Drag reduction in wall-bounded turbulence via a transverse travelling wave

By Yiqing Du, V. Symeonidis, G. Em Karniadakis. Journal of Fluid Mechanics, 2002

225 citations recorded by the source corpus.

View Paper: https://www.semanticscholar.org/paper/d8b0444397cadba68ff3d9b92846eafd0f50730a

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In Computational Mechanics

Citations in the corpus

Streamwise-travelling waves of spanwise wall velocity for turbulent drag reduction (2009, unknown): “The main question addressed in this paper is therefore: what is the response of the turbulent flow in the whole ω − κx plane? Before presenting our results, it may be useful to mention the drag reduction technique by Du & Karniadakis (2000) and Du et al. (2002). They studied the following spanwiseor”
Near-wall streak modification by spanwise oscillatory wall motion and drag-reduction mechanisms (2012, background): “A similar behaviour has been observed and recorded by others (for example Du et al. 2002; Quadrio & Ricco 2003), with no clear interpretation being given.”
Turbulent flow over a flexible wall undergoing a streamwise travelling wave motion (2003, background): “(2003), vol. 484, pp. 197–221. c© 2003 Cambridge University Press DOI: 10.1017/S0022112003004294 Printed in the United Kingdom 197 Turbulent flow over a flexible wall undergoing a streamwise travelling wave motion”
Initial response of a turbulent channel flow to spanwise oscillation of the walls (2003, background): “Du et al [29] recently observed how some turbulent drag reduction techniques, like, for example, the application of transverse travelling waves in the near-wall region, efficiently yield to a drag reduction effect and produce a near-wall flow structure which is significantly altered when compared to”
Critical assessment of turbulent drag reduction through spanwise wall oscillations (2004, unknown): “…of a spatially or temporally oscillating spanwise-oriented Lorentz force in the near-wall region of a turbulent ﬂow of an electrically conducting ﬂuid, described by Berger et al. (2000), and the excitation of the ﬂow with transverse travelling waves presented by Du, Symeonidis & Karniadakis (2002).”
Componentwise energy amplification in channel flows (2005, result): “…is consistent with recent numerical work on channel-flow turbulence control using the Lorentz force (Berger et al. 2000; Du & Karniadakis 2000; Du et al. 2002), where it was concluded that forcing in the spanwise direction confined within the viscous sub-layer had the strongest effect in…”
MECHANISMS ON TRANSVERSE MOTIONS IN TURBULENT WALL FLOWS (2003, methodology): “The effect of wavelength is less significant, but detailed simulations reported by Du et al. (2002) suggest that the higher the value ofλz, the larger the amount of drag reduction.”