Technical, economic and environmental investigation on heating performance of quasi-two stage compression air source heat pump in severe cold region

2020 ◽  
Vol 223 ◽  
pp. 110152 ◽  
Author(s):  
Wenzhe Wei ◽  
Long Ni ◽  
Chaohui Zhou ◽  
Wei Wang ◽  
Laifu Xu ◽  
...  
Keyword(s):  
Heat Pump ◽  
Cold Region ◽  
Two Stage ◽  
Heating Performance ◽  
Environmental Investigation ◽  
Air Source Heat Pump

scholarly journals Performance analysis of a two-stage variable capacity air source heat pump and a horizontal loop coupled ground source heat pump system

2021 ◽  
Author(s):  
Amir Alizadeh Safa
Keyword(s):  
Heat Pump ◽  
Ground Source Heat Pump ◽  
Outdoor Temperature ◽  
Cooling Mode ◽  
Two Stage ◽  
Pump System ◽  
Air Source Heat Pump ◽  
Ground Source ◽  
Variable Capacity ◽  
Heating Mode

The thermal performance of a new two-stage variable capacity air source heat pump (ASHP) and a horizontal ground loop ground source heat pump (GSHP) was investigated side-by-side at the Archetype Sustainable Twin Houses located in Toronto, Canada. The heat pumps were tested in cooling mode, as well as heating mode under extreme winter conditions. In cooling mode, the ASHP COP ranged from 4.7 to 5.7 at an outdoor temperature of 33 degrees C and 16 degrees C respectively, while the GSHP COP ranged from 4.9 (at an ELT of 8.5 degrees C and EST of 19.2 degrees C) to 5.6 (at an ELT of 12. 4 degrees C and EST of 17.8 degrees C). In heating mode, the ASHP COP ranged from 1.79 to 5.0 at an outdoor temperature of -19 degrees C and 9 degrees C respectively, while the GSHP COP ranged from 3.05 (at an ELT of 44.4 degrees C and an EST of 2.7 degrees C) to 3.44 (at an ELT of 41.5 degrees C and an EST of 5.48 degrees C) during the earlier winter test period. Data extrapolation and energy simulation was also performed to predict annual heat pump performance in Toronto as well as other Canadian regions.

scholarly journals Research on PV/T – Air Source Heat Pump Integrated Heating System in Severe Cold Region

2016 ◽  
Vol 146 ◽  
pp. 410-414 ◽  
Author(s):  
Chihong Cao ◽  
Huixing Li ◽  
Guohui Feng ◽  
Ran Zhang ◽  
Kailiang Huang
Keyword(s):  
Heat Pump ◽  
Heating System ◽  
Cold Region ◽  
Air Source Heat Pump

scholarly journals Experiment Study on Heating Performance of Solar-Air Source Heat Pump Unit

2017 ◽  
Vol 205 ◽  
pp. 3873-3878 ◽  
Author(s):  
Fengzhen Liu ◽  
Liang Wang ◽  
Qiang Wang ◽  
Hongfei Wang
Keyword(s):  
Heat Pump ◽  
Experiment Study ◽  
Pump Unit ◽  
Heating Performance ◽  
Air Source Heat Pump ◽  
Heat Pump Unit
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