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Reduced to minimum cost: Lay-down heliostat with monolithic mirror-panel and closed loop control

Pfahl, Andreas and Gross, Fabian and Liedke, Phillip and Hertel, Johannes and Rheinländer, Jens and Mehta, Siddhant Chandrakant and Vasquez Arango, Juan Felipe and Giuliano, Stefano and Buck, Reiner (2018) Reduced to minimum cost: Lay-down heliostat with monolithic mirror-panel and closed loop control. In: AIP Conference Proceedings (2033), 040030-1. SolarPACES 2017, 26.-29. Sept. 2017, Santiago, Chile. DOI: 10.1063/1.5067066

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Official URL: https://aip.scitation.org/doi/10.1063/1.5067066

Abstract

A complete set of innovations are combined to a new heliostat of minimum cost. The main improvements are a monolithic sandwich-cantilever-arm concentrator of low material and fabrication cost, a lay down of the panels during storms to reduce the maximum wind loading of the structure, and a closed loop control to reduce the accuracy requirements on the mechanical components of the tracker. The design of the main heliostat components is described. The dimensioning of the heliostat is based on wind loads determined by wind tunnel tests. The resulting cost reduction and an outlook on possible modifications for further cost reduction is given.

Item URL in elib:https://elib.dlr.de/123485/
Document Type:Conference or Workshop Item (Speech)
Title:Reduced to minimum cost: Lay-down heliostat with monolithic mirror-panel and closed loop control
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Pfahl, AndreasAndreas.Pfahl (at) dlr.deUNSPECIFIED
Gross, FabianFabian.Gross (at) dlr.dehttps://orcid.org/0000-0002-8979-7276
Liedke, PhillipPhillip.Liedke (at) dlr.deUNSPECIFIED
Hertel, JohannesJohannes.Hertel (at) dlr.deUNSPECIFIED
Rheinländer, JensJens.Rheinlaender (at) dlr.deUNSPECIFIED
Mehta, Siddhant ChandrakantInstitut für SolarforschungUNSPECIFIED
Vasquez Arango, Juan FelipeJuan.VasquezArango (at) dlr.deUNSPECIFIED
Giuliano, Stefanostefano.giuliano (at) dlr.deUNSPECIFIED
Buck, ReinerReiner.Buck (at) dlr.deUNSPECIFIED
Date:8 November 2018
Journal or Publication Title:AIP Conference Proceedings
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
DOI :10.1063/1.5067066
Page Range:040030-1
Status:Published
Keywords:Heliostat, Solarturmkraftwerk, Closed-Loop-Control
Event Title:SolarPACES 2017
Event Location:Santiago, Chile
Event Type:international Conference
Event Dates:26.-29. Sept. 2017
Organizer:SolarPACES
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:Solar Fuels
DLR - Research area:Energy
DLR - Program:E SW - Solar and Wind Energy
DLR - Research theme (Project):E - Solar Fuels
Location: Stuttgart
Institutes and Institutions:Institute of Solar Research > Solartowersystems
Deposited By: Pfahl, Andreas
Deposited On:26 Nov 2018 12:56
Last Modified:28 Nov 2018 12:06

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