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Proceedings Paper

Behavior Of A Fast Projectile Shot Into Water
Author(s): Shoji Kageyama; Tositika Usui
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Paper Abstract

Investigations carried out on the high speed entry of spinning cylindrical projectiles are described. The projectiles mainly used were 30°, 60°, 90° conical nose cylinders and flat-nosed truncated cone cylinders. Their specific gravities were from 2.69 to 11.34. To study behaviors of the projectiles, high-speed stereoscopic motion pictures were taken of numerous shot of each of the projectiles at various impact speeds from about 250 to 1000 m/s. Time and position data of the projectiles were read from each film, and using our method of data processing instantaneous position of the projectiles were accurately determined. By comparing each shot of a dense projectile with each suitable shot of a light one, we try to determine the added mass for each projectile shape, but no decided values of them were obtained.

Paper Details

Date Published: 1 March 1983
PDF: 9 pages
Proc. SPIE 0348, 15th Intl Congress on High Speed Photography and Photonics, (1 March 1983); doi: 10.1117/12.967710
Show Author Affiliations
Shoji Kageyama, National Defense Academy (Japan)
Tositika Usui, National Defense Academy (Japan)

Published in SPIE Proceedings Vol. 0348:
15th Intl Congress on High Speed Photography and Photonics
Lincoln L. Endelman, Editor(s)

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