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Semi-empirical correlation to model heat losses along solar parabolic trough collectors
Dickes, Rémi; Lemort, Vincent; Quoilin, Sylvain
2015In Proceedings of ECOS 2015
Peer reviewed
 

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Keywords :
CSP; concentrated solar power; PTC; Parabolic trough; Heat losses; semi-empirical correlation
Abstract :
[en] Solar thermal power plants convert sunshine energy into useful heat and electricity by means of solar collectors and a thermodynamic cycle. Among the different solar collector technologies, parabolic troughs are nowadays the most widespread together with solar towers. In order to improve the computation speed required to simulate the temperature profile along solar parabolic trough collectors, a correlation estimating the effective heat losses of the receiver is an essential tool. However, the relations found in the literature lack accuracy and do not translate effectively the effects of the operating conditions in all cases. In this work, an alternative correlation is proposed and calibrated with the results of a deterministic model. Better fitting performance is demonstrated when compared to the prediction of the pre-existing correlations. The benefits and limitations of the new correlation are finally assessed.
Research Center/Unit :
Energy Systems Research Unit - Laboratoire de thermodynamique (ULiège)
Disciplines :
Energy
Author, co-author :
Dickes, Rémi ;  Université de Liège > Département d'aérospatiale et mécanique > Systèmes énergétiques
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 :
Semi-empirical correlation to model heat losses along solar parabolic trough collectors
Alternative titles :
[fr] Corrélation semi-empirique pour modéliser les pertes thermiques dans des collecteurs solaires cylindro-paraboliques
Publication date :
July 2015
Event name :
28th ECOS conference
Event organizer :
Le LaTEP et le ENSGTI
Event place :
Pau, France
Event date :
du 30 juin 2015 au 4 juillet 2015
Audience :
International
Main work title :
Proceedings of ECOS 2015
Peer reviewed :
Peer reviewed
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
Available on ORBi :
since 10 June 2015

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