Prof Xuesong Wu

    • Room No : 637, Huxley Building
    • Telephone No. : +44 207 594 8494
    • E-Mail Address : x.wu@ic.ac.uk

    Research Interests :

    • General Research interests: Fluid mechanics; Applied mathematics.

    • Particular Research Interests:
        • Boundary layer theory; Hydrodynamic instability & Laminar-turbulent transition; Nonlinear waves;
        Aeroacoustics; Combustion instability.

    Some Recent Publications :

  • On generation of sound in wall-bounded shear flows: source identification, mean-flow refraction, back action of sound and global acoustic coupling. J. Fluid Mech., (in press) (2011).

  • Excitation of steady and unsteady Gortler vortices by free-stream vortical disturbances. J. Fluid Mech., 682, 66-100. (2011, with D. Zhao and J. Luo).

  • Evolution and instability of nonlinear unsteady streaks generated by free-stream vortical disturbances. J. Fluid Mech., 677, 1-38. (2011, with P. Ricco and J. Luo).

  • Large-activation-energy theory for premixed combustion under the influence of enthalpy fluctuations. J. Fluid Mech., 655, 3-23. (2010, with P. Moin).

  • On linear instability of a finite Stokes layer: instantaneous versus Floquet modes. Phys. Fluids , 22, 054106, dio:10.1063/1.3422004. (2010, with J. Luo).

  • Low-frequency sound radiated by a nonlinearly modulated wavepacket of helical modes on a subsonic circular jet. J. Fluid Mech., 637, 173-211. (2009, with P. Huerre).

  • Flame-acoustic resonance initiated by vortical disturbances. J. Fluid Mech., 634, 321-357. (2009, with C. K. Law).

  • Nonlinear development of subsonic modes on compressible mixing layers: a unified strongly nonlinear critical-layer theory. J. Fluid Mech., 614, 105-144. (2008, with C. A. Sparks).

  • Instability of a stratified boundary layer and its coupling with internal gravity waves. Part I: Linear and nonlinear instabilities. J. Fluid Mech., 595, 379-408. (2008, with J. Zhang).

  • Instability of a stratified boundary layer and its coupling with internal gravity waves. Part II: Coupling with internal gravity waves via topography. J. Fluid Mech., 595, 409-433. (2008, with J. Zhang).

  • On the catalytic role of the phase-locked interaction of Tollmien--Schlichting waves in boundary-layer transition. J. Fluid Mech. 590, 265-294. (2007, with P. A. Stewart and S. J. Cowley).

  • Response of a compressible laminar boundary layer to free-stream vortical disturbances. J. Fluid Mech. 587, 97-138. (2007, with P. Ricco).

  • Viscous-inviscid interaction in transonic Prandtl-Meyer flow. J. Fluid Mech. 568, 387-424. (2006, with A. Ruban and R. Perera).

  • Acoustic radiation of Tollmien-Schlichting waves as they undergo rapid distortion. J. Fluid Mech. 550, 307-347. (2006 with L. Hogg).

  • Influence of small imperfections on the stability of plane Poiseuille flow and limitation of Squire's theorem. Phys. Fluids 18(044104). (2005 with J. S. Luo).

  • Asymptotic approach to combustion instability. Phil. Trans. Roy. Soc. Lond. 363, 1247-1259 (2005).

  • Mach wave radiation of nonlinearly evolving supersonic instability modes in shear flows. J. Fluid Mech. 523, 121-159. (2005).

  • Non-equilibrium, nonlinear critical layers in laminar-turbulent transition. Acta Mechanica Sinica 20, 327-339 (2004).

  • Influence of small imperfections on the stability of plane Poiseuille flow: A theoretical model and direct numerical simulation. Phys. Fluids 16(8), 2852-2863. (2004, with J.S. Luo).

  • Combustion instability due to the nonlinear interaction between sound and flame. J. Fluid Mech. 497, 23-53. (2003, with M. Wang, P. Moin and N. Peters).

