Normal interaction between a supersonic axisymmetric jet and a surface containing a hole coaxial with the jet |
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| Authors: | S V Bulovich A N Bazhenov and R L Petrov |
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| Institution: | 1.St. Petersburg State Polytechnical University,St. Petersburg,Russia;2.Institute for Analytical Instrument Making,Russian Academy of Sciences,St. Petersburg,Russia |
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| Abstract: | The influence of the position of a supersonic jet source relative to a flat plate and of the size of a hole on it on the amplitude
and frequency of shock wave oscillations is numerically investigated by integrating 2D Navier-Stokes equations using the predictor-corrector
scheme of the second-order accuracy in time and space. Depending on the source-plate distance, an increase in the hole size
raises or lowers the oscillation frequency. The oscillation amplitude decreases with increasing hole size. |
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