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Analysis of rotorcraft wind turbine wake encounters using piloted simulation

Strbac, Alexander and Martini, Tanja and Greiwe, Daniel and Hoffmann, Frauke and Jones, Michael (2021) Analysis of rotorcraft wind turbine wake encounters using piloted simulation. CEAS Aeronautical Journal, 12 (2), pp. 273-290. Springer. doi: 10.1007/s13272-021-00495-w. ISSN 1869-5590.

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Abstract

The use of offshore wind farms in Europe to provide a sustainable alternative energy source is now considered normal. Particularly in the North Sea, a large number of wind farms exist with a significant distance from the coast. This is becoming standard practice as larger areas are required to support operations. Efficient transport and monitoring of these wind farms can only be conducted using helicopters. As wind turbines continue to grow in size, there is a need to continuously update operational requirements for these helicopters, to ensure safe operations. This study assesses German regulations for flight corridors within offshore wind farms. A semi-empirical wind turbine wake model is used to generate velocity data for the research flight simulator AVES. The reference offshore wind turbine NREL 5 MW has been used and scaled to represent wind turbine of different sizes. This paper reports result from a simulation study concerning vortex wake encounter during offshore operations. The results have been obtained through piloted simulation for a transport case through a wind farm. Both subjective and objective measures are used to assess the severity of vortex wake encounters.

Item URL in elib:https://elib.dlr.de/141290/
Document Type:Article
Title:Analysis of rotorcraft wind turbine wake encounters using piloted simulation
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Strbac, AlexanderAlexander.Strbac (at) dlr.dehttps://orcid.org/0000-0002-9660-5017
Martini, TanjaTanja.Martini (at) dlr.deUNSPECIFIED
Greiwe, DanielDaniel.Greiwe (at) dlr.deUNSPECIFIED
Hoffmann, Fraukefrauke.hoffmann (at) dlr.deUNSPECIFIED
Jones, MichaelMichael.Jones (at) dlr.dehttps://orcid.org/0000-0003-1782-739X
Date:9 March 2021
Journal or Publication Title:CEAS Aeronautical Journal
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
Volume:12
DOI :10.1007/s13272-021-00495-w
Page Range:pp. 273-290
Publisher:Springer
ISSN:1869-5590
Status:Published
Keywords:Vortex–rotor interaction, Wake encounter, Wind turbine wake, Flight safety, Piloted simulation, Helicopter offshore operation
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Efficient Vehicle
DLR - Research area:Aeronautics
DLR - Program:L EV - Efficient Vehicle
DLR - Research theme (Project):L - Virtual Rotorcraft and Validation
Location: Braunschweig
Institutes and Institutions:Institute of Flight Systems > Rotorcraft
Deposited By: Strbac, Alexander
Deposited On:14 Apr 2021 16:49
Last Modified:12 May 2021 15:43

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