Abstract
An approximate analytical solution is presented for the attenuation of planar shock waves in channels with perforated walls. The problem is considered as quasi-one-dimensional. Good agreement is found between the theoretical results and available experimental data regarding the rate of shock wave attenuation within the range of initial shock Mach numbers between 1.1 and 4 and perforation ratios between 4.5 × 10−3 and 0.53. A correlation for the discharge coefficient of a single hole perforation is presented which gives quantitatively good agreement with particular experimental observations.
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Frolov, S.M., Gelfand, B.E. Shock wave attenuation in partially confined channels. Shock Waves 2, 97–101 (1992). https://doi.org/10.1007/BF01415897
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DOI: https://doi.org/10.1007/BF01415897