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  1. No Access

    Article

    Study of effect of a smooth hump on hypersonic boundary layer instability

    Effect of a two-dimensional smooth hump on linear instability of hypersonic boundary layer is studied by using parabolized stability equations. Linear evolution of mode S over a hump is analyzed for Mach 4.5 a...

    Donghun Park, Seung O. Park in Theoretical and Computational Fluid Dynamics (2016)

  2. No Access

    Article

    Passive control of pitch-break of a BWB UCAV model using vortex generator

    To examine the effect of vortex generator on pitch-break control for a BWB model having lambda wing configuration, wind tunnel experiments were conducted. Tests were carried out at two freestream velocities of...

    HoJoon Shim, Seung-O Park in Journal of Mechanical Science and Technology (2015)

  3. No Access

    Article

    Streamwise streaks and secondary instability in a two-dimensional bent channel

    Streamwise streaks generated from a pair of oblique waves and secondary instability of the streaks are studied in a two-dimensional bent channel. Nonlinear parabolized stability equations (NPSE) are employed t...

    Donghun Park, Seung O. Park in Theoretical and Computational Fluid Dynamics (2014)

  4. No Access

    Article

    Study of tonal noise behavior of an airfoil by using parabolized stability equations

    Tonal noise or whistle noise is an aerodynamic noise known to be generated due to boundary layer instability. The relation between the instability of Tollmien–Schlichting wave and the tonal noise was dealt wit...

    Donghun Park, Seung O. Park in Theoretical and Computational Fluid Dynamics (2013)

  5. No Access

    Article

    Surface flow pattern and local mass transfer on the free-end surface of a finite circular cylinder

     Relation between the surface flow pattern and the local mass transfer characteristic on the free end surface of a finite circular cylinder mounted on a flat plate was investigated using the oil surface flow v...

    Sung Cheoul Roh, Seung O. Park in Heat and Mass Transfer (2001)