Experimental study of solar assisted ground source heat pump system during space heating operation from morning to evening

2018 ◽  
Vol 32 (1) ◽  
pp. 391-398 ◽  
Author(s):  
Vikas Verma ◽  
K. Murugesan
Keyword(s):  
Experimental Study ◽  
Heat Pump ◽  
Space Heating ◽  
Ground Source Heat Pump ◽  
Pump System ◽  
Heat Pump System ◽  
Ground Source

Experimental Study on a Ground Source Heat Pump System in Cold Area

2011 ◽  
Vol 71-78 ◽  
pp. 2566-2571 ◽  
Author(s):  
Yi Liu ◽  
Ya Xuan Wang ◽  
Ya Ning Zhang
Keyword(s):  
Experimental Study ◽  
Heat Pump ◽  
Operation Time ◽  
Ground Source Heat Pump ◽  
Pump System ◽  
Heat Pump System ◽  
Ground Source ◽  
Cold Area

Experiment of a ground source heat pump system in cold area is studied in this paper. The results indicate that when the operation time increases to 100 hours, COPHP (COP of the heat pump) and COPSYS (COP of the system) decrease from 3.54 and 2.63 to 2.53 and 1.92, respectively. The average values of COPHP and COPSYS are 3.1 and 2.3, respectively. COPHP and COPSYS with 2 compressors at work are 11% and 12.2% higher than COPHP and COPSYS with 4 compressors at work, respectively. The average COPSYS with inverters is 6.42% higher than the COPSYS without inverters.

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