Talk:Deflagration to detonation transition

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Language requires considerable clean-up, to eliminate imprecision, non-technical, subjective statements, etc.:

- 'typically far below...',

- 'main mechanism of combustion propagation' starts two sentences in same paragraph, but two different mechanisms are described,

- 'most benign form... detonation' - self-contradictory,

- 'in technical terms' - don't couch it, just give the technical description desired,

- 'perhaps up to 2,000 m/s' - perhaps not?,

- 20 bar, not bars,

- citation required for proposition that gas compression is responsible for ignition cf flame propagation,

- in fact, it may be that many of the statements could be supported by citations of peer-reviewed papers,

- is turbulent flame mixing solely responsible, or does mixing of unburned gas occur that also increases combustion efficiency?,

- 'a subsonic flame may accelerate to supersonic speed, transitioning from deflagration to detonation' - redundant,

- 'The exact mechanism is not fully understood...' - exact mechanism of what? DDT, or 'turbulent flame eddy currents'? Unclear,

- Is second paragraph required at all? Details of deflagrations and detonations are covered in their own articles. Perhaps just discuss 'main mechanism' of DDT, or if the phenomenon is not fully understood, make that the thrust of the article,

- citations required for examples. Which investigations concluded that DDT occurred cf unconfined vapor cloud explosions being inherent detonation events?,

- citation for thermobaric weapons?,

- last paragraph: 'this phenomenon' - unclear. Refers to DDT, thermonuclear reactions or carbon detonation? ('carbon should not be capitalized in this instance, and

- last paragraph implies that thermonuclear reactions are / can be subsonic (regardless of differentiation between nuclear and combustion processes).

Good topic, but needs a re-write. Would have done it myself, but not enough time at present.

Needs expanding: DDT in explosives, propellants, ammonium nitrate, etc...

DDT isn't limited to gases, the phenomenon is important in the field of explosives and propellants. Probably played a role in some of the worst industrial explosions like the PEPCON disaster and most of the Ammonium nitrate disasters. It readily occurs in explosives like acetone peroxide and ETN.

Importance in primary explosives?

Role of granulation, defects, "air pockets" in explosive mass...

http://www.dtic.mil/dtic/tr/fulltext/u2/a148302.pdf Prevalence (talk) 14:15, 7 January 2016 (UTC)[reply]