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New Operating Strategies for Molten Salt in Line Focusing Solar Fields - Daily Drainage and Solar Preheating of Receivers

Eickhoff, Martin and Keller, Lothar and Meyer-Grünefeldt, Mirko (2016) New Operating Strategies for Molten Salt in Line Focusing Solar Fields - Daily Drainage and Solar Preheating of Receivers. AIP Conference Proceedings, 1734. American Institute of Physics (AIP). DOI: 10.1063/1.4949154  ISSN 0094-243X

Full text not available from this repository.

Official URL: http://dx.doi.org/10.1063/1.4949154 

Abstract

Nowadays molten salt is efficiently used in point concentrating solar thermal power plants. Line focusing systems still have the disadvantage of elevated heat losses at night because of active freeze protection of the solar field piping system. In order to achieve an efficient operation of line focusing solar power plants using molten salt, a new plant design and a novel operating strategy is developed for Linear Fresnel- and Parabolic Trough power plants. Daily vespertine drainage of the solar field piping and daily matutinal refilling of the solar preheated absorber tubes eliminate the need of nocturnal heating of the solar field and reduce nocturnal heat losses to a minimum. The feasibility of this new operating strategy with all its sub-steps has been demonstrated experimentally.

Item URL in elib:https://elib.dlr.de/108977/
Document Type:Article
Title:New Operating Strategies for Molten Salt in Line Focusing Solar Fields - Daily Drainage and Solar Preheating of Receivers
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Eickhoff, MartinMartin.Eickhoff (at) dlr.deUNSPECIFIED
Keller, Lotharlothar.keller (at) dlr.deUNSPECIFIED
Meyer-Grünefeldt, Mirkomirko.meyer-gruenefeldt (at) dlr.deUNSPECIFIED
Date:October 2016
Journal or Publication Title:AIP Conference Proceedings
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Volume:1734
DOI :10.1063/1.4949154 
Publisher:American Institute of Physics (AIP)
ISSN:0094-243X
Status:Published
Keywords:DISS, Molten Salt, Line Focusing Solar Field
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:Concentrating Solar Thermal Technology
DLR - Research area:Energy
DLR - Program:E SF - Solar research
DLR - Research theme (Project):E - Impact of Desert Environment (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Solar Research > Linienfokussierende Systeme
Deposited By: Kruschinski, Anja
Deposited On:05 Dec 2016 14:35
Last Modified:08 Mar 2018 18:19

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