Studies on Mechanical and Aerodynamical Blast-Attenuation Devices,
NATIONAL INST FOR SCIENTIFIC AND TECHNICAL CREATION BUCHAREST (ROMANIA)
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Protection of personnel andor equipment in enclosures against strong blasts involves the use of fast-action valves to shut off ventilation inlets and other openings. Such a device was submitted to shocks up to 5 atms in a large shock-tube facility and after redesign adequate strength was demonstrated.