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Contributions of Particle Image Velocimetry to Helicopter Aerodynamics

Raffel, Markus and Bauknecht, Andre and Ramasamy, Manikandan and Yamauchi, Gloria K. and Heineck, James T. and Jenkins, Luther N. (2017) Contributions of Particle Image Velocimetry to Helicopter Aerodynamics. AIAA Journal, 55 (9), pp. 2859-2874. American Institute of Aeronautics and Astronautics (AIAA). doi: 10.2514/1.J055571. ISSN 0001-1452.

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Official URL: http://arc.aiaa.org/loi/aiaaj


The advancement of flow measurement techniques continues to extend experimental boundaries and thus significantly contributes to improving our understanding of both basic and applied aerodynamics. This is particularly apparent in the case of particle image velocimetry (PIV), where its application has furthered the existing knowledge in several areas of helicopter rotor aerodynamics. The complex nature of helicopter rotor flows presents unique challenges to experimentalists, including transonic flow, concentrated vortices and dynamic stall. To illustrate the impact of the technological advancements on the way helicopter aerodynamics is studied today, the development of PIV since the early nineties of the last century is reviewed and some recent PIV applications are described. Using examples of main rotor wakes, dynamic stall and flow control investigations, the capabilities of large–scale, time–resolved and volumetric PIV are summarized.

Item URL in elib:https://elib.dlr.de/104604/
Document Type:Article
Title:Contributions of Particle Image Velocimetry to Helicopter Aerodynamics
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Raffel, MarkusMarkus.Raffel (at) dlr.dehttps://orcid.org/0000-0002-3340-9115
Bauknecht, AndreAndre.Bauknecht (at) dlr.dehttps://orcid.org/0000-0002-4076-780X
Ramasamy, ManikandanNASA Ames Research Center, Moffett Field, California 94035UNSPECIFIED
Yamauchi, Gloria K.NASA Ames Research Center, Moffett Field, California 94035UNSPECIFIED
Heineck, James T.NASA Ames Research Center, Moffett Field, California 94035UNSPECIFIED
Jenkins, Luther N.NASA Langley Research Center, Hampton, Virginia 23681UNSPECIFIED
Date:2 June 2017
Journal or Publication Title:AIAA Journal
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.2514/1.J055571
Page Range:pp. 2859-2874
EditorsEmailEditor's ORCID iD
Publisher:American Institute of Aeronautics and Astronautics (AIAA)
Keywords:Helicopter, Particle Image Velocimetry, Dynamic Stall, Blade Vortex Interaction
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:rotorcraft
DLR - Research area:Aeronautics
DLR - Program:L RR - Rotorcraft Research
DLR - Research theme (Project):L - The Virtual Aerodynamic Rotorcraft (old)
Location: Göttingen
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > Helicopter, GO
Deposited By: Bachmann, Barbara
Deposited On:08 Dec 2017 12:10
Last Modified:05 Nov 2020 18:52

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