Reference : Design of a small-scale organic Rankine cycle engine used in a solar power plant
Scientific journals : Article
Engineering, computing & technology : Energy
http://hdl.handle.net/2268/149519
Design of a small-scale organic Rankine cycle engine used in a solar power plant
English
Georges, Emeline mailto [Université de Liège - ULiège > Département d'aérospatiale et mécanique > Systèmes énergétiques >]
Declaye, Sébastien mailto [Université de Liège - ULiège > Département d'aérospatiale et mécanique > Systèmes énergétiques >]
Dumont, Olivier mailto [Université de Liège - ULiège > Département d'aérospatiale et mécanique > Systèmes énergétiques >]
Quoilin, Sylvain mailto [Université de Liège - ULiège > Département d'aérospatiale et mécanique > Systèmes énergétiques >]
Lemort, Vincent mailto [Université de Liège - ULiège > Département d'aérospatiale et mécanique > Systèmes énergétiques >]
12-May-2013
International Journal of Low Carbon Technologies
Oxford University Press
Yes (verified by ORBi)
International
1748-1317
1748-1325
Oxford
United-Kingdom
[en] Organic Rankine cycle ; scroll expander ; small-scale solar power plant
[en] Under the economic and political pressure due to the depletion of fossil fuels and global warming
concerns, it is necessary to develop more sustainable techniques to provide electrical power. In this
context, the present study aims at designing, building and testing a small-scale organic Rankine cycle
(ORC) solar power plant ( 3 kWe) in order to define and optimize control strategies that could be
applied to larger systems. This paper presents a first step of the design of the solar power plant and focuses
more specifically on the ORC engine. This design is defined on the basis of simulation models of the ORC
engine and takes into account some technical limitations such as the allowed operating ranges and the
technical maturity of the components. The final configuration includes a diaphragm pump, two plate heat
exchangers for the regenerator and the evaporator, an air-cooled condenser, two hermetic scroll expanders
in series and R245fa as the working fluid. Simulations indicate that an efficiency close to 12% for the ORC
engine can be reached for evaporating and condensing temperatures of 140 and 358C, respectively.
http://hdl.handle.net/2268/149519
10.1093/ijlct/ctt030
http://ijlct.oxfordjournals.org/content/early/2013/05/11/ijlct.ctt030.abstract

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