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Ensuring performance by geometric quality control and specifications for parabolic trough solar fields

Pottler, Klaus and Ulmer, Steffen and Lüpfert, Eckhard and Landmann, Martin and Röger, Marc and Prahl, Christoph (2014) Ensuring performance by geometric quality control and specifications for parabolic trough solar fields. Energy Procedia (49), pp. 2170-2179. Elsevier. DOI: ISSN 1876-6102 / 10.1016 ISSN 1876-6102

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Official URL: http://dx.doi.org/10.1016 /j.egypro.2014.03.230.

Abstract

Solar field thermal output depends on the optical, geometrical and thermal parameters of the installed solar collectors. In addition to appropriate collector design and quality of the components, proper assembly and installation processes are most relevant for high performance. Target values for the intercept factor are in the range of 96-99% for typical operating conditions. These values can only be reached if appropriate quality specifications are fulfilled. Specification values are suggested and their implications on intercept factors are discussed based on the well-proven statistical calculation model from Bendt and Rabl. A variety of measurement techniques which can be applied for measurement and control of the geometry parameters are discussed. The application of geometric quality control measurement techniques for prototype collector development as well as for series production of large fields has already contributed to relevant performance increase of parabolic trough collector fields and is constantly required to maintain high output quality of solar field design, production, and assembly.

Item URL in elib:https://elib.dlr.de/91742/
Document Type:Article
Title:Ensuring performance by geometric quality control and specifications for parabolic trough solar fields
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Pottler, Klausk.pottler (at) cspservices.deUNSPECIFIED
Ulmer, SteffenUNSPECIFIEDUNSPECIFIED
Lüpfert, EckhardUNSPECIFIEDUNSPECIFIED
Landmann, MartinUNSPECIFIEDUNSPECIFIED
Röger, Marcmarc.roeger (at) dlr.deUNSPECIFIED
Prahl, Christophchristoph.prahl (at) dlr.deUNSPECIFIED
Date:2014
Journal or Publication Title:Energy Procedia
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
DOI :ISSN 1876-6102 / 10.1016
Page Range:pp. 2170-2179
Publisher:Elsevier
Series Name:El Sevier
ISSN:1876-6102
Status:Published
Keywords:Quality Control; Parabolic Trough; Specifications; Solar Field Assembly; Intercept Factor, Optimization, Photogrammetry, Deflectometry
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 - Qualification (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Solar Research > Qualifizierung
Deposited By: Kruschinski, Anja
Deposited On:10 Nov 2014 15:47
Last Modified:06 Sep 2019 15:22

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