A new frosting map of variable-frequency air source heat pump in severe cold region considering the variation of heating load

2020 ◽  
Vol 161 ◽  
pp. 184-199
Author(s):  
Wenzhe Wei ◽  
Long Ni ◽  
Shuyi Li ◽  
Wei Wang ◽  
Yang Yao ◽  
...  
Keyword(s):  
Heat Pump ◽  
Variable Frequency ◽  
Cold Region ◽  
Air Source Heat Pump ◽  
Heating Load

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

Feasibility Study about Solar Energy-Air Source Heat Pump System in Cold Region Rural Residential Applications

2014 ◽  
Vol 672-674 ◽  
pp. 113-116 ◽  
Author(s):  
Kun Ru Ma ◽  
Lu Jin ◽  
Li Juan Yan
Keyword(s):  
Heat Pump ◽  
Residential Area ◽  
Heating Season ◽  
Cold Region ◽  
Pump System ◽  
Heat Pump System ◽  
Air Source Heat Pump ◽  
Fluctuation Range ◽  
Collecting Efficiency ◽  
Guarantee Rate

This paper proposes a solar-air compound source heat pump system, for the rural residential area of Hebei and independent villas. The system can realize heating in winter and refrigerating in summer, and demand of heat water. This paper simulates and analyzes the winter heating situation of this system. The entire heating season, heat collecting efficiency of the solar collector is 0.45 in average, and solar guarantee rate is 46%. Solar-air compound source heat pump system average COP is 4.5 in the heating season, increased by 26% than the air source heat pump system run separately , and the fluctuation range is small. Throughout the heating season, the contribution of solar collectors is 59%, the contribution of air source heat pump is 41%.

Energy-saving analysis of air source heat pump integrated with a water storage tank for heating applications

2020 ◽  
Vol 180 ◽  
pp. 107029
Author(s):  
Pin Wu ◽  
Zhichao Wang ◽  
Xiaofeng Li ◽  
Zhaowei Xu ◽  
Yingxia Yang ◽  
...  
Keyword(s):  
Energy Saving ◽  
Heat Pump ◽  
Storage Tank ◽  
Water Storage ◽  
Water Storage Tank ◽  
Air Source Heat Pump

Exergy-Based Ecological Optimization of an Irreversible Quantum Carnot Heat Pump with Spin-1/2 Systems

2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Xiaowei Liu ◽  
Lingen Chen ◽  
Yanlin Ge ◽  
Huijun Feng ◽  
Feng Wu ◽  
...  
Keyword(s):  
Heat Pump ◽  
Performance Comparison ◽  
Ecological Function ◽  
Performance Characteristics ◽  
Numerical Examples ◽  
Ecological Performance ◽  
Special Cases ◽  
Heating Load ◽  
Ecological Optimization

AbstractBased on an irreversible quantum Carnot heat pump model in which spin-1/2 systems are used as working substance, an exergy-based ecological function and some other important parameters of the model heat pump are derived. Numerical examples are provided to investigate its ecological performance characteristics. The influences of various irreversibility factors on the ecological performance are discussed. Performance comparison and discussion among maximum points of ecological function, heating load, and so on, are conducted. At last, three special cases are discussed.

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