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Thermal storage concept for solar thermal power plants with direct steam generation

Seitz, Markus and Cetin, Paul and Eck, Markus (2013) Thermal storage concept for solar thermal power plants with direct steam generation. SolarPACES 2013, 17.-20. Sep. 2013, Las Vegas, USA.

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Abstract

One possibility to increase the efficiency and thus economic viability of solar thermal power plants is to increase their operating temperature. This approach demands the substitution of the state-of-the-art heat transfer fluid that limits the operating temperature. If water/steam is uses as heat transfer fluid in a solar thermal power plant, the process can only be economic if there is a suitable thermal storage concept for direct steam generation. The poster shows a storage approach for such a solar thermal power plant. This storage consists of a latent PCM-Module for evaporating and a sensible three tank storage system with molten salt for pre- and superheating of the heat transfer fluid. This storage layout considers the temperature depended change of the specific heat capacity of superheated steam.

Item URL in elib:https://elib.dlr.de/85264/
Document Type:Conference or Workshop Item (Poster)
Title:Thermal storage concept for solar thermal power plants with direct steam generation
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Seitz, Markusmarkus.seitz (at) dlr.deUNSPECIFIED
Cetin, PaulFerrostaal GmbHUNSPECIFIED
Eck, Markusmarkus.eck (at) dlr.deUNSPECIFIED
Date:September 2013
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Thermal energy storage, Phase change material, Molten salt, Concentrated solar power, Direct steam generation, System analysis
Event Title:SolarPACES 2013
Event Location:Las Vegas, USA
Event Type:international Conference
Event Dates:17.-20. Sep. 2013
HGF - Research field:Energy
HGF - Program:Efficient Energy Conversion and Use (old)
HGF - Program Themes:Energy-efficient Processes (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: Seitz, Markus
Deposited On:09 Dec 2013 14:40
Last Modified:08 May 2014 23:29

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