摘要
为研究在冬季超低温极端工况下纯电动客车热泵空调系统性能衰减严重的问题,搭建了一台准二级压缩原理的热泵空调系统。结果表明:车外环境温度7.00~-20.00℃工况,低压补气排气温度比不补气的排气温度下降11.80~20.45℃,制热量和COP_(h)分别提高了0.65~0.93 kW和0.14~0.31。
In order to study the severe degradation of the performance of pure electric bus heat pump air conditioning systems under extreme low temperature conditions in winter,a heat pump air conditioning system with a quasi-secondary compression principle was built.The results show that when the ambient temperature of the vehicle is 7.0-20.0 ℃,the exhaust temperature of the system with low-pressure supplementary is 11.80-20.45 ℃ lower than that without supplementary.The heating capacity and C OP_(h) increase 0.65-0.93 kW and 0.14-0.31 respectively.
作者
周光辉
常桂铭
李海军
苏之勇
时帅领
禹佩利
刘盼盼
ZHOU Guanghui;CHANG Guiming;LI Haijun;SU Zhiyong;SHI Suailing;YU Peili;LIU Panpan(School of Energy and Environment,Zhongyuan University of Technology,Zhengzhou 450007,China;High Efficiency Refrigeration and Air Conditioning Engineering Center,Zhongyuan University of Technology,Zhengzhou 450007,China;Xiangsihu College,GuangXi University for Nationalities,Nanning 530000,China)
出处
《热科学与技术》
CAS
CSCD
北大核心
2021年第5期511-515,共5页
Journal of Thermal Science and Technology
基金
河南省高等学校供热空调重点学科开放实验室研究基金资助项目(2017HAC201,2017HAC203)。
关键词
低压补气
准二级压缩
热泵空调
制热
low pressure secondary air injection
quasi-secondary compression
heat pump air-conditioning
heating
