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Proceedings Paper

Underwater Test Diagnostics Using Explosively Excited Argon And Laser Light Photography Techniques
Author(s): John Wisotski
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Paper Abstract

This paper presents results of photographic methods employed in underwater tests used to study high-velocity fragment deceleration, deformation and fracture during the perforation of water-backed plates. These methods employed overlapping ultra-high and very high speed camera recordings using explosively excited argon and ruby-laser light sources that gave ample light to penetrate across a 2.3-meter (7.54-foot) diameter tank of water with enough intensity to photograph displacement-time histories of steel cubes with impact speeds of 1000 to 1500 m/s (3280 to 4920 ft/s) at camera framing rates of 250,000 and 17,000 fr/s, respectively.

Paper Details

Date Published: 17 January 1990
PDF: 22 pages
Proc. SPIE 1155, Ultrahigh Speed and High Speed Photography, Photonics, and Videography '89: Seventh in a Series, (17 January 1990); doi: 10.1117/12.962420
Show Author Affiliations
John Wisotski, University of Denver (United States)


Published in SPIE Proceedings Vol. 1155:
Ultrahigh Speed and High Speed Photography, Photonics, and Videography '89: Seventh in a Series
Gary L. Stradling, Editor(s)

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