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Combustion, Explosion and Shock Waves

2013 year, number 4

Numerical Simulation of Experiments to Determine Ignition Delays behind Incident Shock Wave

V. Yu. Gidaspov, N. S. Severina
Keywords: shock tube, detonation, ignition delay, numerical simulation, explicit selection of gas-dynamic discontinuities


This paper presents a physicomathematical model and results of numerical simulation of the initiation and propagation of detonation waves in shock tubes. A combustible mixture of hydrogen and oxygen diluted with argon is considered. A detailed structure of the flow in the shock tube is obtained by calculations. The calculated ignition delay was compared with experimental data.