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Dynamic modeling of molten salt power towers

Flesch, Robert and Högemann, Daniel and Hackmann, Jonas Michael and Uhlig, Ralf and Schwarzbözl, Peter and Augsburger, Germain and Clark, Michael (2016) Dynamic modeling of molten salt power towers. SolarPACES 2016, 11.-14. Okt. 2016, Abu Dhabi, AE.

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A detailed understanding of the transient behavior of a receiver using molten salt as heat transfer fluid is of great importance for an efficient and safe operation. To analyze the transient operation a dynamic model for the flow in the receiver is currently under development, which will be capable to analyze the one-phase flow during normal operation and the two-phase flow during filling and draining. The model can be coupled to raytracing simulation in order to use a realistic flux density distribution as input for the model. In the paper the modelling approach for the receiver model is described shortly and validation results are discussed. This includes a detailed discussion of the heat transfer during the filling procedure, where an interesting phenomenon was discovered. Finally, the results for a parameter variation of the filling procedure and the simulation results for the impact of certain cloud events on the operation of the receiver are presented.

Item URL in elib:https://elib.dlr.de/108542/
Document Type:Conference or Workshop Item (Speech)
Title:Dynamic modeling of molten salt power towers
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Flesch, RobertRobert.Flesch (at) dlr.deUNSPECIFIED
Högemann, Danieldaniel.högemann (at) dlr.deUNSPECIFIED
Hackmann, Jonas MichaelJonas.Hackmann (at) dlr.deUNSPECIFIED
Uhlig, RalfRalf.Uhlig (at) dlr.deUNSPECIFIED
Schwarzbözl, PeterPeter.Schwarzboezl (at) dlr.deUNSPECIFIED
Augsburger, GermainGeneral ElectricUNSPECIFIED
Clark, MichaelGeneral ElectricUNSPECIFIED
Date:April 2016
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Solar Thermal Power Tower; Molten Salt Receiver; Dynamic Simulation; Tool Coupling; Receiver Filling; Cloud Events
Event Title:SolarPACES 2016
Event Location:Abu Dhabi, AE
Event Type:international Conference
Event Dates:11.-14. Okt. 2016
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:Concentrating Solar Thermal Technology
DLR - Research area:Energy
DLR - Program:E SF - Solar research
DLR - Research theme (Project):E - Advanced Heat Transfer Media (old)
Location: Jülich
Institutes and Institutions:Institute of Solar Research > Punktfokussierende Systeme
Deposited By: Uhlig, Tamara
Deposited On:01 Dec 2016 19:39
Last Modified:12 Jan 2017 17:00

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