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Jülich Solar Power Tower – Experimental Evaluation of the Storage Subsystem and Performance Calculation

Zunft, Stefan and Hänel, Matthias and Krüger, Michael and Dreißigacker, Volker and Göhring, Felix and Wahl, Eberhard (2011) Jülich Solar Power Tower – Experimental Evaluation of the Storage Subsystem and Performance Calculation. Journal of Solar Energy Engineering, Volumen 133 (Issue 3), pp. 1019-1023. American Society of Mechanical Engineers (ASME). DOI: 10.1115/1.4004358 ISSN 0199-6231

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Official URL: http://link.aip.org/link/?SLE/133/031019


Background. Storage technology based on solid media heated in direct contact – so called regenerators – are well suited to promote the market introduction of solar central receiver plants with air receivers. However, starting from existing technologies, several design issues need to be addressed. Method of Approach. A test campaign was performed at the Solar Power Tower Jülich, an experimental central receiver plant, to experimentally verify the functionality and to quantify the performance of the plant’s storage subsystem. To this end, a gas burner used during commissioning of the plant, was reactivated and used to run a series of operation sequences. Computer simulations have been set up and applied to retrace the storage behaviour to confirm the validity of the underlying models and to gain further insight into the relevant phenomena. Results. The test results confirm the full functionality of the storage subsystem, the ability to perform cycling at high discharge heat rates and relatively low heat losses, supporting the view that the technology represents a promising basis for up-scaled implementations. Conclusions. Measurement data and simulation results are in good agreement, confirming the maturity of existing design tools.

Item URL in elib:https://elib.dlr.de/69769/
Document Type:Article
Title:Jülich Solar Power Tower – Experimental Evaluation of the Storage Subsystem and Performance Calculation
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Zunft, Stefanstefan.zunft (at) dlr.deUNSPECIFIED
Hänel, MatthiasMatthias.Haenel (at) kba-metalprint.deUNSPECIFIED
Krüger, Michaelmichael.krueger (at) dlr.deUNSPECIFIED
Dreißigacker, Volkervolker.dreissigacker (at) dlr.deUNSPECIFIED
Göhring, Felixfelix.goehring (at) dlr.deUNSPECIFIED
Wahl, EberhardEberhard.Wahl (at) kba-metalprint.deUNSPECIFIED
Date:August 2011
Journal or Publication Title:Journal of Solar Energy Engineering
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Volume:Volumen 133
DOI :10.1115/1.4004358
Page Range:pp. 1019-1023
Publisher:American Society of Mechanical Engineers (ASME)
Keywords:TES, thermal energy storage, heat storage regenerator, solar central receiver 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 Solar Research
Institute of Engineering Thermodynamics
Institute of Engineering Thermodynamics > Thermal Process Technology
Deposited By: Krüger, Michael
Deposited On:01 Aug 2011 15:01
Last Modified:08 Mar 2018 18:45

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