2. Subsonic combustion propagation: laminar and turbulent deflagrations

2.1 Laminar deflagration

Let's take our reactive wave model from figure 2 . When combustion is slow (low velocity D ), the fresh gases have time to expand so that the transformation is quasi-isobaric. Due to this expansion, deflagration sets the fresh gases in motion in front of the combustion front (U ₁ > 0). If we close the end on the burnt gas side (U _b = 0) and call V _F instead of D the apparent velocity...

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Subsonic combustion propagation: laminar and turbulent deflagrations

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page Background to the physics of premixed gas combustion

Detonation and the deflagration-detonation transition

Bibliography

(1) - ABDEL-GAYED (R.G.), Al-KHISHALI (K.J.), BRADLEY (D.) - Turbulent burning velocities and flame straining in explosions. - Proceeding of the Royal Society of London, A391, p. 393-414 (1984).
(2) - ABDEL-GAYED (R.G.), BRADLEY (D.) - Dependence of turbulent...