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Home  >  Volume 36 (no2)

EFFECT OF ENCAPSULATING MATERIALS ON DETECTION OF AMMONIUM NITRATE EXPLOSIVES by NGUSHA T. A*, AMAH A. N, ONOJA A. D.(pages 311-318)
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Abstract.

The study investigated the effect of encapsulating materials (containers) on detection of ammonium nitrate explosives. Fast neutrons analysis was employed in interrogating the explosive encapsulated in ceramic, HDPE, steel and wooden containers having thicknesses ranging from 0.5 cm to 5 cm. The study was carried out by means of computer simulation using MCNP simulation code. Key findings of the work include an inverse proportionality relationship between detection and container thickness. Steel containers were found to attenuate detection the most while wooden containers were the least affected by a unit increase in thickness. All materials studied were seen to attenuate detection by more than 70% at 0.5 cm thickness.

Keywords: Explosive, Ammonium nitrate, Container, Thickness, Detection, MCNP

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