Department of Mechanical Science and Bioengineering
Graduate School of Engineering Science, Osaka University
1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan
kawahara at me.es.osaka-u.ac.jp
phone/fax: +81 (0)6 6850 6160
Turbulent heat transfer
Flow instability and transition to turbulence
Simple invariant sets (equilibrium and periodic solutions, and their stable and unstable manifolds) in turbulent flows
Wrap tilt and stretch of vorticity lines around a strong thin straight vortex tube in a simple shear flow
J. Fluid Mech., 353 (1997), 115-162.
Zero-absolute-vorticity state in a rotating turbulent shear flow
Phys. Fluids, 12-8 (2000), 1979-1985.
Turbulent shear flow over active and passive porous surfaces
J. Fluid Mech., 442 (2001), 89-117.
Periodic motion embedded in plane Couette turbulence: regeneration cycle and burst
J. Fluid Mech., 449 (2001), 291-300.
Linear instability of a corrugated vortex sheet -- a model for streak instability
J. Fluid Mech., 483 (2003), 315-342.
Generation and sustenance mechanisms of coherent vertical structures in rotating shear turbulence of zero-mean-absolute vorticity
Fluid Dynamics Research, 35 (2004), 237-254.
Characterization of near-wall turbulence in terms of equilibrium and gburstingh solutions
Phys. Fluids, 17-1 (2005), 015105.
(8) G. Kawahara
Laminarization of minimal plane Couette flow: Going beyond the basin of attraction of turbulence
Phys. Fluids, 17-4 (2005), 041702.
(9) G. Kawahara
Energy dissipation in spiral vortex layers wrapped around straight vortex tube
Phys. Fluids, 17-5 (2005), 055111.
Elementary coherent structures in turbulent flows
Parity, 20-12 (2005).
Periodic motion representing isotropic turbulence
Fluid Dynamics Research, 38 (2006), 19-46.
Unstable periodic motion in turbulent flows
Nonlinear Process in Geophysics, 13 (2006), 499-507.
Marginally turbulent flow in a square duct
J. Fluid Mech., 588 (2007), 153-162.
Theoretical interpretation of coherent structures in near-wall turbulence
Fluid Dynamics Research, 41 (2009), 064001.
Reynolds number dependence of mean flow structure in square duct turbulence
J. Fluid Mech., 644 (2010), 107-122.
Traveling-waves consistent with turbulence-driven secondary flow in a square duct
Phys. Fluids, 22-8 (2010), 084102.
On matrix-free computation of 2D unstable manifolds
SIAM Journal on Scientific Computing, 33 (2011), 25-44.
Turbulence- and buoyancy-driven secondary flow in a horizontal square duct heated from below
Phys. Fluids, 23-7 (2011), 075103.
Homoclinic tangle on the edge of shear turbulence
Phys. Rev. Lett., 107-11 (2011), 114501.
The significance of simple invariant solutions in turbulent flows
Ann. Rev. Fluid Mech., 44 (2012), 203-225.
Splitting of a turbulent puff in pipe flow
Fluid Dynamics Research, 46 (2014), 061403.
Quasi-cyclic evolution of turbulence driven by a steady force in a periodic cube
Fluid Dynamics Research, 46 (2014), 061413.
Turbulent mixing in a precessing sphere
Phys. Fluids, 26 (2014), 115106.
Localized turbulence structures in transitional rectangular-duct flow
J. Fluid Mech., 782 (2015), 368-379.