A simplified method for determining reactive rate parameters for reaction ignition and growth in explosives

Conference · Mon Jul 01 00:00:00 EDT 1996

OSTI ID:248256

Miller, P J ^[1]

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1. Naval Air Warfare Center, China Lake, CA (United States)

A simplified method for determining the reactive rate parameters for the ignition and growth model is presented. This simplified ignition and growth (SIG) method consists of only two adjustable parameters, the ignition (I) and growth (G) rate constants. The parameters are determined by iterating these variables in DYNA2D hydrocode simulations of the failure diameter and the gap test sensitivity until the experimental values are reproduced. Examples of four widely different explosives were evaluated using the SIG model. The observed embedded gauge stress-time profiles for these explosives are compared to those calculated by the SIG equation and the results are described.

• OSTI ID: 248256
• Report Number(s): CONF-951155-; ISBN 1-55899-321-5; TRN: IM9628%%356
• Resource Relation: Conference: Fall meeting of the Materials Research Society (MRS), Boston, MA (United States), 27 Nov - 1 Dec 1995; Other Information: PBD: 1996; Related Information: Is Part Of Decomposition, combustion, and detonation chemistry of energetic materials; Brill, T.B. [ed.] [Univ. of Delaware, Newark, DE (United States)]; Russell, T.P. [ed.] [Naval Research Lab., Washington, DC (United States)]; Tao, W.C. [ed.] [Lawrence Livermore National Lab., CA (United States)]; Wardle, R.B. [ed.] [Thiokol Corp., Brigham City, UT (United States)]; PB: 469 p.; Materials Research Society symposium proceedings, Volume 418
• Country of Publication: United States
• Language: English

Related Subjects

45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE
40 CHEMISTRY
CHEMICAL EXPLOSIVES
COMBUSTION KINETICS
CALCULATION METHODS
COMPUTERIZED SIMULATION
MATHEMATICAL MODELS
IMPACT SHOCK
IGNITION
DETONATION WAVES
WAVE PROPAGATION
KINETIC EQUATIONS
CHEMICAL COMPOSITION
EQUATIONS OF STATE