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A Photoelastic Study of Strain Waves Caused by Cavitation

Sutton, G. W. (1955) A Photoelastic Study of Strain Waves Caused by Cavitation. California Institute of Technology , Pasadena, CA. (Unpublished)

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Ultra-high-speed photoelastic techniques have been applied to a study of the transient stresses and strains in a photoelastic plastic when subject to cavitation. A photocell, used to detect the transient strains, indicated that the time duration of the strains was about 2 microseconds. Using an ultra-high-speed motion picture camera, ultrasonic cavitation bubbles have been photographed collapsing on the surface of a photoelastic specimen, and the resulting strain wave in the solid has been photographed. The dynamic properties of a photoelastic material have been obtained in order to permit quantitative interpretation of the transients. This has indicated that the stresses due to cavitation may be as high as 2.8 x 10^5 psi. The photoelastic plastic, CR-39, was found to exhibit strain birefringence, and its strain-optic constant was found to be independent of the rate of loading.

Item Type:Report or Paper (Technical Report)
Additional Information:Report No. 21-21. October 1955. Approved by: M. S. Plesset. Office of Naval Research Department of the Navy Contract N6onr-24420 (NR 062-059).
Group:Hydrodynamics Laboratory
Funding AgencyGrant Number
Office of Naval Research (ONR)N6onr-24420 (NR 062-059)
Record Number:CaltechAUTHORS:20150505-154123455
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:57249
Deposited On:06 May 2015 16:34
Last Modified:03 Oct 2019 08:22

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