[en] Organic Rankine cycles (ORC) are an effective way to convert low-medium temperature heat to electricity that cannot be used for conventional high-temperature Rankine cycles. Even though there has been many studies of ORC systems over the past few decades, ORC heat sources have received relatively little attention. The heat sources providing energy to the ORC have different characteristics that significantly impact the theoretical analyses and system designs of ORC systems. This paper gives a theoretical categorization of heat sources to give uniform boundary conditions for further theoretical studies on cycle choices and working fluid screening. The ideal cycles for each heat source type are analyzed. Performance metrics are recommended for different heat source ORC systems. The general characteristics of the different heat sources including waste heat from industrial and power systems and geothermal, solar and biomass sources are given with their influences on the ORC systems. Finally, the market characteristics for ORC systems using different heat sources are reviewed with suggestions for future developments of ORC systems.
Disciplines :
Energy
Author, co-author :
Zhai, Huixing; Tsinghua University > Department of Thermal Engineering, > Key Laboratory for Thermal Science and Power Engineering of Ministry of Education
An, Qingsong; Tianjin University > Key Laboratory of Efficient Utilization of Low and Medium Grade Energy of Ministry of Education
Shi, Lin; Tsinghua University > Department of Thermal Engineering > Key Laboratory for Thermal Science and Power Engineering of Ministry of Education
Lemort, Vincent ; Université de Liège > Département d'aérospatiale et mécanique > Systèmes énergétiques
Quoilin, Sylvain ; Université de Liège > Département d'aérospatiale et mécanique > Systèmes énergétiques
Language :
English
Title :
Categorization and analysis of heat sources for organic Rankine cycle systems
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