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10 Result(s)

within I. N. Kavun Remove this filter Applications of Mathematics Remove this filter

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  1. No Access

    Article

    EFFECT OF INTERNAL PYLONS ON THE PARAMETERS OF THE JET FLOW IN A NOZZLE WITH A CENTRAL BODY

    A high-velocity flow in an axisymmetric nozzle containing a central body and pylons is studied. The influence of the geometry of the main and additional pylons on the gas-dynamic and thrust characteristics at ...

    N. P. Kiselev, I. N. Kavun, V. I. Zapryagaev… in Journal of Applied Mechanics and Technical… (2023)

  2. No Access

    Article

    RECONSTRUCTION OF TRANSONIC FLOW PARAMETERS IN THE CONE WAKE

    This paper presents a method for reconstructing the gas-dynamic parameters of gas flow based on non-contact PIV measurements of the velocity field. The wake flow past a model single rocket nozzle of an emergen...

    V. I. Zapryagaev, I. N. Kavun, S. P. Rybak… in Journal of Applied Mechanics and Technical… (2022)

  3. No Access

    Article

    REATTACHMENT OF A LAMINAR SEPARATED FLOW AT A HYPERSONIC VELOCITY OF THE FLOW

    This paper describes a study of a laminar separated flow in a compression corner for the Mach number of the incident flow M = 6 and 8. The shock-wave structure of the flow in its reattachment region is conside...

    V. I. Zapryagaev, I. N. Kavun… in Journal of Applied Mechanics and Technical… (2020)

  4. No Access

    Article

    Unsteady Pseudo-Jump in a Shock Tube

    This paper describes a numerical simulation of an unsteady axisymmetric flow in a shock tube, which arises as a strong shock wave incident on the end face of the tube is reflected under conditions in which a c...

    Yu. P. Gun’ko, I. N. Kavun in Journal of Applied Mechanics and Technical Physics (2020)

  5. No Access

    Article

    Effect of Air Blowing and Suction Through Single Slots on the Aerodynamic Performances of an Airfoil

    Steady air blowing (suction) into a turbulent boundary layer on the NACA 0012 airfoil through singular slots located on the opposite sides near the trailing edge is studied experimentally and numerically. The ...

    V. I. Kornilov, I. N. Kavun, A. N. Popkov in Journal of Applied Mechanics and Technical… (2019)

  6. No Access

    Article

    Development of the Air Blowing and Suction Technology for Control of a Turbulent Flow on an Airfoil

    The possibility of using a combined method of control of an incompressible turbulent boundary layer on the NACA 0012 airfoil is studied experimentally and numerically. The method is based on air blowing and su...

    V. I. Kornilov, I. N. Kavun, A. N. Popkov in Journal of Applied Mechanics and Technical… (2019)

  7. No Access

    Article

    Flow structure formed due to interaction of a supersonic jet with a porous obstacle

    Results of studying im**ement of a supersonic underexpanded air jet onto a finite-thickness porous metal obstacle whose frontal plane is normal to the jet axis and whose side surface is impermeable for the g...

    V. I. Zapryagaev, I. N. Kavun… in Journal of Applied Mechanics and Technical… (2015)

  8. No Access

    Article

    Im**ement of a supersonic underexpanded jet onto obstacles with different permeabilities

    Results of an experimental study of the flow structure and characteristics of flow oscillations induced by im**ing of a supersonic underexpanded jet onto obstacles made of permeable and impermeable materials...

    V. I. Zapryagaev, A. V. Solotchin… in Journal of Applied Mechanics and Technical… (2011)

  9. No Access

    Article

    Flow structure at the initial section of a supersonic jet exhausting from a nozzle with chevrons

    The spatial structure of the flow in a supersonic underexpanded jet exhausting from a convergent nozzle with vortex generators (chevrons) at the exit is experimentally studied. Exhaustion of a supersonic under...

    V. I. Zapryagaev, I. N. Kavun, N. P. Kiselev in Journal of Applied Mechanics and Technical… (2010)

  10. No Access

    Article

    Experimental study of the reverse flow in the forward separation region in a pulsating flow around a spiked body

    The flow with a free-stream Mach number M ∞ = 6 around a cylindrical body with a sharp spike is studied. The existence of a supersonic reverse flow for one of the phases of the pulsating f...

    V. I. Zapryagaev, I. N. Kavun in Journal of Applied Mechanics and Technical Physics (2007)