... flow turbulent diffusion rotating circular cylinder mass transfer turbulence direct numerical simulation Schmidt number Understanding heat and mass transfer mechanisms in turbulent flow is essential for solving many engineering problems. In corrosion applications where the fluid...

... numerical analysis turbulent diffusion In several problems of mass diffusion with dilute solutions, mass diffusivity is almost constant while in others with heavy polymers and dyes and macromolecules, mass diffusivity is strongly dependent on concentration ( 1 ). Some experimental works...

... turbulent diffusion large-eddy simulation roughness turbulence deposition mass sink The deposition of particles from turbulent flows onto adjacent flow boundaries is of great interest in many industrial processes. Extensive data on particle deposition onto rough surfaces (see, ( 1 2...

... two-phase flow flow simulation jets stratified flow turbulent diffusion drag nozzles confined flow slip flow References Sirignano , W. A. , 1999 , Fluid Dynamics and Transport of Droplets...

...E. Sauret; I. Vallet The purpose of this paper is to develop a second-moment closure with a near-wall turbulent pressure diffusion model for three-dimensional complex flows, and to evaluate the influence of the turbulent diffusion term on the prediction of detached and secondary flows. A complete...

... in the branch pipe. The increased turbulence diffused momentum more efficiently thus reducing the length of the recirculation by 25% with its width and strength also decreasing in magnitude. The overall effect of the increased dissipation due to turbulence and reduced dissipation due to mean flow...

.... The turbulent Prandtl numbers σ ( k , ϵ ) are modeled to provide substantial turbulent diffusion in near-wall regions. The model is validated against a few flow cases, yielding predictions in good agreement with the direct numerical simulation and experimental data. 04 10 2005 07 04 2006 shear...

... Bertodano et al. [1994, “Phase Distribution in Bubbly Two-Phase Flow in Vertical Ducts,” Int. J. Multiphase Flow, 20(5), pp. 805–818 ]. The turbulent diffusion of the bubbles is the dominant phase distribution mechanism. A new analytic result is presented to support the development of the model...

... described are wake broadening, profile asymmetry, and effects of increased turbulent diffusion, variable surface roughness, and streamwise development. 03 02 2005 16 10 2005 The present test section is designed to match Reynolds numbers, Mach numbers, pressure gradients, passage mass flow...

... Additives—Spatial Structure of Turbulence Investigated by PIV System ,” Int. J. Heat Fluid Flow 0142-727X 10.1016/S0142-727X(02)00166-2 , 23 , pp. 700 – 709 . non-Newtonian fluids colloids surfactants flow simulation drag reduction channel flow non-Newtonian flow convection turbulent...

...., and Kajishima, T., 1999, “On the numerical simulation of round jets of incompressible fluid,” Proc. 3rd ASME-JSME Joint Fluid Eng. Conf., San Francisco, FEDSM99-6957 (on CD-ROM). vortices two-phase flow jets nozzles flow simulation turbulent diffusion In various industrial equipment...

... October 25, 2002; revised manuscript received April 5, 2004. Associate Editor: M. W. Plesniak. 25 October 2002 05 April 2004 11 03 2005 surface roughness flow measurement mixing channel flow boundary layer turbulence turbulent diffusion laser Doppler anemometry viscosity...

... forced convection flow simulation friction turbulent diffusion Entropy production characterizes the energy conversion of thermofluid processes, particularly regarding the irreversible degradation of mechanical energy into internal energy. Viscous dissipation is a main frictional...

.... The use of counterflow also enhances three dimensionality, a feature that is expected to be beneficial under burning conditions. 24 02 2004 24 11 2004 25 01 2005 shear turbulence combustion chemically reactive flow flow control turbulent diffusion flow separation confined flow...

... haemodynamics laser velocimetry blood sodium compounds organic compounds liquid mixtures refractive index biodiffusion pipe flow turbulent diffusion Mechanical assistance in blood pumping varies widely depending on the application. For example hundreds of thousands of open-heart surgeries...

... are based on the application of a kinetic transport equation, similar to Boltzmann’s equation, to obtain the turbulent diffusion force for the dispersed phase [1–4]. They have already been constituted and validated for the case of particles in homogeneous turbulence and jets [5] and for microscopic bubbles...

... 2003 25 February 2004 10 09 2004 turbulent diffusion shear turbulence All numerical computations have been performed by a general unstructured grid code of Suga et al. 21 using the PISO scheme (Issa 22 ) with the Rhie-Chow 23 type interpolation and the third-order...

... April 2003 07 10 2003 wakes turbulent diffusion boundary layer turbulence vortices laminar to turbulent transitions flow simulation Before the past decade, constructive gains in our physical understanding of turbulent wakes came essentially from over a century of laboratory...

.... They have to be taken into account in order to reach a successful separation process. The more recent literature, 2 3 , adds more insights into the processes in electrical precipitation, particularly with reference to “grade efficiency.” turbulent diffusion computational fluid dynamics...

... and N. H. Afgan, eds., Hemisphere, New York, pp. 218–247. Prasad , A. K. , 2000 , “ Particle Image Velocimetry ,” Curr. Sci. , 79 , pp. 101 – 110 . turbulent diffusion vortices flow measurement high-pass filters computational fluid dynamics jets Turbulent flows...