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Michels, Benedikt (2019) Preliminary Performance Assessment of a Twin-Rotor Horizontal Axis Wind Turbine Using Fast Aerodynamic Methods. In: New Results in Numerical and Experimental Fluid Mechanics XII Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 142. Springer. pp. 819-829. doi: 10.1007/978-3-030-25252-3_77. ISBN 978-3-030-25252-6. ISSN 1612-2909.
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Official URL: https://link.springer.com/chapter/10.1007/978-3-030-25253-3_77
Abstract
The present work describes a simplified computational setup for the preliminary estimation of the power output of an overlapping twin-rotor horizontal axis wind turbine. A blade element theory based rotor code coupled to a free-wake vortex-lattice downwash model is used for the prediction of the turbine behavior. The relation of power output versus rotor overlap of the twin-rotor configuration is compared to a single isolated rotor at identical operation conditions. An acceptable amount of rotor overlap in terms of power loss is found to allow for a close spacing. An analysis of the wake-induced velocity seeks to shed some light on the aerodynamic interaction.
| Item URL in elib: | https://elib.dlr.de/129628/ | ||||||||
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| Document Type: | Book Section | ||||||||
| Title: | Preliminary Performance Assessment of a Twin-Rotor Horizontal Axis Wind Turbine Using Fast Aerodynamic Methods | ||||||||
| Authors: |
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| Date: | October 2019 | ||||||||
| Journal or Publication Title: | New Results in Numerical and Experimental Fluid Mechanics XII | ||||||||
| Refereed publication: | Yes | ||||||||
| Open Access: | No | ||||||||
| Gold Open Access: | No | ||||||||
| In SCOPUS: | No | ||||||||
| In ISI Web of Science: | No | ||||||||
| Volume: | 142 | ||||||||
| DOI: | 10.1007/978-3-030-25252-3_77 | ||||||||
| Page Range: | pp. 819-829 | ||||||||
| Publisher: | Springer | ||||||||
| Series Name: | Notes on Numerical Fluid Mechanics and Multidisciplinary Design | ||||||||
| ISSN: | 1612-2909 | ||||||||
| ISBN: | 978-3-030-25252-6 | ||||||||
| Status: | Published | ||||||||
| Keywords: | wind turbine, twin-rotor, aerodynamic interaction, free-vortex wake | ||||||||
| HGF - Research field: | Energy | ||||||||
| HGF - Program: | Renewable Energies | ||||||||
| HGF - Program Themes: | Wind Energy | ||||||||
| DLR - Research area: | Energy | ||||||||
| DLR - Program: | E SW - Solar and Wind Energy | ||||||||
| DLR - Research theme (Project): | E - Wind Energy (old) | ||||||||
| Location: | Braunschweig | ||||||||
| Institutes and Institutions: | Institute of Flight Systems > Rotorcraft | ||||||||
| Deposited By: | Michels, Benedikt | ||||||||
| Deposited On: | 14 Jan 2020 13:41 | ||||||||
| Last Modified: | 14 Jan 2020 13:41 |
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