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Effect of pressure on normal flame velocity investigated by the initial-section method in a constant-volume vessel

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Combustion, Explosion and Shock Waves Aims and scope

Summary

  1. 1.

    There is a linear relationship between the coefficient of expansion of the combustion products and the end pressure of the explosion in a constant-volume bomb. This relationship can be expressed by the simple approximate equation Ei=0.85 pe/pi. This equation, in conjunction with the constant-volume bomb method, makes it possible to determine the normal velocity of a flame from the experimental data: apparent flame velocity and end pressure.

  2. 2.

    Normal flame velocities have been determined in stoichiometric mixtures of air and benzene, n-heptane, and isooctane in the pressure range 1–16 atm at Ti=150° C. For all three fuels a negative pressure dependence of the normal velocity is observed, the exponent in this dependence being a variable.

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Authors
  1. V. S. Babkin
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  2. A. V. V'yun
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  3. L. S. Kozachenko
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Additional information

Fizika Goreniya i Vzryva, Vol. 2, No. 2, pp. 52–60, 1966

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Babkin, V.S., V'yun, A.V. & Kozachenko, L.S. Effect of pressure on normal flame velocity investigated by the initial-section method in a constant-volume vessel. Combust Explos Shock Waves 2, 32–37 (1966). https://doi.org/10.1007/BF00749229

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  • DOI: https://doi.org/10.1007/BF00749229

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