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Analysis Methodology for 3C PIV Data

van der Wall, Berend G. and Richard, Hugues (2005) Analysis Methodology for 3C PIV Data. 31st European Rotorcraft Forum, 2005-09-13 - 2005-09-15, Florence, Italy.

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In the past, significant effort was placed in flow field measurements of rotor wake vortices. This was driven by the importance of the rotor blade tip vortices for the blade-vortex interaction noise radiation of helicopters. The goal is to obtain reliable data for the generation of a generalized model of tip vortices, including their generation and roll-up, and their aging while passing through the rotor disk and interacting with some of the revolving blades. In 2001 DLR, ONERA, NASA Langley, US Army AFDD and DNW performed the HART II test in the large low-speed facility of the DNW with a 40% Mach scaled model rotor of the Bo105. Major emphasis was placed on three component particle image velocimetry (3C-PIV) measurements of the blade tip vortices. They were traced from their creation in the second and third quadrant of the rotor disk to the rear of the rotor, including blade-vortex interaction (BVI). This paper deals with difficulties associated with the analysis of such 3C-PIV measurements and with the methodologies that need to be applied to overcome these difficulties.

Item URL in elib:https://elib.dlr.de/20186/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Analysis Methodology for 3C PIV Data
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:HART, PIV
Event Title:31st European Rotorcraft Forum
Event Location:Florence, Italy
Event Type:international Conference
Event Dates:2005-09-13 - 2005-09-15
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Rotorcraft (old)
DLR - Research area:Aeronautics
DLR - Program:L RR - Rotorcraft Research
DLR - Research theme (Project):L - The Active Rotorcraft (old)
Location: Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Helicopters
Institute of Flight Systems > Rotorcraft
Deposited By: van der Wall, Prof. Dr. Berend G.
Deposited On:12 Dec 2005
Last Modified:27 Apr 2009 04:45

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