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Keyword: mass transfer
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Journal Articles
Article Type: Research-Article
J. Fluids Eng. July 2014, 136(7): 071103.
Paper No: FE-13-1342
Published Online: May 6, 2014
... momentum equations are full 2-D NS equations and the mass transfer equation is based on the boundary layer assumption. Similarity equations can be obtained by positing the stream function and the similarity variable in the following form: (6a) ψ ( x , y , t ) = f ( η ) x σ U 0...
Journal Articles
Article Type: Multiphase Flows
J. Fluids Eng. August 2012, 134(8): 081301.
Published Online: July 27, 2012
.../analytical models in the literature are one-dimensional models involving with many simplifying assumptions. These assumptions in most cases include neglecting some mechanisms of mass transfer in two-phase flows. This study is devoted to developing an analytical two-dimensional model for simulation of fluid...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. August 2011, 133(8): 081204.
Published Online: August 23, 2011
...Dong-Hyeog Yoon; Kyung-Soo Yang; Klaus Bremhorst Characteristics of turbulent mass transfer around a rotating circular cylinder have been investigated by Direct Numerical Simulation. The concentration field was computed for three different cases of Schmidt number, Sc = 1, 10 and 100 at Re R * = 336...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. January 2011, 133(1): 011102.
Published Online: January 28, 2011
...Bin Ji; Xianwu Luo; Xin Wang; Xiaoxing Peng; Yulin Wu; Hongyuan Xu The cavitating flows around a highly skewed model marine propeller in both uniform flow and wake flow have been simulated by applying a mass transfer cavitation model based on Rayleigh–Plesset equation and k - ω shear stress...
Journal Articles
Article Type: Technical Briefs
J. Fluids Eng. November 2010, 132(11): 114501.
Published Online: November 3, 2010
...Robert A. Leishear; Hector N. Guerrero; Michael L. Restivo; David J. Sherwood Mass transfer rates were measured in a large scale system, which is consisted of an 8.4 m tall by 0.76 m diameter column, containing one of the three fluids: water with an antifoam agent, water without an antifoam agent...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. August 2010, 132(8): 081202.
Published Online: August 18, 2010
...T. E. Moschandreou; C. G. Ellis; D. Goldman An approximate-analytical solution method is presented for the problem of mass transfer in a rigid tube with pulsatile flow. For the case of constant wall concentration, it is shown that the generalized integral transform (GIT) method can be used to...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. July 2009, 131(7): 071304.
Published Online: June 23, 2009
..., the results of this work not only enrich the literature of condensation but also provide additional methods for saving thermal energy. 16 08 2008 10 04 2009 23 06 2009 film condensation film flow finite difference methods heat transfer iterative methods mass transfer slip...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. May 2009, 131(5): 051105.
Published Online: April 14, 2009
... 04 2009 flow simulation Knudsen flow mass transfer microfluidics micropumps Navier-Stokes equations numerical analysis slip flow microfluidics viscous micropump slip flow low Reynolds number CFD Micropumps are important devices in various fields such as medical...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. April 2009, 131(4): 041201.
Published Online: March 6, 2009
... theory describes the main characteristics of the flow very well. 28 07 2006 31 01 2008 06 03 2009 drops flow simulation mass transfer nozzles numerical analysis pipe flow two-phase flow vortices Laval nozzle vortex flow natural gas Condi-Cyclone The behavior...
Journal Articles
Article Type: Technical Briefs
J. Fluids Eng. January 2009, 131(1): 014501.
Published Online: December 2, 2008
... 03 10 2008 02 12 2008 Boltzmann equation flow simulation mass transfer microchannel flow Navier-Stokes equations slip flow subsonic flow The progress in the fabrication technique during the past ten years lead to the miniaturization of many devices (micropumps, microvalves...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. July 2008, 130(7): 071302.
Published Online: June 25, 2008
... advantageous compared to traditional packed beds or monoliths. Microfibrous materials have demonstrated enhanced heat and mass transfer compared to packed beds of particles of similar dimensions. In this paper, the simulations are used to predict the pressure drop per unit length through the materials and to...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. May 2008, 130(5): 051104.
Published Online: May 5, 2008
.... This result also supports the experimental result that cavitation surge was effectively suppressed using such a casing with a gutter. 18 12 2006 17 12 2007 05 05 2008 cavitation computational fluid dynamics flow instability flow simulation fluid oscillations mass transfer...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. March 2008, 130(3): 031102.
Published Online: March 3, 2008
... 2008 compressibility laminar flow mass transfer microchannel flow pipe flow slip flow corrugations roughness perturbation slip flow microtubes Fluid flow in microchannels has emerged as an important research area. This has been motivated by their various applications such...
Journal Articles
Article Type: Technical Papers
J. Fluids Eng. November 2007, 129(11): 1372–1383.
Published Online: June 5, 2007
... the flow and shear-layer characteristics, and their influence on the ejection of the passive contaminant from the cavity. 01 08 2006 05 06 2007 cavitation channel flow external flows flow simulation mass transfer turbulence vortices open cavity detached eddy simulation...
Journal Articles
Article Type: Technical Papers
J. Fluids Eng. May 2007, 129(5): 579–586.
Published Online: October 5, 2006
... to design a manifold capable of producing a uniform mass flowrate through all of its ports. 13 03 2006 05 10 2006 confined flow manifolds conservation laws flow simulation plates (structures) mass transfer numerical analysis Manifolds are a significant component in a...
Journal Articles
Article Type: Technical Papers
J. Fluids Eng. March 2007, 129(3): 338–349.
Published Online: August 21, 2006
...Ramin K. Rahmani; Anahita Ayasoufi; Theo G. Keith The use of in-line static mixers has been widely advocated for an important variety of applications, such as continuous mixing, heat and mass transfer processes, and chemical reactions. This paper extends previous studies by the authors on...
Journal Articles
Article Type: Technical Papers
J. Fluids Eng. January 2007, 129(1): 40–47.
Published Online: June 13, 2006
...Jong-Yeon Hwang; Kyung-Soo Yang; Klaus Bremhorst Turbulent flow around a rotating circular cylinder has numerous applications including wall shear stress and mass-transfer measurement related to the corrosion studies. It is also of interest in the context of flow over convex surfaces where standard...
Journal Articles
Article Type: Technical Papers
J. Fluids Eng. November 2006, 128(6): 1266–1273.
Published Online: April 7, 2006
.... Finally, the quadrant analysis of the velocity fluctuations suggests the presence of strong outflows of fluid from the cavities as well as inflows into the cavities. It is conjectured that the mass transfer/exchange between cavities and main stream, play an important role in the high levels of turbulent...
Journal Articles
Article Type: Technical Papers
J. Fluids Eng. September 2006, 128(5): 956–967.
Published Online: March 9, 2006
... total pressure loss coefficient of 53–56%. 29 11 2005 09 03 2006 flow control turbines subsonic flow blades flow separation vortices jets wakes flow instability mass transfer finite difference methods Newton method flow simulation active flow control low-pressure...
Journal Articles
Article Type: Technical Papers
J. Fluids Eng. November 2006, 128(6): 1308–1323.
Published Online: February 20, 2006
... model used for this paper’s calculations is first presented. The numerical model is based on a combination of the multiphase flow equations with a truncated version of the Rayleigh-Plesset model predicting the complicated growth and collapse processes of bubbles. The mass transfers due to cavitation are...