Processes proceeding in a pulsed liquid-jet generator were investigated in the acoustic and gasdynamic approximations. In the acoustic approximation, the problem on the one-dimensional movement of the liquid in the generator with no movement of its piston and no liquid outflow from it was considered. In the gasdynamic approximation, the problems on one-dimensional and axisymmetric liquid flows in the generator were solved numerically with regard for the movement of the generator piston, the liquid outflow from the generator, and the cavitation of the liquid in it. A one-dimensional liquid flow in the generator was calculated using the potential method, a scheme with introduction of artificial viscosity, the Godunov method, and modifications of this method. Results of calculations of the movement of the liquid in the generator by different models were compared, and corresponding conclusions have been made.
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 93, No. 4, pp. 926–942, July–August, 2020.
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Semko, A.N., Kazak, O.V. Features of High-Velocity Pulsating Liquid Jets. J Eng Phys Thermophy 93, 893–910 (2020). https://doi.org/10.1007/s10891-020-02192-7
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DOI: https://doi.org/10.1007/s10891-020-02192-7