Accession Number : AD0875425

Title :   Evaluation of High-Pressure Airblast Attenuation Effectiveness of Air Entrainment Subsystems.

Descriptive Note : Final rept.,

Corporate Author : PHYSICS INTERNATIONAL CO SAN LEANDRO CA

Personal Author(s) : Gill, S. P. ; Moore, E. T. ; Randall, D. ; Gross, M.

Report Date : APR 1970

Pagination or Media Count : 61

Abstract : The report describes the results of a test in which four air entrainment subsystem (AES) conceptual models were exposed to a simulated nuclear airblast at 3000-psi overpressure. The BOSS explosively driven blast simulator was used to generate a blast wave pressure-time profile closely matching one-ninth scale of a 1-Mt nuclear burst in a 7-in. by 28-in. rectangular blast duct 100-ft long. AES models were welded to the blast duct and instrumented with piezoelectric pressure gauges. Results include pressure-time histories at blast valve locations and accumulator stations, and observations of model component failure modes. This test represents the first time that sub-scale air entrainment subsystems have ever been exposed to blast waves in air at high overpressure levels, and the results indicate substantial differences between predicted and measured pressures. (Author)

Descriptors :   *NUCLEAR EXPLOSIONS, *BLAST, AIRBURST, ATTENUATION, SIMULATION, NUCLEAR EXPLOSION DAMAGE, SHOCK WAVES, DUCTS, SURFACE BURST, EXPLOSIVES, EXPLODING WIRES, TEST METHODS, DAMAGE ASSESSMENT.

Subject Categories : Nuclear Weapons

Distribution Statement : APPROVED FOR PUBLIC RELEASE