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Experimentally developed model for the design of protective measures against shaped charge jet penetration during EOD operations
SWEDEC.
Försvarshögskolan, Militärvetenskapliga institutionen (MVI), Militärtekniska avdelningen (MTA).
2014 (Engelska)Ingår i: ISMS Annual Connference 2014: Armed Forces for 2020 and beyond Roles, 2014Konferensbidrag, Muntlig presentation med publicerat abstract (Refereegranskat)
Abstract [en]

The wide use of light anti-tank weapons, such as rocket propelled grenades and the scattering of sub-munitions lead toa greatnumber of explosive remnants of war (ERW) containing shaped charge warheadsin different conflict areas. A serious problem is that, the explosive ordnance disposal (EOD) personnel lack adequate means for the design of protective measures against the jetfrom clearance of shaped charge ammunition. In this paper, based on a master thesis in military technology,a previously suggested calculation model1, is developed further. The objectiveis to create a tool that can be applied to EOD operationsand meet military requirements by consideration of the limited information availability, the short time frames, the working methods and the technology level that are characteristic for such operations.

Full-scale experiments have been conducted to clarify the effects of conditions that are typical for EOD operations: protective measures built from sandbags with a long standoff distance to the ordnance. The results indicate that the hydrodynamic penetration theory is not suitable for these conditions,and,furthermore, thata sandbag construction provides significantly better protection against the jet than a homogeneous gravel construction.

By disturbance analysis, the sensitivity of the individual parameters in the model is studied for typical errors. Subsequently, Monte Carlo simulation has been used to analyse the cumulative effect these errors can cause. The simulation results have then been the used to determine the model ́s margin of safety.

To achieve the desired military utility it should be possible to use the model under field conditions, with limited time frames and without access to advanced calculating means. This has resulted in a simple diagram included in a completedesign tool.It is proposed to implement the toolin regulations and curricula for EOD operations in order to remedy today’s lack of decision support

Ort, förlag, år, upplaga, sidor
2014.
Nationell ämneskategori
Rymd- och flygteknik
Forskningsämne
Försvarssystem
Identifikatorer
URN: urn:nbn:se:fhs:diva-5145OAI: oai:DiVA.org:fhs-5145DiVA, id: diva2:779189
Konferens
ISMS Annual Conference 2014
Tillgänglig från: 2015-01-12 Skapad: 2015-01-12 Senast uppdaterad: 2019-08-26Bibliografiskt granskad

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