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Performance analysis of a novel control system for solar collectors coupled with sorption chillers / S. Saulich in International journal of refrigeration, Vol. 35 N° 3 (Mai 2012) 

Public ISBD [article]  in International journal of refrigeration > Vol. 35 N° 3 (Mai 2012) . - pp. 719–728 Titre : Performance analysis of a novel control system for solar collectors coupled with sorption chillers Titre original : Analyse de la performance d’un nouveau système de régulation des capteurs solaires couplés aux refroidisseurs à sorption Type de document : texte imprimé Auteurs : S. Saulich, Auteur ; U. Jakob, Auteur ; M.J. Cook, Auteur Année de publication : 2012 Article en page(s) : pp. 719–728 Note générale : Génie mécanique Langues : Anglais (eng) Mots-clés : Renewable  energy  Solar  collector  Sorption  system  Design  Efficiency  COP Résumé : This paper presents work on a holistic approach for improving the overall design of solar cooling systems. Newly developed methods for hydraulics and control were used to redesign an existing pilot plant. Measurements taken from the newly developed system show that target temperature control leads to an 81% increase of the Solar Cooling Efficiency (SCE) factor compared to the original pilot system. In addition to the improvements in system design, new efficiency factors for benchmarking solar cooling systems are presented. The Solar Supply Efficiency (SSE) factor provides a means of quantifying the quality of solar thermal charging systems relative to the usable heat to drive the sorption process. The product of the SSE with the already established COP of the chiller, leads to the SCE factor which, for the first time, provides a clear and concise benchmarking method for the overall design of solar cooling systems. ISSN : 0140-7007 En ligne : http://www.sciencedirect.com/science/article/pii/S0140700712000072 [article] Performance analysis of a novel control system for solar collectors coupled with sorption chillers = Analyse de la performance d’un nouveau système de régulation des capteurs solaires couplés aux refroidisseurs à sorption [texte imprimé] / S. Saulich, Auteur ; U. Jakob, Auteur ; M.J. Cook, Auteur . - 2012 . - pp. 719–728. Génie mécanique Langues : Anglais (eng) in International journal of refrigeration > Vol. 35 N° 3 (Mai 2012) . - pp. 719–728 Mots-clés : Renewable  energy  Solar  collector  Sorption  system  Design  Efficiency  COP Résumé : This paper presents work on a holistic approach for improving the overall design of solar cooling systems. Newly developed methods for hydraulics and control were used to redesign an existing pilot plant. Measurements taken from the newly developed system show that target temperature control leads to an 81% increase of the Solar Cooling Efficiency (SCE) factor compared to the original pilot system. In addition to the improvements in system design, new efficiency factors for benchmarking solar cooling systems are presented. The Solar Supply Efficiency (SSE) factor provides a means of quantifying the quality of solar thermal charging systems relative to the usable heat to drive the sorption process. The product of the SSE with the already established COP of the chiller, leads to the SCE factor which, for the first time, provides a clear and concise benchmarking method for the overall design of solar cooling systems. ISSN : 0140-7007 En ligne : http://www.sciencedirect.com/science/article/pii/S0140700712000072