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Investigation of the Structure and Characteristics of a Nonstationary Supersonic Gas Jet Produced By a Pulse Generator

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Journal of Engineering Physics and Thermophysics Aims and scope

The initiation of a shock wave in the gas space of a pulse generator, the exit of this wave from the generator nozzle, and the formation of a nonstationary gas-jet flow downstream of the nozzle exit section were experimentally investigated and numerically simulated as applied to the installations for the gas-pulse cleaning of heat transfer surfaces. An experimental investigation of the structure of a nonstationary underexpanded supersonic gas jet discharging from the generator nozzle into an immersed space and propagating along a side screen modeling a heat transfer surface cleaned was performed on an air stand. The shock-wave and vortex structures of such a jet were numerically investigated in detail by the method used for the simulation of large vortices.

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Authors and Affiliations

  1. D. F. Ustinov Baltic State Technical University “VOENMEKH”, 1 1st Krasnoarmeiskaya Str, St. Petersburg, 190005, Russia

    K. N. Volkov, V. N. Emel’yanov, A. V. Efremov, A. I. Tsvetkov & P. S. Chernyshov

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  1. K. N. Volkov
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  2. V. N. Emel’yanov
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  3. A. V. Efremov
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  4. A. I. Tsvetkov
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  5. P. S. Chernyshov
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Correspondence to K. N. Volkov.

Additional information

A. I. Tsvetkov is deceased

Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 94, No. 5, pp. 1285–1295, September–October, 2021.

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Volkov, K.N., Emel’yanov, V.N., Efremov, A.V. et al. Investigation of the Structure and Characteristics of a Nonstationary Supersonic Gas Jet Produced By a Pulse Generator. J Eng Phys Thermophy 94, 1255–1265 (2021). https://doi.org/10.1007/s10891-021-02406-6

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  • DOI: https://doi.org/10.1007/s10891-021-02406-6

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