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Thermal Energy Storage for Direct Steam Generation

Laing, Doerte and Bahl, Carsten and Bauer, Thomas and Lehmann, Dorothea and Steinmann, Wolf-Dieter (2010) Thermal Energy Storage for Direct Steam Generation. Solar Energy. Elsevier.

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Parabolic trough power plants with direct steam generation are a promising option for future cost reduction in comparison to the SEGS type technology. These new solar thermal power plants require innovative storage concepts, where the two phase heat transfer fluid poses a major challenge. A three-part storage system is proposed where a phase change material (PCM) storage will be deployed for the two-phase evaporation, while concrete storage will be used for storing sensible heat, i.e. for preheating of water and superheating of steam. A storage system with a total storage capacity of approx. 1 MWh is described, combining a PCM module and a concrete module. The storage modules have been constructed for testing in a DSG-test facility specially erected at a conventional power plant of Endesa in Carboneras (Spain). Commissioning of the storage system started in May 2010; testing under real steam conditions around 100 bar will begin in August 2010.

Item URL in elib:https://elib.dlr.de/67966/
Document Type:Article
Title:Thermal Energy Storage for Direct Steam Generation
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Laing, Doertedoerte.laing (at) dlr.deUNSPECIFIED
Bahl, Carstencarsten.bahl (at) zueblin.deUNSPECIFIED
Bauer, Thomasthomas.bauer (at) dlr.deUNSPECIFIED
Lehmann, Dorotheadorothea.lehmann (at) dlr.deUNSPECIFIED
Steinmann, Wolf-Dieterwolf.steinmann (at) dlr.deUNSPECIFIED
Date:October 2010
Journal or Publication Title:Solar Energy
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Keywords:thermal energy storage, direct steam generation, latent heat storage, phase change material, concrete, parabolic trough power plant
HGF - Research field:Energy
HGF - Program:Efficient Energy Conversion (old)
HGF - Program Themes:E EV - Energy process technology (old)
DLR - Research area:Energy
DLR - Program:E EV - Energy process technology
DLR - Research theme (Project):E - Thermochemische Prozesse (old)
Location: Stuttgart
Institutes and Institutions:Institute of Engineering Thermodynamics > Thermal Process Technology
Deposited By: Laing, Dörte
Deposited On:10 Jan 2011 16:59
Last Modified:10 Jan 2019 15:50

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