  • Linear and nonlinear instability of a Blasius boundary layer perturbed by streamwise vortices. Part II: Intermittent instability induced by long-wavelength Klebanoff modes. J. Fluid Mech. 483, 249-283. (2003, with M. Choudhari).

  • Linear and nonlinear instability of a Blasius boundary layer perturbed by streamwise vortices. Part I: Steady streaks. J. Fluid Mech. 483, 225-248. (2003, with J.S. Luo).

  • Stability of flow in a channel with vibrating walls. Phys. Fluids 14, 3927-2936. (2002, with J.M. Floryan and J. Szumbarski).

  • Generation of sound and instability waves due to unsteady suction and injection. J. Fluid Mech. 453, 289-313 (2002).

  • On local boundary-layer receptivity to vortical disturbances in the free stream. J. Fluid Mech. 449, 373-393 (2001).

  • Receptivity of boundary layers with distributed roughness to acoustic and vortical disturbances: a second-order asymptotic theory and comparison with experiments. J. Fluid Mech. 431, 91-133 (2001).

  • Generation of Tollmien-Schlichting waves by convecting gusts interacting with sound. J. Fluid Mech. 397, 285-316 (1999).

  • On the nonlinear evolution of a pair of oblique Tollmien-Schlichting waves in boundary layers. J. Fluid Mech. 340, 361-394. (1997, with S.J. Leib and M.E. Goldstein).

  • On oblique-mode breakdown in boundary layers. AIAA Paper , 96-2133 (1996).

  • On the weakly nonlinear development of Tollmien-Schlichting wavetrains in boundary layers. J. Fluid Mech. 323, 133-171. (1996, with P.A. Stewart and S.J. Cowley).

  • On an active resonant triad of mixed modes in symmetric shear flows: a plane wake as a paradigm. J. Fluid Mech. 317, 337-368. (1996).

  • Interaction of phase-locked modes: a new mechanism for the rapid growth of three-dimensional disturbances. J. Fluid Mech. 316, 335-372. (1996, with P.A. Stewart). A slimed-down version is published in Proc. of IUTAM Symposium on Laminar-Turbulent Transition, Sendai, (ed. R. Kobayashi), pp. 45-52. Springer. (1995).

  • The resonant-triad interaction in boundary-layer transition. In Proc. of IUTAM Symposium on Laminar-Turbulent Transition, Sendai, (ed. R. Kobayashi), pp. 365-372. Springer. (1995, with M.J. Jennings and P.A. Stewart).

  • Stability of cellular states of the Kuramoto-Sivashinsky equation. SIAM J. Appl. Maths. 56, 1621-1638. (1996, with J.N. Elgin).

  • Viscous effects on fully coupled resonant-triad interactions: an analytical approach. J. Fluid Mech. 292, 377-407. (1995).

  • On the nonlinear evolution of instability modes in unsteady shear layers: the Stokes layer as a paradigm. Q. J. Mech. Appl. Math., 48, 159-188. (1995, with S.J. Cowley).

  • Asymptotic approaches to transition modelling. In Progress in Transition Modelling: AGARD Report 793, 1-38. (1994, with S.J. Cowley).

  • Nonlinear temporal-spatial modulation of near-planar Rayleigh waves in shear flows: formation of streamwise vortices. J. Fluid Mech. 256, 685-719. (1993).

  • On critical-layer and diffusion-layer nonlinearity in the three dimensional stage of boundary-layer transition. Proc. Roy. Soc. Lon. A443, 95-106. (1993).

  • On the weakly nonlinear instability of shear flows to pairs of oblique waves: the Stokes layer as a paradigm. J. Fluid Mech. 253, 681-720. (1993, with S.S. Lee and S.J. Cowley).

  • A critical-layer analysis of resonant triad in Blasius boundary layer transition: nonlinear interactions. J. Fluid Mech. 256, 85-106. (1993, with R.R. Mankbadi and S.S. Lee).

  • The nonlinear evolution of high-frequency resonant triad waves in an oscillatory Stokes-layer at high Reynolds number. J. Fluid Mech. 245, 553-797. (1992).