Performance improvement of a transcritical CO₂ refrigeration cycle using two-stage thermoelectric modules in sub-cooler and gas cooler

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• 作者：Siamak Jamali ; Mortaza Yari ; ^{myari@tabrizu.ac.ir} ; Farzad Mohammadkhani
• 关键词：Transcritical CO2 ; TEG ; TEC ; Thermoelectric sub-cooling ; Optimization
• 刊名：International Journal of Refrigeration
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：74
• 期：Complete
• 页码：105-115
• 全文大小：2613 K
• 卷排序：74

文摘

A novel configuration for transcritical cooling cycle is presented and analyzed. TEG and TEC are used for recovering waste heat and sub-cooling, respectively. Four configurations are studied and about 20% improvement in COP is achieved. Pressure ratio is lower than traditional cycle in maximum exergy efficiency.