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Dynamic Properties of a Heliostat Structure Determined by Numerical and Experimental Modal Analysis

Vásquez-Arango, J. Felipe and Buck, Reiner and Pitz-Paal, Robert (2015) Dynamic Properties of a Heliostat Structure Determined by Numerical and Experimental Modal Analysis. Journal of Solar Energy Engineering, 137 (5), 051001-051001. American Society of Mechanical Engineers (ASME). DOI: 10.1115/1.4030846 ISSN 0199-6231

Full text not available from this repository.

Official URL: http://dx.doi.org/10.1115/1.4030846

Abstract

An experimental and numerical modal analysis was performed on an 8 m2 T-shaped heliostat structure at different elevation angles. The experimental results were used to validate a finite element (FE) model by comparing natural frequencies and mode shapes. The agreement between experiments and simulations is good in all operating points investigated. In addition, damping coefficients were determined experimentally for each mode, in order to provide all necessary information for the development of a dynamic model. Furthermore, potentially critical operating conditions caused by vortex shedding were identified using a simple approach.

Item URL in elib:https://elib.dlr.de/97195/
Document Type:Article
Title:Dynamic Properties of a Heliostat Structure Determined by Numerical and Experimental Modal Analysis
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Vásquez-Arango, J. Felipejuan.vasquezarango (at) dlr.deUNSPECIFIED
Buck, Reinerreiner.buck (at) dlr.deUNSPECIFIED
Pitz-Paal, Robertrobert.pitz-paal (at) dlr.deUNSPECIFIED
Date:October 2015
Journal or Publication Title:Journal of Solar Energy Engineering
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:137
DOI :10.1115/1.4030846
Page Range:051001-051001
Publisher:American Society of Mechanical Engineers (ASME)
ISSN:0199-6231
Status:Published
Keywords:Heliostat, Modal Analysis, Wind loads, Dynamic properites
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 > Punktfokussierende Systeme
Deposited By: Vasquez Arango, Juan Felipe
Deposited On:30 Oct 2015 15:33
Last Modified:08 Mar 2018 18:45

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