Initial Shock-Front Interaction with Solid Models

The initial response of solid models to low-Mach, high-mass-flow shock waves was analyzed. A rapid-response piezoelectric load cell was mounted in a series assembly behind the models to directly measure resultant loading. The load history was analyzed and correlated with model geometry and shock-wav...

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Bibliographic Details
Published in:Journal of applied physics 1967-01, Vol.38 (10), p.3828-3834
Main Author: Zagieboylo, Walter
Format: Article
Language:English
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Summary:The initial response of solid models to low-Mach, high-mass-flow shock waves was analyzed. A rapid-response piezoelectric load cell was mounted in a series assembly behind the models to directly measure resultant loading. The load history was analyzed and correlated with model geometry and shock-wave velocity for rectangular wood models of various length and weight and for the effects caused by changing the front surface material. The front surface of the model was in some cases bare and in other cases covered with plastic foam or thin foam rubber. It was observed that the coatings produced increased loading effects. The maximum loading force was determined for various overpressures and found to be in linear relationship to a dimensionless ratio involving shock-tube and shock-wave pressure parameters.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.1709025