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Comparative analysis of thermodynamic performance and optimization of organic flash cycle (OFC) and organic Rankine cycle (ORC)
- Authors
- Lee, Ho Yong; Park, Sang Hee; Kim, Kyoung Hoon
- Issue Date
- 5-May-2016
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Organic flash cycle; Organic Rankine cycle; Low grade source; Exergy efficiency; Exergy destruction; Optimization
- Citation
- APPLIED THERMAL ENGINEERING, v.100, pp.680 - 690
- Journal Title
- APPLIED THERMAL ENGINEERING
- Volume
- 100
- Start Page
- 680
- End Page
- 690
- ISSN
- 1359-4311
- Abstract
- A comparative thermodynamic performance and optimization analysis of basic organic flash cycle (OFCB), organic flash cycle with two-phase expander (OFCT), and organic Rankine cycle (ORC) activated by low temperature sensible energy is carried out in the subcritical pressure regions. The three substances of R245fa, R123, and o-xylene are considered as the working fluids. Effects of cycle type, working fluid, and evaporation and source temperatures are systemically investigated on the system performance such as net power production, thermal and exergy efficiencies, and exergy destruction ratios at each component of the systems. Results show that the cycle type or working fluid which shows optimum performance depends on the source temperature, and organic flash cycle shows a potential for efficient recovery of low grade energy source. (C) 2016 Elsevier Ltd. All rights reserved.
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Related Researcher
- Park, Sang Hee
- College of Engineering (Department of Mechanical Engineering)