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Economic analysis and life cycle assessment of concrete thermal energy storage for parabolic trough power plants

Laing, Doerte and Steinmann, Wolf-Dieter and Viebahn, Peter and Gräter, Frieder and Bahl , Carsten (2010) Economic analysis and life cycle assessment of concrete thermal energy storage for parabolic trough power plants. Journal of Solar Energy Engineering, 132 (4), pp. 10131-10136. American Society of Mechanical Engineers (ASME). DOI: 10.1115/1.4001404 ISSN 0199-6231

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Abstract

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 in terms of investment and maintenance costs. One important aspect in storage development is the storage integration into the power plant. A modular operation concept for thermal storage systems was previously suggested by DLR, showing an increase in storage capacity of more than 100 %. However, in these investigations, the additional costs needed to implement this storage concept into the power plant, like for extra piping, valves, pumps and control had not been considered. These aspects are discussed in this paper, showing a decrease of levelized energy costs with modular storage integration of 2 to 3 %. In a Life Cycle Assessment (LCA) a comparison of an AndaSol-I type solar thermal power plant [1] with the original two-tank molten salt storage and with a “hypothetical” concrete storage shows an advantage of the concrete storage technology concerning environmental impacts. The environmental impacts of the “hypothetical” concrete based AndaSol-I decrease by 7 %, considering 1 kWh of solar electricity delivered to the grid. Regarding only the production of the power plant, the emissions decrease by 9.5 %.

Item URL in elib:https://elib.dlr.de/67247/
Document Type:Article
Title:Economic analysis and life cycle assessment of concrete thermal energy storage for parabolic trough power plants
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Laing, Doertedoerte.laing (at) dlr.deUNSPECIFIED
Steinmann, Wolf-Dieterwolf.steinmann (at) dlr.deUNSPECIFIED
Viebahn, Peterpeter.viebahn (at) wupperinst.orgUNSPECIFIED
Gräter, Friederfrieder.graeter (at) flagsol.deUNSPECIFIED
Bahl , Carstencarsten.bahl (at) zueblin.deUNSPECIFIED
Date:November 2010
Journal or Publication Title:Journal of Solar Energy Engineering
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:132
DOI :10.1115/1.4001404
Page Range:pp. 10131-10136
Publisher:American Society of Mechanical Engineers (ASME)
ISSN:0199-6231
Status:Published
Keywords:Thermal Energy Storage, Solid Media, Concrete, Modular Operation Concept, Life Cycle Assessment, 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:20 Dec 2010 13:52
Last Modified:08 Mar 2018 18:45

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