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Solid Media Thermal Storage for Parabolic Trough Power Plants

Laing, Dörte und Steinmann, Wolf-Dieter und Tamme, Rainer und Richter, Christoph (2006) Solid Media Thermal Storage for Parabolic Trough Power Plants. Solar Energy, 80 (10), Seiten 1283-1289. Elsevier Ltd.. DOI: 10.1016/j.solener.2006.06.003. ISSN 0038-092X.

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Offizielle URL: http://www.sciencedirect.com/science/journal/0038092X


For parabolic trough power plants using synthetic oil as the heat transfer medium, the application of solid media sensible heat storage is an attractive option regarding investment and maintenance costs. In the project WESPE that is described in this paper, solid media sensible heat storage materials have been researched. Two storage systems with a storage capacity of about 350 kWh each and maximum temperatures of 390°C have been developed. The test storage units of WESPE are erected at the Plataforma Solar de Almeria in Spain. The thermal energy is provided by a parabolic trough loop with a maximum thermal power of 480 kW. The first tests were performed at storage temperatures up to 325°C by March of 2004; testing will be continued during 2004 to achieve the nominal operation conditions of 390°C and to gain experience for long term behaviour. These storage systems are composed of modules with two different storage materials to identify the characteristics of these materials. A tubular heat exchanger is integrated into the storage material. This heat exchanger demands a significant share of the investment costs. The selection of geometry parameters like tube diameter and number of tubes therefore play an important role in the optimisation. The design of the WESPE test module is based on results provided by a numerical tool for simulation of the transient performance of storage systems.

Titel:Solid Media Thermal Storage for Parabolic Trough Power Plants
AutorenInstitution oder E-Mail-Adresse der Autoren
Steinmann, Wolf-DieterNICHT SPEZIFIZIERT
Datum:August 2006
Erschienen in:Solar Energy
Referierte Publikation:Ja
In ISI Web of Science:Ja
DOI :10.1016/j.solener.2006.06.003
Seitenbereich:Seiten 1283-1289
HerausgeberInstitution und/oder E-Mail-Adresse der Herausgeber
International Solar Energy Society, NICHT SPEZIFIZIERT
Verlag:Elsevier Ltd.
Stichwörter:Thermal Storage, Solid media, Parabolic trough power plants
HGF - Forschungsbereich:Energie
HGF - Programm:Erneuerbare Energie
HGF - Programmthema:E SF - Solarforschung (alt)
DLR - Schwerpunkt:Energie
DLR - Forschungsgebiet:E SF - Solarforschung
DLR - Teilgebiet (Projekt, Vorhaben):E - Thermische Energiespeicher (alt)
Standort: Stuttgart
Institute & Einrichtungen:Institut für Technische Thermodynamik > Thermische Prozesstechnik
Hinterlegt von: Dörte Laing
Hinterlegt am:06 Feb 2007
Letzte Änderung:27 Apr 2009 13:27

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