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Detection of landmines in peat soils by controlled smouldering combustion: Experimental proof of concept of O-Revealer

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Title: Detection of landmines in peat soils by controlled smouldering combustion: Experimental proof of concept of O-Revealer
Authors: Rein, G
Huang, X
Restuccia, F
McArdle, T
Item Type: Journal Article
Abstract: We study a novel landmine detection technology, called O-Revealer, which uses controlled smouldering combustion and is valid for minefields in peat soils. We have conducted laboratory experiments with two types of dummy landmines buried in peat, the plastic SB-33 and the metal PROM-1. The ignition and spread of a smouldering front was monitored under different soil moisture and wind conditions. Special attention was paid to the thermal conditions that could trigger thermal runaway of the explosive charge. In all experiments, the smouldering fire burned across the peat, leaving the dummy completely exposed to the open for easy identification and quick demining. The spread rate and peak temperature both decrease with soil moisture, and both increase with wind speed. The results show that for the SB-33 landmine, the heat damage to the shell can be significant, and the chance of thermal runaway ranges between low (moist peat and no wind) to high (dry peat and wind). For PROM-1 landmine, the damage and chance of runaway are always very low. In addition, using rock samples, we show that O-Revealer helps identify objects buried in the soil, thereby avoiding false detections. These experiments show the benefits of the technology and its feasibility for field application in peat minefields worldwide like Falkland Islands, Vietnam, Burma, Laos, Uganda, Zimbabwe or former Yugoslavia.
Issue Date: 24-Jul-2017
Date of Acceptance: 22-Jul-2017
URI: http://hdl.handle.net/10044/1/50200
DOI: https://dx.doi.org/10.1016/j.expthermflusci.2017.07.016
ISSN: 0894-1777
Publisher: Elsevier
Start Page: 632
End Page: 638
Journal / Book Title: Experimental Thermal and Fluid Science
Volume: 88
Copyright Statement: © 2017 The Authors. Published by Elsevier Inc. This is an open access article under the CC BY license (http://creativecommons.org/licenses/BY/4.0/)
Sponsor/Funder: Engineering and Physical Sciences Research Council
Funder's Grant Number: EP/L504786/1
Keywords: 09 Engineering
Mechanical Engineering & Transports
Publication Status: Published
Appears in Collections:Mechanical Engineering
Faculty of Engineering