Comparative Analysis of Small-Scale Integrated Solar ORC-Absorption Based Cogeneration Systems

Xiaoqiang Hong and Feng Shi
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Xiaoqiang Hong: School of Architecture and Civil Engineering, Xiamen University, Xiamen 361005, China
Feng Shi: School of Architecture and Civil Engineering, Xiamen University, Xiamen 361005, China

Energies, 2020, vol. 13, issue 4, 1-15

Abstract: This paper aims to present a comparative study into the cascade and series configurations of the organic Rankine cycle based small-scale solar combined cooling, heating and power system for civil application. The energy performance of the systems is studied by developing a thermodynamic model. The simulation model is validated using the literature results. Analyses of the research results indicated that the cascade system can achieve maximum value of the primary energy efficiency of 13.4% for cooling and power generation under solar collecting temperature of 115 °C in cooling mode. The cascade system has more cooling output and less electricity output in cooling mode compared with the series system. In heating mode, the single solar organic Rankine cycle (ORC) operation can achieve highest primary energy efficiency of 19.6% for heating and power generation under solar collecting temperature of 100 °C. Systems with R141b as ORC working fluid show better performance than those with R123 and R1233zd(E).

Keywords: solar cooling; ORC; absorption chiller; CPC (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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