Experimental study of a novel double-effect evaporation concentration system for high temperature heat pump

Desalination ◽  
2020 ◽  
Vol 491 ◽  
pp. 114495
Author(s):  
Chenghu Zhang ◽  
Jianfeng Wu ◽  
Jiahao Gao ◽  
Xinpeng Huang
Keyword(s):  
Experimental Study ◽  
High Temperature ◽  
Heat Pump ◽  
Double Effect ◽  
Temperature Heat ◽  
Evaporation Concentration ◽  
High Temperature Heat Pump

Experimental Study on the Drying Performance of the High Temperature Heat Pump Dryer

2012 ◽  
Vol 550-553 ◽  
pp. 3219-3223
Author(s):  
Xing Wang Zhu ◽  
Chun Xia Hu ◽  
Zhi Min Guo ◽  
Yu Gui Su
Keyword(s):  
High Temperature ◽  
Heat Pump ◽  
External Environment ◽  
Stable Operation ◽  
Obvious Effect ◽  
Electromagnetic Valve ◽  
Exhaust Temperature ◽  
Temperature Heat ◽  
High Temperature Heat Pump

In this paper，a high temperature heat-pump dryer and a corresponding semi-enclosed test drying room for using the dryer are built up respectively. While the average dry bulb of the external environment is 25°C and the relative humidity is 55%, the performance of the dryer is obtained when the dryer is running continuously for five hours. The results show that: the electromagnetic valve-capillary institution has an obvious effect on the lower the dryer exhaust temperature. It makes the suction temperature of compressor dropped 10 °C~15 °C, which can reduce the exhaust temperature and prevent compressor’s overheating. When the exhaust temperature keep at 100~110 °C, it can not only guarantee the temperature of wind coming from the dryer is high, but also can make sure the drying system’s long-term stable operation.

Analysis of a high temperature heat pump using BY-5 as refrigerant

2017 ◽  
Vol 127 ◽  
pp. 1461-1468 ◽  
Author(s):  
Yan Zhang ◽  
Yufeng Zhang ◽  
Xiaohui Yu ◽  
Jing Guo ◽  
Na Deng ◽  
...  
Keyword(s):  
High Temperature ◽  
Heat Pump ◽  
Temperature Heat ◽  
High Temperature Heat Pump

High-Temperature Heat Pump for Aircraft Engine Oil Cooling

2019 ◽  
Vol 33 (2) ◽  
pp. 472-482 ◽  
Author(s):  
S. Maalouf ◽  
A. Isikveren ◽  
P. Dumoulin ◽  
N. Tauveron ◽  
N. Cotereau
Keyword(s):  
High Temperature ◽  
Heat Pump ◽  
Aircraft Engine ◽  
Engine Oil ◽  
Temperature Heat ◽  
High Temperature Heat Pump

Analysis of suitability ranges of high temperature heat pump working fluids

2019 ◽  
Vol 150 ◽  
pp. 628-640 ◽  
Author(s):  
Guido Francesco Frate ◽  
Lorenzo Ferrari ◽  
Umberto Desideri
Keyword(s):  
High Temperature ◽  
Heat Pump ◽  
Working Fluids ◽  
Temperature Heat ◽  
High Temperature Heat Pump
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