The Time Dependent Reactive Hydrodynamic Equations and the Deflagration-to-Detonation Transition
The Deflagration-to-Detonation Transition (DDT) is a phenomena of energetic materials that has been the subject of many research investigations and still is not well understood. Even the definitions of the both end states of the transition need improvements. Many models have been devised in order to help investigate and understand this phenomenon. This presentation begins with the time dependent reactive hydrodynamic equations and looks at the time rate of change in the pressure. This expression, when considered for the restricted set of time independent cases, is sometimes called the master equation. For the time dependent equations this expression provides mathematical definitions for both deflagration and detonation. Further, a study of this equation provides a, perhaps new, appreciation for the importance of the rate of chemical energy release in DDT. This then provides the means by which physical damage to a solid energetic material can change the energy release rate and an understanding of how this change may lead to DDT.
deflagration to detonation transition chemical reaction rate compaction of porous energetic materials time dependent reactive hydrodynamics
Pharis E. WILLIAMS
Williams Research, Los Alamos, NM 87544, USA
国际会议
西安
英文
639-644
2007-10-23（万方平台首次上网日期，不代表论文的发表时间）