Detonation Waves in Methane/Hydrogen/Oxygen/Coal Suspension Systems
A. V. Pinaev, P. A. Pinaev
Lavrentyev Institute of Hydrodynamics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090 Russia
Keywords: methane, hydrogen, coal suspension, detonation, explosion wave, mine explosions, multi-fuel systems
Abstract
Detonation waves in gaseous two-fuel systems CH4/H2/O2 and heterogeneous three-fuel systems CH4/H2/O2/coal suspension are experimentally studied. The experiments are performed with coal particle sizes 0 < d ≤ 200 μm and mean-volume densities of 160 ÷ 400 g/m3. The velocities along the tube and the pressure profiles in incident detonation and reflected waves are measured. The influence of the fuel components on the wave parameters is analyzed. The experimental detonation parameters are compared with the predicted thermodynamic equilibrium detonation parameters.
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