The onset of drag reduction by dilute polymer additives, and the maximum drag reduction asymptote

By Katepalli R. Sreenivasan, C. White. Journal of Fluid Mechanics, 2000

235 citations recorded by the source corpus.

Subfields: Computational Mechanics, Fluid Flow and Transfer Processes

View Paper: https://www.semanticscholar.org/paper/0bf333b434b7707c76d80bf966958c8ff5b1b4ec

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In Computational Mechanics

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Citations in the corpus

Instabilities in Viscosity-Stratified Flow (2014, background): “…thinning combined with elastic effects, and in many of the mechanisms proposed, it appears that the role of elasticity in achieving this reduction is crucial, for example, in the attainment of the maximum drag-reduction asymptote (Ptasinski et al. 2003, Sreenivasan & White 2000, Xi & Graham 2010).”
Drag reduction by polymer additives in a turbulent channel flow (2003, methodology): “The drag-reduction mechanism proposed here in terms of the elastic theory does not imply that the mechanism based on the extensional viscosity is incorrect, as Sreenivasan & White (2000) mentioned.”
The turbulence structure of drag-reduced boundary layer flow (2004, background): “In fact there are many plausible explanations that satisfy this requirement, such as those proposed by Lumley (1969) and Tabor and De Gennes (1986); see also Sreenivasan and White (2000) .”
Turbulent drag reduction in dam-break flows (2004, background): “Unsteady situations, however, can help us to better understand important aspects such as the onset phenomenon (Sreenivasan and White 2000) and potential practical applications (Gyr and Bewersdorff 1995) required to explore transient flow regimes as well.”
Effects of polymer stresses on eddy structures in drag-reduced turbulent channel flow (2006, background): “(1) There exist critical values of parameters (e.g. polymer relaxation time and concentration) above which there is onset of drag reduction (DR) (Virk et al. 1967; Sreenivasan & White 2000).”
New Answers on the Interaction Between Polymers and Vortices in Turbulent Flows (2005, background): “Interestingly, the most quoted theoretical approaches have been published based on physical considerations and interpretations of low-order statistical velocity moments [20, 26, 29].”
Turbulent channel flow near maximum drag reduction: simulations, experiments and mechanisms (2003, background): “A major result in polymer drag reduction was obtained by Virk et al. (1967), Virk, Mickley & Smith (1970) and Virk (1975).”