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Flow of gas with a cellular vortical structure through a nozzle

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Abstract

The operation of rocket motors is often accompanied by the development of powerful secondary vortices in the combustion chamber [1–3], The superposition of the secondary vortices on the main flow leads to the formation of a cellular flow structure. Each of the cells represents a three-dimensional vortical circulation of the gas, and this causes a change in the working conditions of the nozzle. The model of helical motion [4] is used in this paper in considering the influence of the three-dimensional behavior of an adiabatic flow on the flow and traction characteristics of the nozzle.

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Literature cited

  1. G. A. Flandro, “Roll torque and normal-force generation in acoustically unstable rocket motors,∝ AIAA J.2, No. 7 (1964).

  2. V. S. Ilyukhin, M. I. Levichek, A. D. Margolin, and P. F. Pokhil, “Study of acoustic instability in the burning of gunpowder by motion photography,∝ in: Vibrational Combustion [in Russian], Izd. Kazan. Univ. (1970).

  3. J. Swithenbank and G. Sotter, “Vortex generation in solid propellent rockets,∝ AIAA J.2, No. 7 (1964).

  4. Yu. A. Gostintsev, “Flow characteristics of a nozzle during the outflow of a helical gas stream,∝ Izv. Akad. Nauk SSSR, Mekhan. Zhidk. Gaza, No. 4 (1969).

  5. Yu. A. Gostintsev, O. A. Uspenskii, and P. F. Pokhil, “Helical flows with multiple circulation in channels of arbitrary shape,∝ Izv. Akad. Nauk SSSR, Mekhan. Zhidk. Gaza, No. 2 (1973).

  6. K. G. Guderley, The Theory of Transonic Flow, Pergamon, New York (1962).

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Authors and Affiliations

  1. Moscow

    Yu. A. Gostintsev & O. A. Uspenskii

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  1. Yu. A. Gostintsev
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  2. O. A. Uspenskii
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Translated from Izvestiya Akademii Nauk SSSR, Mekhanika Zhidkosti i Gaza, No. 4, pp. 19–25, July–August, 1974.

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Gostintsev, Y.A., Uspenskii, O.A. Flow of gas with a cellular vortical structure through a nozzle. Fluid Dyn 9, 518–523 (1974). https://doi.org/10.1007/BF01031306

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  • DOI: https://doi.org/10.1007/BF01031306

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