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Numerical Simulation of a Scroll Expander for Use in a Rankine Cycle
Lemort, Vincent; Quoilin, Sylvain; Lebrun, Jean
2008
Peer reviewed
 

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Keywords :
Scroll expander; Rankine cycle
Abstract :
[en] This paper presents two simulation models of scroll expanders for use in heat recovery Rankine cycle applications: a detailed reference model and a simplified model. The reference model associates a detailed geometrical description of the expander to a thermodynamic modeling of the expansion process in the machine. Due to large computational effort, the reference model is not appropriate for simulation of the entire Rankine cycle system. The paper shows how a simplified model can be built from the reference model. This model involves a limited number of parameters, which describe the main features of the machine. An experimental study is carried out on a prototype of Rankine cycle working with HCFC-123. Based on detailed measurements, the validation of both models is conducted. It is found that both models are able to predict the mass flow rate, the delivered shaft power and the discharge temperature with a good accuracy.
Disciplines :
Mechanical engineering
Author, co-author :
Lemort, Vincent  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Thermodynamique appliquée
Quoilin, Sylvain  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Thermotechnique
Lebrun, Jean ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Département d'aérospatiale et mécanique
Language :
English
Title :
Numerical Simulation of a Scroll Expander for Use in a Rankine Cycle
Publication date :
2008
Event name :
The 19th International Compressor Engineering Conference
Event place :
Purdue, United States
Audience :
International
Peer reviewed :
Peer reviewed
Available on ORBi :
since 26 November 2008

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