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Proceedings Paper

Holographic Interferometric Study Of Shock Transition Over Wedges
Author(s): K. Takayama; O. Onodera; G. Ben-Dor
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Paper Abstract

Paper reports a successful application of a holographic interferometry to a flow visualization study of a shock transition over wedges in a shock tube. Experiments were conducted on a 60 mm x 150 mm shock tube of the Institute of High Speed Mechanics, Tohoku University for Mach numbers from 1.1 to 3.0 in air. Using a pulsed laser double exposure holographic interferometry the shock transition over concave or convex walls and multiple straight wedges was quantitatively observed. Consequently the critical transition angles over these wedges were determined and in addition to this a hysterisis effect in the truly non-stationary transition phenomena was clarified. Advantages of applying the holographic interferometry to the high speed gasdynamics were demonstrated.

Paper Details

Date Published: 1 February 1985
PDF: 8 pages
Proc. SPIE 0491, 16th Intl Congress on High Speed Photography and Photonics, (1 February 1985); doi: 10.1117/12.968046
Show Author Affiliations
K. Takayama, Tohoku University (Japan)
O. Onodera, Tohoku University (Japan)
G. Ben-Dor, Ben-Gurion University of the Negev (Israel)

Published in SPIE Proceedings Vol. 0491:
16th Intl Congress on High Speed Photography and Photonics
Michel L. Andre; Manfred Hugenschmidt, Editor(s)

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