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http://dx.doi.org/10.3795/KSME-B.2013.37.10.919

Development of Small-scale Organic Rankine Cycle System and Study on its Operating Characteristics  

Yun, Eunkoo (School of Mechanical Engineering, Pusan Nat'l Univ.)
Kim, Hyun Dong (MEMSTEC, Pusan Nat'l Univ.)
Yoon, Sang Youl (Rolls-Royce University Technology Centre, Pusan Nat'l Univ.)
Kim, Kyung Chun (School of Mechanical Engineering, Pusan Nat'l Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.37, no.10, 2013 , pp. 919-926 More about this Journal
Abstract
Experiments were conducted to determine the operating characteristics of a small-scale ORC (organic Rankine cycle) system for various low-temperature heat sources. A small-scale ORC power generation system adopting R-245fa as a working fluid was designed and manufactured. Hot water was used as the heat source, and the temperature was controlled using 110-kW electric resistance heaters that provided temperatures of up to $150^{\circ}C$. An open-drive oil-free scroll expander directly connected to a synchronous generator was installed in the ORC unit. Experiments were conducted by varying the rotational speed of the expander under the same heat source temperature conditions. The factors that influence the performance of the small-scale ORC system were analyzed and discussed.
Keywords
Organic Rankine Cycle; Scroll Expander; Thermal Efficiency; Isentropic Efficiency;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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