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Fluctuating Powder-Driven Pulsed Water Jet

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Abstract

A study is made of the internal ballistics of a powder-driven pulsed water jet which generates a fluctuating, high velocity stream of liquid. The velocity fluctuations are caused by the use of a light piston which, together with the gases produced by the powder, forms an oscillating system. Calculations of the water jet parameters in the nonstationary and quasistationary approximations are compared. It is shown that the period of the stream velocity fluctuations depends on the initial pressure of the gases produced by the powder, the masses of the piston and water, and the geometry of the apparatus. The period of the fluctuations estimated in a linear approximation for instantaneous powder burnup is in good agreement with the quasistationary calculations.

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REFERENCES

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Authors and Affiliations

  1. Donetsk State University, Ukraine

    A. N. Semko

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  1. A. N. Semko
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Semko, A.N. Fluctuating Powder-Driven Pulsed Water Jet. Journal of Mathematical Sciences 103, 418–422 (2001). https://doi.org/10.1023/A:1011391018375

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  • DOI: https://doi.org/10.1023/A:1011391018375

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