400~1,000 g),阀开度对低压影响较大;高压充注量下(1,600 g以上),阀开度对高压的影响较大。The influences of refrigerant charge and valve opening on performance of CO_(2) automobile air-conditioning system with gas-liquid separator are studied in this paper.Visualized gas-liquid separator is used to observe the liquid level in different charge,and the effect of gas-liquid separator on system performance isstudied.It is found that the system state is relatively stable as the refrigerant charge is within between 1,100-1,500g,and the platform period appears.The research results on the effect of valve opening on pressure and systemperformance under different charges show that,the valve opening with low charge(400-1,000 g)has a greatinfluence on low pressure,and the valve opening with high charge(larger than 1,600 g)has a great influence onhigh pressure.

关 键 词：气液分离器 CO_(2) 阀开度 充注量 汽车空调 

分 类 号：TU831[建筑科学—供热、供燃气、通风及空调工程] TK172[动力工程及工程热物理—热能工程]