INVESTIGATION OF A HYBRID COMPRESSION ABSORPTION HEAT PUMP SYSTEM FOR HIGH TEMPERATURES

被引：0
|
作者：
Wersland, Maria Byrkjedal [1 ]
Eikevik, Trygve [1 ]
Tolstorebrov, Ignat [1 ]
机构：
[1] NTNU, Dept Energy & Proc Engn, N-7491 Trondheim, Norway
来源：
13TH IIR GUSTAV LORENTZEN CONFERENCE ON NATURAL REFRIGERANTS: NATURAL REFRIGERANT SOLUTIONS FOR WARM CLIMATE COUNTRIES | 2018年
关键词：
hybrid compression-absorption; heat pump; high temperatures; ammonia-water;
D O I：
10.18462/iir.gl.2018.1283
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
This study introduces two simulation models for hybrid compression-absorption industrial heat pump cases: with two-stage piston compressor and a screw compressor. A heat source of 30 degrees C was utilized to achieve a heat sink outlet temperature of 115 degrees C. The circulation ratio was varied to evaluate the effect on the COP and heating capacity. The system with a two-stage piston compressor with intercooling obtained a COP of 2.04 with the circulation ratio 0.72, which was 42% of the Lorenz COP. The intermediate pressure and compressor cooling were optimized. The system with a screw compressor had a lower performance.
引用
收藏
页码：815 / 822
页数：8
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