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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 30, Iss. 7 — Mar. 1, 1991
  • pp: 770–774

New method of asymmetric flow field measurement in hypersonic shock tunnel

Da-Peng Yan, An-Zhi He, and Xiao-Wu Ni  »View Author Affiliations


Applied Optics, Vol. 30, Issue 7, pp. 770-774 (1991)
http://dx.doi.org/10.1364/AO.30.000770


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Abstract

In this paper a method of large aperture (Φ500 mm) high sensitivity moire deflectometry is used to obtain multidirectional deflectograms of the asymmetric flow field in hypersonic (M = 10.29) shock tunnel. At the same time, a 3-D reconstructive method of the asymmetric flow field is presented which is based on the integration of the moire deflective angle and the double-cubic many-knot interpolating splines; it is used to calculate the 3-D density distribution of the asymmetric flow field.

© 1991 Optical Society of America

History
Original Manuscript: December 4, 1989
Published: March 1, 1991

Citation
Da-Peng Yan, An-Zhi He, and Xiao-Wu Ni, "New method of asymmetric flow field measurement in hypersonic shock tunnel," Appl. Opt. 30, 770-774 (1991)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-30-7-770

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