Cooling load and coefficient of performance optimizations for real air-refrigerators
作者： Youming Tu , Lingen Chen , Fengrui Sun , Chih Wu
DOI: 10.1016/J.APENERGY.2006.03.003
关键词:
摘要: Based on a simple irreversible variable-temperature heat reservoir air (Brayton) refrigeration cycle model, performance analysis and optimization of real refrigerator is carried out using finite-time thermodynamics. To maximize the cooling load coefficient (COP) cycle, allocation fixed total heat-exchanger inventory thermal-capacity rate matching between working fluid reservoirs are optimized, respectively. The influences pressure ratio, inventory, efficiencies compressor expander, thermal capacity ratio rates shown by numerical examples. results obtained provide guidances for design practical air-refrigeration plants.
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