Multi-criteria optimization of a micro solar-geothermal CCHP system applying water/CuO nanofluid based on exergy, exergoeconomic and exergoenvironmental concepts

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• 作者：Fateme Ahmadi Boyaghchi ; ^{fahmadi@alzahra.ac.ir} ; ^{aboyaghchi@gmail.com} ; Mansoure Chavoshi ^{mansoure.chavoshi@gmail.com}
• 关键词：Flat plate collector ; Organic Rankine cycle ; Ejector refrigeration ; Water/CuO nanofluid ; Environmental impact ; NSGA-II
• 刊名：Applied Thermal Engineering
• 出版年：2017
• 出版时间：5 February 2017
• 年：2017
• 卷：112
• 期：Complete
• 页码：660-675
• 全文大小：2402 K
• 卷排序：112

文摘

A solar-geothermal CCHP is modeled using exergoeconomic and exergoenvironmental concepts. ηex, ĊP,tot and ḂP,tot are selected as objective functions with twelve decision variables. The increment of nanoparticles volume fraction has a positive effect on all objective functions. NSGA-II is applied individually for R134a, R423A, R1234ze and R134yf.