Accession Number:

AD0736566

Title:

The Initiation of Explosion in Single Crystals by Collapsing Bubbles,

Descriptive Note:

Corporate Author:

CAMBRIDGE UNIV (ENGLAND) CAVENDISH LAB

Personal Author(s):

Report Date:

1970-01-01

Pagination or Media Count:

8.0

Abstract:

The mechanism of initiation of explosion by the rapid compression of gas spaces has been studied using a high-speed framing camera capable of taking pictures at sub-microsecond framing intervals. Experimentally single crystals of explosive silver azide, lead azide were studied. Various processes were identified and measured during the bubble collapse including the speed of collapse, involution of the bubble to form a jet velocity a few 100 ms, and an expansion shock of strength about 1 kbar during the rebound stage. The importance of these various phenomena in the initiation of explosion was assessed by using different geometric configurations for the bubble collapse. Author

Subject Categories:

  • Explosions

Distribution Statement:

APPROVED FOR PUBLIC RELEASE