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Jülich Solar Power Tower - Experimental Evaluation of the Storage Subsystem and Performance Calculations

Zunft, Stefan and Hänel, Matthias and Krüger, Michael and Dreissigacker, Volker and Göhring, Felix and Wahl, Eberhard (2010) Jülich Solar Power Tower - Experimental Evaluation of the Storage Subsystem and Performance Calculations. In: Proceedings of the SolarPACES 2010 conference. SolarPACES 2010, 21. Sep. - 24. Sep. 2010, Perpignan, Frankreich.

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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. 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. 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. Measurement data and simulation results are in good agreement, confirming the maturity of existing design tools.

Item URL in elib:https://elib.dlr.de/66720/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Jülich Solar Power Tower - Experimental Evaluation of the Storage Subsystem and Performance Calculations
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Zunft, Stefanstefan.zunft (at) dlr.deUNSPECIFIED
Hänel, MatthiasKBA-MetalprintUNSPECIFIED
Krüger, Michaelmichael.krueger (at) dlr.deUNSPECIFIED
Dreissigacker, Volkervolker.dreissigacker (at) dlr.deUNSPECIFIED
Göhring, Felixfelix.goehring (at) dlr.deUNSPECIFIED
Wahl, EberhardKBA-MetalprintUNSPECIFIED
Journal or Publication Title:Proceedings of the SolarPACES 2010 conference
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:TES, thermal energy storage, heat storage regenerator, solar central receiver power plant
Event Title:SolarPACES 2010
Event Location:Perpignan, Frankreich
Event Type:international Conference
Event Dates:21. Sep. - 24. Sep. 2010
Organizer:SolarPACES, CNRS
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: Zunft, Dr.-Ing. Stefan
Deposited On:01 Dec 2010 10:47
Last Modified:13 Jan 2011 12:25

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