Accession Number : ADA322036

Title :   Initiation of Detonation in Composition B by an Underwater Shock Wave.

Descriptive Note : Technical rept.,

Corporate Author : DEFENCE SCIENCE AND TECHNOLOGY ORGANIZATION CANBERRA (AUSTRALIA)

Personal Author(s) : Chung, Michael ; McQueen, Darren ; McVay, Lyn

PDF Url : ADA322036

Report Date : SEP 1996

Pagination or Media Count : 31

Abstract : This paper examines the interaction of underwater shock waves with bare, cylindrical Composition B acceptor charges. Suitable methods to discern detonation and non-detonation of an underwater charge were determined. Separation distances for the 50% probability of sympathetic detonation of Composition B acceptors using 0.5, 2.5, 5.0 and 10.0 kg spherical pentolite donor charges were calculated from the Bruceton technique. The variation in near field shock wave velocity between donor and acceptor charges was modelled in terms of reduced charge separation to permit an economy of effort in predictions of the effects from underwater charges of a changed scale. Measurement of shock wave transit times indicate that initiation of detonation in the acceptor is due to the underwater shock wave alone.

Descriptors :   *MINE CLEARANCE, *SYMPATHETIC DETONATIONS, SHOCK WAVES, EXPLOSIVE CHARGES, SEPARATION, AUSTRALIA, UNDERWATER ORDNANCE.

Subject Categories : Explosions
      Combustion and Ignition
      Undersea and Antisubmarine Warfare

Distribution Statement : APPROVED FOR PUBLIC RELEASE