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Gasdynamic effects of periodic energy input into a divergent channel

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Abstract

The influence of the space-time characteristics of a pulsed energy source on a supersonic flow through a divergent channel is considered. It is found that low-frequency energy sources used for generating the thrust may provide a considerably higher specific force than continuous energy input. The influence of the duration of periodically applied energy pulses on the specific force is shown to be nonmonotonic. Short pulses provide a much higher specific force compared with steady energy input. The nonuniformity of the energy input distribution along the channel is found to have a noticeable effect on the specific force.

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Authors and Affiliations

  1. Khristianovich State University, Institute of Theoretical and Applied Mechanics, Siberian Branch, Russian Academy of Sciences, Institutskaya ul. 4/1, Novosibirsk, 630090, Russia

    V. P. Zamuraev & A. P. Kalinina

Authors
  1. V. P. Zamuraev
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  2. A. P. Kalinina
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Correspondence to V. P. Zamuraev.

Additional information

Original Russian Text © V.P. Zamuraev, A.P. Kalinina, 2010, published in Zhurnal Tekhnicheskoĭ Fiziki, 2010, Vol. 80, No. 1, pp. 41–44.

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Zamuraev, V.P., Kalinina, A.P. Gasdynamic effects of periodic energy input into a divergent channel. Tech. Phys. 55, 40–43 (2010). https://doi.org/10.1134/S106378421001007X

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  • DOI: https://doi.org/10.1134/S106378421001007X

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