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Vasquez Arango, Juan 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.
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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/ | ||||||||||||||||
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| Document Type: | Article | ||||||||||||||||
| Title: | Dynamic Properties of a Heliostat Structure Determined by Numerical and Experimental Modal Analysis | ||||||||||||||||
| Authors: |
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| 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: | 28 Nov 2023 09:30 |
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