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Experimental study of strong shock propagation in a channel

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Abstract

The widespread use of shock tubes in laboratory practice is well known. However, despite existing information [1] about shock-wave velocities of ∼ 100 km/sec, experimental data on the size of the shock-heated region behind the shock front are confined to the Mach numbers M = 10 [2]. Theoretical data do not go beyond the limit of this range except for air where calculations were performed up to M = 20 [3, 4]. Behind strong shocks, the effects resulting from viscosity, thermal conductivity, and radiation of the medium should lead to serious deviation of the actual flow from the idealized pattern for uniform motion of a piston in a channel filled with anonviscous, thermally nonconducting, and nonradiating medium. It is therefore practical to make an experimental study of the behavior of density and of the size of the shock-heated region behind a shock front propagating down the channel of a shock tube that is capable of producing velocities up to 8 km/sec.

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Translated from Zhurnal Prikladnoi Mekhaniki i Tekhnicheskoi Fiziki, No. 4, pp. 23–28, July–August, 1976.

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Kon'kov, A.A., Sokolov, A.I. Experimental study of strong shock propagation in a channel. J Appl Mech Tech Phys 17, 472–476 (1976). https://doi.org/10.1007/BF00851995

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Keywords

  • Radiation
  • Viscosity
  • Mathematical Modeling
  • Thermal Conductivity
  • Experimental Study