Experimental and numerical study of thin fragments protection for radiographic detectors | Zendy

Denis Counilh | Zendy; Fabrice Gillot | Zendy; Lise-Marie Adolf | Zendy; Pascale Silvin | Zendy; N. Rambert | Zendy; David G. Hebert | Zendy; Isabelle Bertron | Zendy; Olivier Bozier | Zendy

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Experimental and numerical study of thin fragments protection for radiographic detectors

Author(s) -

Denis Counilh,

Fabrice Gillot,

Lise-Marie Adolf,

Pascale Silvin,

N. Rambert,

David G. Hebert,

Isabelle Bertron,

Olivier Bozier

Publication year - 2017

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.4971629

Subject(s) - shield , projectile , electromagnetic shielding , detector , radiography , generator (circuit theory) , nuclear engineering , materials science , physics , optics , nuclear physics , engineering , geology , composite material , metallurgy , petrology , power (physics) , quantum mechanics

To perform a non-intrusive measurement on a pyrotechnic setup, we usually use radiography. But, the X-ray generator and the detectors of the radiographic chain must be protected against the blast and. We carried out an experimental campaign to test the performances of various shielding. Representative cylindrical projectiles with various masses (from 20g to 40g) and aspect ratios (length to diameter ratio from 0.1 to 1) were launched with a gas gun at different initial velocities (from 1500m/s up to 2000m/s). Multiple shield configurations, based on assemblies of steel, aluminum and B4C plates were tested. The experimental results were combined with numerical studies to demonstrate the capabilities of the shield to stop fragments.

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