NASA NTRS · 19770021525
Holographic flow visualization at the Langley CF4 tunnel
Abstract
A 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.
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Burner, A. W., Midden, R. E.. 1977-07-01. Holographic flow visualization at the Langley CF4 tunnel. https://ntrs.nasa.gov/citations/19770021525
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