Parametric study and performance evaluation of an organic Rankine cycle (ORC) system using low-grade heat at temperatures below 80 °C

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• 作者：Dong Kyu Kim ; Ji Sung Lee ; Jinwoo Kim ; Mo Se Kim ; Min Soo Kim ; ^{minskim@snu.ac.kr}
• 关键词：Organic Rankine cycle ; Low-grade heat ; Scroll expander ; Parametric study ; Performance map
• 刊名：Applied Energy
• 出版年：2017
• 出版时间：1 March 2017
• 年：2017
• 卷：189
• 期：Complete
• 页码：55-65
• 全文大小：2467 K
• 卷排序：189

文摘

Parametric study of small low-temperature organic Rankine cycle system is conducted. R245fa is used as working fluid, and scroll expander as a power generation device. System performance increases and then decreases with increasing refrigerant charge. System performance increases with increasing pressure ratio and mass flow rate. System power and efficiency decrease with increasing heat sink temperature.