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http://dx.doi.org/10.3795/KSME-B.2013.37.12.1137

Exergy Analysis of Vapor Compression Cycle Driven by Organic Rankine Cycle  

Kim, Kyoung Hoon (Dept. of Mechanical Engineering, Kumoh Nat'l Institute of Technology)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.37, no.12, 2013 , pp. 1137-1145 More about this Journal
Abstract
In this study, exergy analysis of a thermally activated refrigeration cycle, a combined organic Rankine cycle (ORC), and a vapor compression cycle (VCC) were conducted. It is considered that a system uses a low-temperature heat source in the form of sensible heat, such as various renewable energy sources or waste heat from industries, and one of eight working fluids: R143a, R22, R134a, propane, isobutane, butane, R245fa, or R123. The effects of turbine inlet pressure and the working fluid selected on the exergy destructions (anergies) at various system components as well as the COP and exergy efficiency of the system were analyzed and discussed. The results show that the component of the greatest exergy destruction in the system varies sensitively with the turbine inlet pressure and/or working fluid.
Keywords
Exergy; Organic Rankine Cycle; Working Fluid; Low-Temperature Heat Source; Vapor Compression Cycle;
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Times Cited By KSCI : 2  (Citation Analysis)
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