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엄홍선(Hong Sun Eom),윤천식(Cheon Seog Yoon),김영민(Young Min Kim) 대한설비공학회 2013 설비공학 논문집 Vol.25 No.4
An experimental study of an ORC (Organic Rankine Cycle) system has been performed for small-scale applications in the range of a few kW for low-grade-recovery heat sources. The ORC system was equipped with a scroll expander. Experimental tests were carried out using this system, and showed good performance and reliability for the small-scale system. The effects of various operating conditions were selected as the main parameters for the performance of ORC system, such as the expander speeds and mass flow rates of R-134a for expander inlet temperatures ranging from 100℃ to 190℃, as well as the thermal power, thermal efficiency, expansion efficiency, and volumetric efficiency.