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Keywords: turbulent diffusion
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. August 2011, 133(8): 081204.
Published Online: August 23, 2011
... 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...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. November 2010, 132(11): 111202.
Published Online: November 9, 2010
... boundary layer turbulence confined flow fluctuations 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...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Fluids Eng. July 2008, 130(7): 074501.
Published Online: June 25, 2008
... 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...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. May 2007, 129(5): 621–633.
Published Online: October 19, 2006
... between peripheral and core regions. e-mail: ck@eos.ncsu.edu 28 05 2006 19 10 2006 drops sprays two-phase flow flow simulation jets stratified flow turbulent diffusion drag nozzles confined flow slip flow Liquid sprays have a wide range...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. May 2007, 129(5): 634–642.
Published Online: September 14, 2006
...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...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. November 2006, 128(6): 1204–1217.
Published Online: May 7, 2006
... 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...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. November 2006, 128(6): 1364–1376.
Published Online: April 7, 2006
.... 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...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. July 2006, 128(4): 811–818.
Published Online: January 31, 2006
... 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...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. May 2006, 128(3): 568–578.
Published Online: October 16, 2005
... described are wake broadening, profile asymmetry, and effects of increased turbulent diffusion, variable surface roughness, and streamwise development. The University of Utah Transonic Wind Tunnel (TWT) is used for the study because it produces Mach numbers, pressure variations, Reynolds numbers, passage...
Journal Articles
Publisher: ASME
Article Type: Special Section On Rans/Les/Des/Dns: The Future Prospects Of Turbulence Modeling
J. Fluids Eng. September 2005, 127(5): 929–935.
Published Online: June 16, 2005
... simulation drag reduction channel flow non-Newtonian flow convection turbulent diffusion shear turbulence It is well known that surfactant additives are good drag reducers with long-term action, and can be applied to district heating and cooling systems. The mechanism of drag reduction...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. January 2005, 127(1): 32–40.
Published Online: March 22, 2005
... ENGINEERING . Manuscript received by the Fluids Engineering Division December 30, 2003; revised manuscript received August 25, 2004. Review conducted by: G. Chahine. 30 December 2003 25 August 2004 22 03 2005 vortices two-phase flow jets nozzles flow simulation turbulent...
Journal Articles
Publisher: ASME
Article Type: Article
J. Fluids Eng. November 2004, 126(6): 1025–1032.
Published Online: March 11, 2005
... 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...
Journal Articles
Publisher: ASME
Article Type: Article
J. Fluids Eng. November 2004, 126(6): 893–899.
Published Online: March 11, 2005
... 2005 entropy viscosity equations of state 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...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. May 2005, 127(3): 438–448.
Published Online: January 25, 2005
.... 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...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. September 2004, 126(5): 730–734.
Published Online: December 7, 2004
... 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 performed in the U.S. yearly, and in those cases...
Journal Articles
Publisher: ASME
Article Type: Additional Technical Papers
J. Fluids Eng. July 2004, 126(4): 634–641.
Published Online: September 10, 2004
... 2003 25 February 2004 10 09 2004 turbulent diffusion shear turbulence Recently, the direct numerical simulation (DNS) by Yao et al. 1 pointed out that the effects of the “pressure-diffusion” process in the turbulence energy transport equation were significant...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. July 2004, 126(4): 573–577.
Published Online: September 10, 2004
... 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...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. September 2003, 125(5): 823–834.
Published Online: October 7, 2003
... grid-scale scheme. 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 measurements...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. July 2003, 125(4): 694–700.
Published Online: August 27, 2003
... Editor: J. Bridges. turbulent diffusion computational fluid dynamics electrostatic precipitators flow visualisation flow simulation Electrostatic precipitators (ESP) are well-known, highly efficient devices applied in power stations and many other large-scale industrial systems in order...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. May 2003, 125(3): 561–568.
Published Online: June 9, 2003
... Engineering Division March 13, 2002; revised manuscript received September 15, 2002. Associate Editor: M. Plesniak. 13 March 2002 15 September 2002 09 06 2003 turbulent diffusion vortices flow measurement high-pass filters computational fluid dynamics jets Turbulent...