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Development of insulation for high flux density receivers

Arnold, Wolfgang and Avila-Marin, Antonio and Denk, Thorsten and Ebert, Miriam and Hertel, Johannes and Jensch, Andrea and Reinalter, Wolfgang and Schlierbach, Anne and Uhlig, Ralf (2015) Development of insulation for high flux density receivers. Energy Procedia, 69, pp. 369-378. Elsevier. DOI: doi: 10.1016/j.egypro.2015.03.043 ISSN 1876-6102

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Official URL: http://ac.els-cdn.com/S1876610215003495/1-s2.0-S1876610215003495-main.pdf?_tid=c44325e8-a23d-11e5-b37e-00000aab0f26&acdnat=1450082367_83f01761712227011aa22635d4d3cc6f


In the last years more experience has been achieved with long time operation of solar tower receivers increased in size. The insulation of these receivers shows higher complexity and importance compared to small prototypes. Both insulation of tubular cavity receiver and inner insulation of piping are safety-relevant components as they protect e.g. support structures and pressurized tubes and connections against overheating. Besides safety, operating reliability is one of the most important requirements to meet as down times, maintenance and repairs cause high costs. This paper describes the new development of the insulation for a tubular cavity receiver with air as heat transfer medium, where costs and thermal heat loss should be reduced. The prototype has been designed, built and tested for 100 operating hours at receiver outlet temperatures of up to 800°C at the test facility Plataforma Solar de Almería (PSA), Spain. The results of a thermal model, of material tests and the evaluation of the thermal heat loss are presented.

Item URL in elib:https://elib.dlr.de/100915/
Document Type:Article
Title:Development of insulation for high flux density receivers
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Arnold, Wolfgangwolfgang.arnold (at) arnoldgroup.comUNSPECIFIED
Avila-Marin, Antonioantonio.avila (at) ciemat.es>UNSPECIFIED
Denk, Thorstenthorsten.denk (at) psa.esUNSPECIFIED
Ebert, Miriammiriam.ebert (at) dlr.deUNSPECIFIED
Hertel, Johannesjohannes.hertel (at) dlr.deUNSPECIFIED
Jensch, Andreaandrea.jensch (at) dlr.deUNSPECIFIED
Reinalter, Wolfgangwolfgang.reinalter (at) dlr.deUNSPECIFIED
Schlierbach, Anneanne.schlierbach (at) dlr.deUNSPECIFIED
Uhlig, Ralfralf.uhlig (at) dlr.deUNSPECIFIED
Date:January 2015
Journal or Publication Title:Energy Procedia
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
DOI :doi: 10.1016/j.egypro.2015.03.043
Page Range:pp. 369-378
Series Name:lsevier's Energy Procedia
Keywords:cavity receiver; insulation, solar tower, micro turbine system
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:Concentrating Solar Systems (old)
DLR - Research area:Energy
DLR - Program:E SF - Solar research
DLR - Research theme (Project):E - Point-Focusing Systems (old)
Location: Stuttgart
Institutes and Institutions:Institute of Solar Research
Deposited By: Ebert, Miriam
Deposited On:17 Dec 2015 14:01
Last Modified:06 Sep 2019 15:22

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