Application of holographic interferometry to the exterior ballistic flow field in the muzzle environment of a twenty millimeter cannon
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Authors
Bettinger, Robert Gene
Subjects
Holographic Interferometry
Exterior Ballistic Flow
Exterior Ballistic Flow
Advisors
Collins, Daniel J.
Date of Issue
1975-06
Date
Publisher
Monterey, California. Naval Postgraduate School
Language
en_US
Abstract
The technique of holographic interferometry was applied to the
study of the gas core characteristics in the muzzle environment of a
20 mm cannon. Experimental measurements were made of the muzzle
velocity and of gas core pressures at the cannon breech to verify prediction
of these parameters in a numerical technique using standard
hydrodynamic equations. Holographic interferograms were made of
the projectile and its associated flow field during launch.
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Thesis
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Distribution Statement
Approved for public release; distribution is unlimited.