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Defense Technology
STATUS FOR ACTIVE PROJECTS AS OF MAY 2008
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Aluminum Mesh Explosion Suppression Systems
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Initial material characterizaton and corrosion testing was completed by the University of Kentucky College of Engineering and KTA-Tator, Inc of Pittsburgh, PA. MTTC has received final reports from both. Live fire ballistic testing was completed on 3 October 2003 by the U. S. Army’s Aberdeen Test Center (ATC), Aberdeen, MD. In September 2005, UK began work to model how the physical properties of aluminum mesh, such as thickness, strand width and cell geometry, affect the performance of the mesh in terms of shock wave propagation. This numerical simulation work, using two-dimensional Computational Fluid Dynamics (CFD) techniques, was completed in February 2006. The data from this simulation work predicted that the aluminum mesh could have a dramatic effect in reducing the temperature of an ignited vapor mixture, and also predicted a measurable pressure drop as a shock wave passes through a flat layer of the mesh. During the summer of 2006, UK conducted follow-on experimental work using relatively rudimentary explosive charges. UK's data revealed that a layer of aluminum mesh as thin as 2cm could reduce shock wave overpressure by an order of magnitude. In late October, UK submitted a proposal for follow-on work using more sophisticated and powerful explosive charges that will produce more consistent and repeatable effects. This work is underway now and will be completed by 31 May 2008. When this work is finished, the aluminum mesh project will be completed. MTTC will then issue its final report.
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U.S. Coast Guard Defender Class Boat Engine Maint
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The Coast Guard has funded MTTC and Valvoline to conduct a rating teardown on two operational engines that were used in the at-sea testing. As soon as the engines are received from Station Calumet Harbor and Station Charleston, they will be set up for analysis. We have notified Honda and the Coast Guard that we will be conducting teardown on May 20-21 in Ashland, KY. The report will be due two weeks later. Once the Coast Guard receives the report on these two engines, they will be able to make a decision on MTTC's recommendations.
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Aluminum 5xxx Alloy for Naval Structural Applicati
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Completed.
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