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  • 标题:Thermal performance analysis of a reheating-regenerative organic Rankine cycle using different working fluids
  • 本地全文:下载
  • 作者:Goodarzi ; M. Soltani ; H. Dehghani
  • 期刊名称:Mechanika
  • 印刷版ISSN:1392-1207
  • 出版年度:2015
  • 卷号:21
  • 期号:1
  • 页码:28-33
  • DOI:10.5755/j01.mech.21.1.10127
  • 语种:English
  • 出版社:Kauno Technologijos Universitetas
  • 摘要:Higher efficiency and optimal utilization of low-temperature heat sources, such as geothermal energy, re-quires a careful selection of working fluid and improving organic Rankine cycle (ORC). This article concerns with analyzing a new reheating-regenerative ORC. Present study considers selection of optimal working fluid and evaluation of the optimal reheating pressure ratio. It inves-tigates the influence of the turbine inlet temperature on thermal and exergy efficiencies. Results show that reheat-ing process can improve thermal performance of ORC. Derived curves for thermal and exergy efficiencies show that optimal reheating pressure ratio does not depend on turbine inlet temperature, but slightly increases with the critical temperature of the working fluid.
  • 关键词:Organic Rankine cycle; reheating pressure; Thermal efficiency; exergy efficiency; dry hydrocarbon.
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