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Experimental study of the sound amplification in a vibrationally excited nonequilibrium gas plasma

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Abstract

The experimental study of the process of sound propagation along a positive column showed that the sound amplification in a stationary diffuse discharge in nitrogen obeys a linear theory. However, the discharge column contraction leads to a jumplike increase in the gain, in agreement with a nonlinear theory of the sound amplification in a vibrationally excited nonequilibrium molecular gas.

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Authors and Affiliations

  1. Institute of Applied Physical Problems, National Academy of Sciences of Armenia, Yerevan, Armenia

    G. A. Galechyan & A. R. Mkrtchyan

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  1. G. A. Galechyan
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  2. A. R. Mkrtchyan
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Translated from Pis’ma v Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 27, No. 14, 2001, pp. 68–73.

Original Russian Text Copyright © 2001 by Galechyan, Mkrtchyan.

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Galechyan, G.A., Mkrtchyan, A.R. Experimental study of the sound amplification in a vibrationally excited nonequilibrium gas plasma. Tech. Phys. Lett. 27, 605–607 (2001). https://doi.org/10.1134/1.1388959

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  • DOI: https://doi.org/10.1134/1.1388959

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