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Experimental Study on the Performance Characteristics of a Scroll Expander for 1kW-class Organic Rankine Cycle
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 Title & Authors
Experimental Study on the Performance Characteristics of a Scroll Expander for 1kW-class Organic Rankine Cycle
Kim, Dokyun; Yun, Eunkoo; Yoon, Sang Youl; Kim, Kyung Chun;
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The performance characteristics of a scroll expander is the most important variable for the performance of organic Rankine cycle system. In this paper, the performance characteristics of a scroll expander was identified using 1kW class organic Rankine cycle system with various operating conditions. The ORC system is composed of an evaporator, a scroll expander, a condenser and a working fluid feed pump that uses R245fa as working fluid. The hot water temperature was controlled from to by the 50kW-class electric water-heater. The maximum isentropic efficiency of the scroll expander was measured about 77%, and the shaft power was measured from 0.5 kW to 1.8 kW according to heat source temperatures.
Performance Test;Organic Rankine Cycle(ORC);Scroll Expander;Low-grade Heat Recovery;Filling factor;
 Cited by
유기랭킨사이클용 소형 스크롤 팽창기 제작 및 성능 특성 연구,백승동;성태홍;이민석;김경천;

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