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Experimental Analysis of the Performance of Optimized Fin Structures in a Latent Heat Energy Storage Test Rig

Johnson, Maike and Hübner, Stefan and Reichmann, Carsten and Schönberger, Manfred and Fiss, Michael (2016) Experimental Analysis of the Performance of Optimized Fin Structures in a Latent Heat Energy Storage Test Rig. In: SolarPACES 2016. SolarPACES 2016, 11.-14. Okt. 2016, Abu Dhabi, UAE.

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Abstract

Energy storage systems are a key technology for developing a more sustainable energy supply system and lowering overall CO2 emissions. Among the variety of storage technologies, high temperature phase change material (PCM) storage is a promising option with a wide range of applications. PCM storages using an extended finned tube storage concept have been designed and techno-economically optimized for solar thermal power plant operations. These finned tube components were experimentally tested in order to validate the optimized design and simulation models used. Analysis of the charging and discharging characteristics of the storage at the pilot scale gives insight into the heat distribution both axially as well as radially in the storage material, thereby allowing for a realistic validation of the design. The design was optimized for discharging of the storage, as this is the more critical operation mode in power plant applications. The data show good agreement between the model and the experiments for discharging.

Item URL in elib:https://elib.dlr.de/110400/
Document Type:Conference or Workshop Item (Speech)
Title:Experimental Analysis of the Performance of Optimized Fin Structures in a Latent Heat Energy Storage Test Rig
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Johnson, Maikemaike.johnson (at) dlr.deUNSPECIFIED
Hübner, Stefanlinde agUNSPECIFIED
Reichmann, CarstenUNSPECIFIEDUNSPECIFIED
Schönberger, ManfredUNSPECIFIEDUNSPECIFIED
Fiss, Michaelmichael.fiss (at) dlr.deUNSPECIFIED
Date:October 2016
Journal or Publication Title:SolarPACES 2016
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:latent heat, direct steam Generation, Extended fin
Event Title:SolarPACES 2016
Event Location:Abu Dhabi, UAE
Event Type:international Conference
Event Dates:11.-14. Okt. 2016
Organizer:SolarPACES
HGF - Research field:Energy
HGF - Program:Storage and Cross-linked Infrastructures
HGF - Program Themes:Thermal Energy Storage
DLR - Research area:Energy
DLR - Program:E EV - Energy process technology
DLR - Research theme (Project):E - Thermochemical Processes (Storage) (old)
Location: Stuttgart
Institutes and Institutions:Institute of Engineering Thermodynamics > Thermal Process Technology
Deposited By: Johnson, Maike
Deposited On:10 Jan 2017 10:08
Last Modified:10 Jan 2017 10:08

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