Accession Number:

AD0256338

Title:

STUDIES ON DEFLAGRATION TO DETONATION IN PROPELLANTS AND EXPLOSIVES

Descriptive Note:

Quarterly rept. 1 Jan-31 Mar 1961

Corporate Author:

BUREAU OF MINES PITTSBURGH PA

Report Date:

1961-05-10

Pagination or Media Count:

22.0

Abstract:

The U. S. Naval Propellant Plant high-performance double-base propellant was tested under extreme confinement. Thus far it has been impossible to attain a transition from deflagration to detonation in this material, in spite of the fact that the confined critical diameter is only about 1.5 cm when directly initiated by explosive-generated shock waves. Some basic experiments have been conducted, using simple probe systems to determine electron and ion activity in the reaction zone of a detonating explosive. Ultimately it may be possible to prevent a transition by applying externally generated electric and or magnetic fields. A pressure probe system for the continuous display of compression wave velocities was developed and applied to delayed detonation in explosives as well as to pressure waves in an inert liquid body. The indications are that such a system may be used effectively to reveal pre-detonation pressure waves in opaque solids under heavy confinement. Author

Subject Categories:

  • Ammunition and Explosives
  • Explosions

Distribution Statement:

APPROVED FOR PUBLIC RELEASE