Experimental investigation of the ignition of a stoichiometric hydrogen–oxygen mixture behind an incident shock wave in a shock tube at pressures p = 0.002–0.46 MPa and temperatures T = 500–1000 K is carried out. The existence of three limits of ignition typical of the ignition of hydrogen–oxygen mixtures in a spherical vessel is noted. It is shown that at pressures p ≥ 0.1 MPa the ignition of a hydrogen–oxygen mixture begins at a much lower temperature than the ignition of a hydrogen–air mixture. The measured induction times agree well with theoretical estimates.
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 89, No. 3, pp. 575–579, May–June, 2016.
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Pavlov, V.A., Gerasimov, G.Y. Ignition of Hydrogen–Oxygen Mixtures Behind the Incident Shock Wave Front. J Eng Phys Thermophy 89, 587–591 (2016). https://doi.org/10.1007/s10891-016-1415-7
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DOI: https://doi.org/10.1007/s10891-016-1415-7