SENSITIVITY FUNDAMENTALS.
Abstract
Failure diameters of NF compounds were measured in small diameter steel tubes; results agree with those obtained in lead blocks. In gap test configuration, liquid explosives may ignite by wall initiation; results of gap tests on liquids are influenced by container material and geometry. In rectangular shaped containers, low velocity waves do not occur in 10% TNM-90% NM mixtures: a new hypothesis for initiation and propagation of LVD's (Low Velocity Detonations) is presented which postulates the formation of a Mach disc due to the interaction of shock waves spreading into the liquid from the container walls. Techniques necessary for reaction time measurements were developed: (1) the method for measuring Hugoniots of liquids was demonstrated in preliminary measurements on nitromethane; (2) transit times through Plexiglas were determined; (3) the first tests of wall-less containers indicated necessary assembly improvements. Further tests were made on the failure diameter of energetic liquids in massive lead confinement. A new kinetic technique, ultra-low pressure pyrolysis, was used to study the rates and mechanism of pyrolysis of NF compounds. The decomposition rates in solution of a number of NF compounds at 50 degrees were obtained. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jul 15, 1965
- Accession Number
- AD0365956
Entities
People
- Adolph B. Amster
Organizations
- SRI International