Operation characteristic and performance comparison of organic Rankine cycle (ORC) for low-grade waste heat using R245fa, R123 and their mixtures
作者： Yong-qiang Feng , Tzu-Chen Hung , Ya-Ling He , Qian Wang , Shuang Wang
DOI: 10.1016/J.ENCONMAN.2017.04.048
关键词: Organic Rankine cycle 、 Rankine cycle 、 Thermodynamics 、 Mass fraction 、 Mass flow rate 、 Power consumption 、 Performance comparison 、 Thermal efficiency 、 Waste heat 、 Chemistry
摘要: Abstract The operation characteristic and performance comparison of low-grade organic Rankine cycle (ORC) using R245fa, R123 their mixtures have been investigated. heat source temperature is set to be 120 °C, while the mass flow rate controlled by adjusting pump frequency. basic parameters are first examined, detailed characteristics pure mixture working fluids addressed. system overall performance, including thermal efficiency generating efficiency, for explored. experimental results show that own a relatively higher power consumption enhancing also significant ORC application. Whether exhibit better thermodynamic than depend on fraction mixtures. 0.67R245fa/0.33R123 owns highest maximum net electricity output 1.67 kW, 4.38% R245fa 63.73% R123. Compared fluids, moderate economic performance.
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