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FLOW DISTRIBUTION CALCULATIONS IN REGENERATOR-TYPE HEAT STORAGE FOR SOLAR TOWER PLANTS

Zunft, Stefan and Hahn, Joachim and Kammel, Jannes and Dreißigacker, Volker (2011) FLOW DISTRIBUTION CALCULATIONS IN REGENERATOR-TYPE HEAT STORAGE FOR SOLAR TOWER PLANTS. SolarPACES2011, 20.-23.09.2011, Granada.

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Abstract

Abstract Regenerator-type storage is a self-evident technology choice for use with air-cooled central receiver power plants. Though well adaptable to the needs of this application, its design involves the risk of flow maldistribution resulting in unexpected performance losses. This paper describes CFD-based calculations used to elaborate the determining factors for flow distribution. These include: the shape of the dome, its geometry and the impact of inventory pressure loss. Parametric studies are performed for a cone-shaped distributor. Finally, correlations are derived to make the results exploitable for future designs.

Document Type:Conference or Workshop Item (Speech, Paper)
Title:FLOW DISTRIBUTION CALCULATIONS IN REGENERATOR-TYPE HEAT STORAGE FOR SOLAR TOWER PLANTS
Authors:
AuthorsInstitution or Email of Authors
Zunft, Stefanstefan.zunft@dlr.de
Hahn, JoachimTT-TPT-TK
Kammel, JannesTT-TPT-TK
Dreißigacker, VolkerTT-TPT-TK
Date:2011
Refereed publication:Yes
In ISI Web of Science:No
Status:Published
Keywords:Thermal energy storage TES, Heat storage regenerator, Central receiver plant, Solar central receiver power plants
Event Title:SolarPACES2011
Event Location:Granada
Event Type:international Conference
Event Dates:20.-23.09.2011
Organizer:SolarPACES
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 Technical Thermodynamics > Thermal Process Technology
Deposited By: Joachim Hahn
Deposited On:07 Nov 2011 15:15
Last Modified:01 Feb 2012 10:14

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