RESEARCH ON CONDENSATION HEAT RECOVERY PERFORMANCE OF R410A MULTIFUNCTIONAL HEAT PUMP SYSTEM

被引：0
|
作者：
Luo, Qing [1 ,2 ]
Li, Jinping [1 ,2 ]
Deng, Yuping [3 ]
机构：
[1] Lanzhou Univ Technol, West Energy & Environm Res Ctr, Lanzhou 730050, Gansu, Peoples R China
[2] Lanzhou Univ Technol, Sch Energy & Power Engn, Lanzhou 730050, Gansu, Peoples R China
[3] Qingdao Hisense Hitachi Air Conditioning Syst Co, Qingdao 266510, Shandong, Peoples R China
来源：
FRESENIUS ENVIRONMENTAL BULLETIN | 2021年 / 30卷 / 05期
关键词：
Air conditioning; heat pump energy efficiency; Refrigerant; R410A;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
R410A multifunctional heat pump system is generally considered to have stronger heat recovery performance than R134A system. In this paper, two reagents are tested and compared. The experimental results show that the new system can reliably operate in the low-temperature heating range of -15 degrees C and above. The compressor exhaust temperature can be controlled between 56.3-83.0 degrees C. Unit heating capacity is increased by 17% compared to R134a system, and the overall energy efficiency above 0 degrees C is improved by 21%. The new system solves the problems of high exhaust temperature and severe attenuation of heating performance under low temperature conditions of the R134a system.
引用
收藏
页码：4850 / 4854
页数：5
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