NDLI: Effect of Compressible Foam Properties on Pressure Amplification During Shock Wave Impact

Content Provider	Springer Nature Link
Author	Seitz, Michael W. Skews, Beric W.
Copyright Year	2006
Abstract	A comprehensive study is made of the influence of the physical properties of compressible open-cell foam blocks exposed to shock-wave loading, and particularly on the pressure distribution on the shock tube walls. Seven different foams are used, with three different shock Mach numbers, and three different slab lengths. Foam properties examined include permeability, density, stiffness, tortuosity and cell characteristics. The investigations concentrate on both side-wall and back-wall pressures, and the peak pressures achieved, as well as collapse velocities of the front face and the strength and nature of the reflected shock wave. The consequences of deviations from one-dimensionality are identified; primarily those due to wall friction and side-wall leakage. The results presented are the most comprehensive and wide ranging series conducted in a single facility and are thus a significant resource for comparison with theoretical and numerical studies. The different foams show significant differences in behavior, both in terms of peak pressure and duration, depending primarily on their density and permeability.
Ending Page	197
Page Count	21
Starting Page	177
File Format	PDF
ISSN	09381287
e-ISSN	14322153
Journal	Shock Waves
Issue Number	3-4
Volume Number	15
Language	English
Publisher	Springer-Verlag
Publisher Date	2006-06-14
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Thermodynamics Shock impact Fluids Foam Engineering Thermodynamics, Transport Phenomena Shock-wave reflection Condensed Matter Engineering Fluid Dynamics Acoustics Complex materials Porous
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy Mechanical Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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