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RISDNS of Drag-Reducing Turbulent Channel Flow With Coexisting Newtonian and Non-Newtonian Fluid
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the present study, we numerically investigated drag-reducing turbulent channel flows by surfactant additives. Surfactant additives were assumed to be uniformly distributed in the entire flow ...
Swirling Flow of a Viscoelastic Fluid With Free Surface—Part II: Numerical Analysis With Extended Marker-and-Cell Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In Part I [, 2004, 2004 ASME Int. Mech. Eng. Conference ], we presented the experimental results for swirling flows of water and cetyltrimethyl ammonium chloride (CTAC) surfactant solution in ...
Swirling Flow of a Viscoelastic Fluid With Free Surface—Part I: Experimental Analysis of Vortex Motion by PIV
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The swirling flows of water and CTAC (cetyltrimethyl ammonium chloride) surfactant solutions (50–1000ppm) in an open cylindrical container with a rotating disc at the bottom were experimentally ...
Experimental Study of Turbulence Transport in a Dilute Surfactant Solution Flow Investigated by PIV
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Drag-reducing flow of dilute surfactant solution in the two-dimensional channel is investigated experimentally by using particle image velocimetry (PIV) system. Five hundred instantaneous velocity ...