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Performance Assessment of an Improved Open Volumetric Receiver Design with 250 MWth

Stadler, Hannes and Schwarzbözl, Peter and Maldonado Quinto, Daniel and Andlauer, Felix and Trautner, Johannes and Broeske, Robin Tim and Schrüfer, Johannes (2018) Performance Assessment of an Improved Open Volumetric Receiver Design with 250 MWth. 24th International SolarPACES Symposium, 2.-5. Okt. 2018, Casablanca, Marokko.

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Open volumetric receivers for central receiver power plants with air as heat transfer fluid have long been a niche development mainly due to the comparatively low efficiency of the state of the art. In the current study a novel receiver design for a 250 MW solar tower is presented which is optimised for reduced radiative losses and high air return ratios – a crucial parameter for obtaining high efficiencies of open volumetric receivers. With the help of a CFD model, which was recently specifically developed for the simulation of open volumetric receivers, the performance of the new receiver design was assessed. Under design conditions at a hot air temperature of 670°C the receiver efficiency based on the intercept on the absorber reaches 84.3 %. Under optimised conditions and a larger temperature difference between hot air and return air the efficiency exceeds 90 %.

Item URL in elib:https://elib.dlr.de/123901/
Document Type:Conference or Workshop Item (Speech)
Title:Performance Assessment of an Improved Open Volumetric Receiver Design with 250 MWth
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Stadler, HannesHannes.Stadler (at) dlr.dehttps://orcid.org/0000-0001-5122-4221
Schwarzbözl, Peterpeter.schwarzboezl (at) dlr.deUNSPECIFIED
Maldonado Quinto, Danieldaniel.maldonadoquinto (at) dlr.deUNSPECIFIED
Andlauer, FelixKraftanlagen MünchenUNSPECIFIED
Trautner, JohannesKraftanlagen München GmbH, Ridler Straße 31c, 80339 München, GermanyUNSPECIFIED
Broeske, Robin TimRobin.Broeske (at) dlr.deUNSPECIFIED
Schrüfer, Johannesjohannes.schruefer (at) kraftanlagen.comUNSPECIFIED
Date:October 2018
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Solare Turmkraftwerke, Offener volumetrischer Receiver, Cavityreceiver, CFD
Event Title:24th International SolarPACES Symposium
Event Location:Casablanca, Marokko
Event Type:international Conference
Event Dates:2.-5. Okt. 2018
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:Concentrating Solar Thermal Technology
DLR - Research area:Energy
DLR - Program:E SW - Solar and Wind Energy
DLR - Research theme (Project):E - Advanced Heat Transfer Media
Location: Jülich
Institutes and Institutions:Institute of Solar Research > Solar Power Plant Technology
Deposited By: Schwarzbözl, Peter
Deposited On:17 Dec 2018 10:06
Last Modified:17 Dec 2018 10:06

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