The propagation of blast pulses through dampened granular media | Zendy

Henry Badham | Zendy; Max Chalmers | Zendy; Thuy-Tien N. Nguyen | Zendy; William G. Proud | Zendy

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The propagation of blast pulses through dampened granular media

Author(s) -

Henry Badham,

Max Chalmers,

Thuy-Tien N. Nguyen,

William G. Proud

Publication year - 2017

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.177

H-Index - 75

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.4971703

Subject(s) - percolation (cognitive psychology) , materials science , granular material , quartz , particle size , particle (ecology) , stress (linguistics) , tube (container) , composite material , mechanics , geology , physics , paleontology , linguistics , oceanography , philosophy , neuroscience , biology

The propagation of stress through granular and dampened granular material has been reported previously, the addition of significant amounts of liquid in granular beds causes the mechanism of transmission of blast from one of percolation through the bed pores to one of stress transmission through the granules of the bed. It has been shown, however, that limited amounts liquid can retard propagation within blast-loaded beds by approximately an order of magnitude. This paper presents data on percolation through dampened granular beds using a shock tube as the pressure driver. The effect of particle shape and size was investigated using angular grains of quartz sand as well as smooth glass microspheres. The effect of addition of small amounts of liquids is presented

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