Publications
84 results found
Ricco P, Wu X, 2007, Nonlinear development of Klebanoff modes in a laminar boundary layer, 11th EUROMECH European Turbulence Conference, Publisher: SPRINGER-VERLAG BERLIN, Pages: 726-726, ISSN: 0930-8989
Ruban AI, Wu X, Pereira RMS, 2006, Viscous-inviscid interaction in transonic Prandtl-Meyer flow, JOURNAL OF FLUID MECHANICS, Vol: 568, Pages: 387-424, ISSN: 0022-1120
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- Citations: 9
Wu XS, Luo JS, 2006, Influence of small imperfections on the stability of plane Poiseuille flow and the limitation of Squire's theorem, PHYSICS OF FLUIDS, Vol: 18, ISSN: 1070-6631
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- Citations: 4
Wu XS, Hogg LW, 2006, Acoustic radiation of Tollmien-Schlichting waves as they undergo rapid distortion, JOURNAL OF FLUID MECHANICS, Vol: 550, Pages: 307-347, ISSN: 0022-1120
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- Citations: 27
Ricco P, Wu XS, 2006, Effect of free-stream turbulence on a compressible laminar boundary layer, 6th IUTAM Symposium on Laminar-Turbulent Transition, 13 - 17 December 2004, Bangalore, INDIA, Publisher: Springer, Pages: 139-144
Wu XS, 2006, The role of external disturbances in laminar-turbulent transition, 6th IUTAM Symposium on Laminar-Turbulent Transition, 13 - 17 December 2004, Bangalore, INDIA, Publisher: Springer, Pages: 25-35
Wu X, 2005, Asymptotic approach to combustion instability., Philos Trans A Math Phys Eng Sci, Vol: 363, Pages: 1247-1259, ISSN: 1364-503X
This paper presents an asymptotic approach to combustion instability in premixed flames under the assumptions of large activation energy and small Mach number. The entire flow consists of four distinct yet fully interactive sub-regions, which accommodate the chemical reaction, heat transport, hydrodynamics and acoustics, respectively. A reduced system was derived to describe the intricate coupling between the flame and acoustics that underlies the combustion instability. The asymptotically reduced system was employed to study the weakly nonlinear interaction between the Darrieus-Landau instability and the longitudinal acoustic mode of the combustion chamber. The general asymptotic formulation includes the influence of enthalpy fluctuation in the oncoming mixture. It is shown that one-dimensional enthalpy fluctuation, through its interaction with flame, produces sound waves, and may cause parametric instability of the flame. The mutual coupling between the sound wave and parametric instability is analysed at the instability thresholds.
Wu XS, 2005, Asymptotic approach to combustion instability, Workshop on New Developments and Application in Rapid Fluid Flows, Publisher: ROYAL SOC, Pages: 1247-1259, ISSN: 1364-503X
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- Citations: 4
Wu XS, 2005, Mach wave radiation of nonlinearly evolving supersonic instability modes in shear layers, JOURNAL OF FLUID MECHANICS, Vol: 523, Pages: 121-159, ISSN: 0022-1120
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- Citations: 22
Luo JS, Wu XS, 2004, Influence of small imperfections on the stability of plane Poiseuille flow: A theoretical model and direct numerical simulation, PHYSICS OF FLUIDS, Vol: 16, Pages: 2852-2863, ISSN: 1070-6631
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- Citations: 9
Wu XS, Wang M, Moin P, et al., 2003, Combustion instability due to the nonlinear interaction between sound and flame, JOURNAL OF FLUID MECHANICS, Vol: 497, Pages: 23-53, ISSN: 0022-1120
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- Citations: 40
Wu XS, Luo JS, 2003, Linear and nonlinear instabilities of a Blasius boundary layer perturbed by streamwise vortices. Part 1. Steady streaks, JOURNAL OF FLUID MECHANICS, Vol: 483, Pages: 225-248, ISSN: 0022-1120
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- Citations: 24
Wu XS, Choudhari M, 2003, Linear and nonlinear instabilities of a Blasius boundary layer perturbed by streamwise vortices. Part 2. Intermittent instability induced by long-wavelength Klebanoff modes, JOURNAL OF FLUID MECHANICS, Vol: 483, Pages: 249-286, ISSN: 0022-1120
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- Citations: 41
Floryan JM, Szumbarski J, Wu X, 2002, Stability of flow in a channel with vibrating walls, PHYSICS OF FLUIDS, Vol: 14, Pages: 3927-3936, ISSN: 1070-6631
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- Citations: 15
Wu XS, 2002, Generation of sound and instability waves due to unsteady suction and injection, JOURNAL OF FLUID MECHANICS, Vol: 453, Pages: 289-313, ISSN: 0022-1120
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- Citations: 10
Wu XS, 2001, On local boundary-layer receptivity to vortical disturbances in the free stream, JOURNAL OF FLUID MECHANICS, Vol: 449, Pages: 373-393, ISSN: 0022-1120
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- Citations: 36
Wu XS, 2001, Receptivity of boundary layers with distributed roughness to vortical and acoustic disturbances: a second-order asymptotic theory and comparison with experiments, JOURNAL OF FLUID MECHANICS, Vol: 431, Pages: 91-133, ISSN: 0022-1120
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- Citations: 56
Wu X, 1999, Generation of Tollmien-Schlichting waves by convecting gusts interacting with sound, Journal of Fluid Mechanics, Vol: 397, Pages: 285-316, ISSN: 0022-1120
Wu X, Leib SJ, Goldstein ME, 1997, On the nonlinear evolution of a pair of oblique Tollmien-Schlichting waves in boundary layers, Journal of Fluid Mechanics, Vol: 340, Pages: 361-394, ISSN: 0022-1120
Wu XS, 1996, An active resonant triad of mixed modes in a symmetric shear flow, IUTAM Symposium on Nonlinear Instability and Transition in Three-Dimensional Boundary Layers, Publisher: KLUWER ACADEMIC PUBL, Pages: 27-36
Wu X, Stewart PA, 1996, Interaction of phase-locked modes: a new mechanism for the rapid growth of three-dimensional disturbances, Journal of Fluid Mechanics, Vol: 316, Pages: 335-372, ISSN: 0022-1120
Elgin JN, Wu X, 1996, Stability of cellular states of the Kuramoto-Sivashinsky equation, SIAM Journal on Applied Mathematics, Vol: 56, Pages: 1621-1638, ISSN: 0036-1399
Wu X, 1996, On an active resonant triad of mixed modes in symmetric shear flows: a plane wake as a paradigm, Journal of Fluid Mechanics, Vol: 317, Pages: 337-368, ISSN: 0022-1120
WU X, 1993, ON CRITICAL-LAYER AND DIFFUSION-LAYER NONLINEARITY IN THE 3-DIMENSIONAL STAGE OF BOUNDARY-LAYER-TRANSITION, PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES, Vol: 443, Pages: 95-106, ISSN: 1364-5021
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- Citations: 16
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