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Model deformation measurements at a cryogenic wind tunnel using photogrammetryA photogrammetric closed circuit television system to measure model deformation at the National Transonic Facility (NTF) is described. The photogrammetric approach was chosen because of its inherent rapid data recording of the entire object field. Video cameras are used to acquire data instead of film cameras due to the inaccessibility of cameras which must be housed within the cryogenic, high pressure plenum of this facility. Data reduction procedures and the results of tunnel tests at the NTF are presented.
Document ID
19860053335
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Burner, A. W.
(NASA Langley Research Center Hampton, VA, United States)
Snow, W. L.
(NASA Langley Research Center Hampton, VA, United States)
Goad, W. K.
(NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 12, 2013
Publication Date
January 1, 1985
Subject Category
Research And Support Facilities (Air)
Accession Number
86A38073
Distribution Limits
Public
Copyright
Other

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