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Slag as an inventory material for heat storage in a concentrated solar tower power plant: Final project results of experimental studies on design and performance of the thermal energy storage

Krüger, Michael and Haunstetter, Jürgen and Zunft, Stefan (2020) Slag as an inventory material for heat storage in a concentrated solar tower power plant: Final project results of experimental studies on design and performance of the thermal energy storage. In: 2019 International Conference on Concentrating Solar Power and Chemical Energy Systems, SolarPACES 2019, 2303, pp. 190022-1. American Institute of Physics (AIP). SolarPACES Conference, 01.-04. Okt. 2019, Daegu, Süd-Korea. doi: 10.1063/5.0029039. ISBN 978-073544037-1. ISSN 0094-243X.

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Official URL: https://aip.scitation.org/doi/abs/10.1063/5.0029039

Abstract

In order to strengthen the competitiveness of concentrated solar power plants, the development of costeffective storage options is indispensable. For power plants based on air receivers, the technology of direct-flow solid heat storage is an obvious choice. The heat storage inventory used is a significant cost factor for this technology. The use of slag from steel production could significantly improve the competitiveness of this technology. The ReSlag project deals with open questions on the suitability of electric arc furnace slag. This paper presents the final experimental investigations on a pilot scale for the use of sintered electric arc furnace slag in solid heat storage systems. The results of cyclic tests under different operating conditions as well as of standstill tests are presented and successfully compared with simulation results.

Item URL in elib:https://elib.dlr.de/139708/
Document Type:Conference or Workshop Item (Speech)
Title:Slag as an inventory material for heat storage in a concentrated solar tower power plant: Final project results of experimental studies on design and performance of the thermal energy storage
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Krüger, MichaelMichael.Krueger (at) dlr.dehttps://orcid.org/0000-0002-2187-8678
Haunstetter, JürgenJuergen.Haunstetter (at) dlr.dehttps://orcid.org/0000-0003-0212-3592
Zunft, StefanStefan.Zunft (at) dlr.dehttps://orcid.org/0000-0002-8499-3067
Date:11 December 2020
Journal or Publication Title:2019 International Conference on Concentrating Solar Power and Chemical Energy Systems, SolarPACES 2019
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
Volume:2303
DOI :10.1063/5.0029039
Page Range:pp. 190022-1
Publisher:American Institute of Physics (AIP)
ISSN:0094-243X
ISBN:978-073544037-1
Status:Published
Keywords:TES; Thermal Energy Storage; Slag; Regenerator; CSP; Solar Tower
Event Title:SolarPACES Conference
Event Location:Daegu, Süd-Korea
Event Type:international Conference
Event Dates:01.-04. Okt. 2019
HGF - Research field:Energy
HGF - Program:Materials and Technologies for the Energy Transition
HGF - Program Themes:High-Temperature Thermal Technologies
DLR - Research area:Energy
DLR - Program:E SP - Energy Storage
DLR - Research theme (Project):E - Thermochemical Processes
Location: Stuttgart
Institutes and Institutions:Institute of Engineering Thermodynamics > Thermal Process Technology
Deposited By: Krüger, Michael
Deposited On:15 Mar 2022 14:11
Last Modified:06 May 2022 13:38

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