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Thermodynamic evaluation of liquid metals as heat transfer fluids in concentrated solar power plants Original Research Article

Pacio, J. and Singer, Csaba and Wetzel, Th. and Uhlig, Ralf (2013) Thermodynamic evaluation of liquid metals as heat transfer fluids in concentrated solar power plants Original Research Article. In: Applied Thermal Engineering (Volume 60), Issues 1-2, 2 October 2013, pp. 295-302. X, X.

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Abstract

Concentrated solar power, and in particular central receiver systems, can play a major role as a renewable energy source with the inherent possibility of including a thermal energy storage subsystem for improving the plant dispatchability. While current commercial projects are dominated by direct steam generation and molten nitrate salt concepts, next-generation systems will require higher operating temperature and larger heat-flux densities in order to increase the efficiency and reduce costs. In that context, liquid metals are proposed in this work as advanced heat transfer fluids that can face those challenges. The main advantages, regarding higher temperature and improved heat transfer performance, are discussed and quantified using simplified models. Indirect thermal storage solutions are proposed for compensating their relatively small heat capacity. Overall, provided that some practical challenges can be overcome, liquid metals present large potential as efficient heat transfer fluids.

Item URL in elib:https://elib.dlr.de/85739/
Document Type:Conference or Workshop Item (Lecture)
Title:Thermodynamic evaluation of liquid metals as heat transfer fluids in concentrated solar power plants Original Research Article
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Pacio, J.Karlsruhe Institute of Technology, Institute for Nuclear and Energy TechnologiesUNSPECIFIED
Singer, Csabacsaba.singer (at) dlr.deUNSPECIFIED
Wetzel, Th.Karlsruhe Institute of Technology, Institute for Nuclear and Energy TechnologiesUNSPECIFIED
Uhlig, Ralfralf.uhlig (at) dlr.deUNSPECIFIED
Date:October 2013
Journal or Publication Title:Applied Thermal Engineering (Volume 60)
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Volume:Issues 1-2, 2 October 2013
Page Range:pp. 295-302
Series Name:Elsevier Ltd. All rights reserved.
Status:Published
Keywords:CSP - concentrated solar power Liquid metal Heat transfer High temperature Efficiency
Event Title:X
Event Location:X
Event Type:international Conference
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:Concentrating Solar Systems (old)
DLR - Research area:Energy
DLR - Program:E SF - Solar research
DLR - Research theme (Project):E - Punktfokussierende Systeme (old)
Location: Stuttgart
Institutes and Institutions:Institute of Solar Research > Punktfokussierende Systeme
Deposited By: Uhlig, Tamara
Deposited On:29 Nov 2013 14:14
Last Modified:08 May 2014 23:16

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