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Application of the wide-field shadowgraph technique to rotor wake visualizationThe wide field shadowgraph technique is reviewed along with its application to the visualization of rotor wakes. In particular, current experimental methods and data reduction requirements are discussed. Sample shadowgraphs are presented. These include shadowgraphs of model-scale helicopter main rotors and tilt rotors, and full scale tail rotors, both in hover and in forward flight.
Document ID
19900002384
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Norman, Thomas R. (NASA Ames Research Center Moffett Field, CA, United States)
Light, Jeffrey S. (NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
September 6, 2013
Publication Date
October 1, 1989
Subject Category
Aerodynamics
Report/Patent Number
A-89229
NAS 1.15:102222
NASA-TM-102222
Meeting Information
Meeting: European Rotorcraft Forum
Location: Amsterdam
Country: Netherlands
Start Date: September 12, 1989
End Date: September 15, 1989
Accession Number
90N11700
Funding Number(s)
PROJECT: RTOP 505-61-51
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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