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Holographic flow visualization at the Langley CF4 tunnelA holographic flow visualization system was used to obtain shadowgraph, schlieren, and interferograms of the flow field at Langley's hypersonic (Mach 6) CF4 tunnel. The dual hologram technique which was used makes it possible to vary focusing, knife-edge position, and the orientation and spacing of the interference fringes after a tunnel run. The experimental arrangement necessary to produce high quality interferograms is discussed. Typical shadowgraphs, schlieren pictures, and interferograms are presented.
Document ID
19770021525
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Burner, A. W. (NASA Langley Research Center Hampton, VA, United States)
Midden, R. E. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 3, 2013
Publication Date
July 1, 1977
Subject Category
Instrumentation And Photography
Report/Patent Number
NASA-TM-74051
Report Number: NASA-TM-74051
Accession Number
77N28469
Funding Number(s)
PROJECT: RTOP 506-26-10-01
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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