Ionic liquids for microchannel membrane-based absorption heat pumps: Performance comparison and geometry optimization

2021 ◽  
Vol 239 ◽  
pp. 114213
Author(s):  
Chong Zhai ◽  
Yunren Sui ◽  
Zengguang Sui ◽  
Wei Wu
Keyword(s):  
Ionic Liquids ◽  
Geometry Optimization ◽  
Heat Pumps ◽  
Performance Comparison

Scroll Compressors for Heat Pumps: Application to Space Heating in New and Existing Residential Buildings

2004 ◽  
Author(s):  
Norbert Ka¨mmer
Keyword(s):  
Heat Pump ◽  
Energy Savings ◽  
Residential Buildings ◽  
Heat Pumps ◽  
Performance Comparison ◽  
Space Heating ◽  
Operational Parameters ◽  
Operational Conditions ◽  
Residential Space ◽  
Wide Operating

Heat pumps for residential space heating has become an increasingly important alternative to the conventional European heating systems like gas or oil burners. They offer the opportunity to reduce CO2 emission associated with heating residential homes in central and northern Europe as well as energy savings. The operational parameters for compressors in heat pumps are derived from different heat pump configurations. High compressor efficiency and a wide operating map is required so that an economically viable heat pump is achieved which meets the required operational conditions. The modifications to the basic refrigeration scroll compressor design are demonstrated. These dedicated compressor designs make it possible to achieve the required high condensing temperatures. A performance comparison with the standard compressor designs is presented and the available product range for the design of heat pump systems is shown.

Performance comparison of HFC227 and CFC114 in compression heat pumps

2003 ◽  
Vol 23 (12) ◽  
pp. 1559-1566 ◽  
Author(s):  
B. Rakhesh ◽  
G. Venkatarathnam ◽  
S. Srinivasa Murthy
Keyword(s):  
Heat Pumps ◽  
Performance Comparison

Liquid range temperature of ionic liquids as potential working fluids for absorption heat pumps

2015 ◽  
Vol 91 ◽  
pp. 127-135 ◽  
Author(s):  
M. Villanueva ◽  
J.J. Parajó ◽  
Pablo B. Sánchez ◽  
J. García ◽  
J. Salgado
Keyword(s):  
Ionic Liquids ◽  
Heat Pumps ◽  
Working Fluids
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