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Keywords: Navier-Stokes equations
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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
... solution to the two-dimensional unsteady NavierStokes equations. An analytical solution of the boundary layer mass transfer equation is obtained together with the momentum solution. The examples demonstrate the significant impacts of the blowing effects on the flow and mass transfer characteristics...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. September 2013, 135(9): 091201.
Paper No: FE-13-1049
Published Online: June 6, 2013
... ) - I 0 ( χ α ) ] } K 0 ( χ ) I 0 ( χ α ) - K 0 ( χ α ) I 0 ( χ ) For a fully developed pure electro-osmotic flow of an incompressible Newtonian fluid, the velocity field is governed by the NavierStokes equation [ 22...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. December 2011, 133(12): 121401.
Published Online: December 23, 2011
...Zbigniew Kamiński Pipes are widely used in hydraulic and pneumatic subsystems for transferring energy or signals. Accurate prediction of pressure transients is very important in the drive and control circuits of complex fluid-line systems. Based on the approximation of Navier-Stokes equations...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. December 2011, 133(12): 121202.
Published Online: December 20, 2011
... are considered. The main objective is to determine whether the classical fluid flow theory based on the Navier- Stokes equations is valid to predict velocity distribution, pressure drop and transition from laminar to turbulent flow in micro-channels. No differences were found between results in micro-channels...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. November 2011, 133(11): 111104.
Published Online: November 8, 2011
... Navier-Stokes equations. This problem is solved numerically for various values of à using a Reynolds-averaged Navier-Stokes flow solver, and utilizing the Spalart-Allmaras viscous turbulent model to account for near-wall turbulence. The value às where a large separation zone first appears in the nose...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. November 2011, 133(11): 111001.
Published Online: October 13, 2011
.... of Thermo and Fluid Dynamics, Chalmers University of Technology, Gothenburg. 01 03 2011 30 08 2011 13 10 2011 13 10 2011 aerodynamics flow simulation Navier-Stokes equations numerical analysis rotational flow turbulence vortices wheels Wheels and wheelhouses...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. October 2011, 133(10): 101205.
Published Online: October 4, 2011
... tension serves to get finer droplets and wider droplet spatial distribution. Small liquid density, surface tension and viscosity are benefit for getting higher atomized droplet velocity. 07 10 2009 14 05 2011 04 10 2011 04 10 2011 drops Navier-Stokes equations sprays surface...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. October 2011, 133(10): 101101.
Published Online: October 4, 2011
... fans Navier-Stokes equations numerical analysis optimisation shear turbulence ventilation axial-flow ventilation fan numerical optimization response surface approximation hybrid multiobjective evolutionary algorithm Pareto-optimal solutions With the recent focus on a low-carbon...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. October 2011, 133(10): 101202.
Published Online: September 26, 2011
.... 93 – 111 . 10.1002/fld.v21:2 16 Gunzberger , M. D. , 2000 , “ On a Shape Control Problem for the Stationary Navier-Stokes Equations ,” Math. Modell. Numer. Anal. , 34 ( 6 ), pp. 1233 – 1258 . 10.1051/m2an:2000125 17 Mohammadi , B. , and Pironneau , O. , 2001...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. July 2011, 133(7): 071101.
Published Online: July 5, 2011
... creeping flow kinetic theory Knudsen flow microchannel flow nanofluidics Navier-Stokes equations Poiseuille flow In micro/nanoscale gas flows, the small system dimensions mean that the nondimensional Knudsen number, Kn, defined as the ratio of the molecular mean free path (MFP) of the gas λ...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. June 2011, 133(6): 061104.
Published Online: June 16, 2011
... in the unsteady Reynolds averaged NavierStokes equations ( URANSE ) solver developed at INSEAN. Uncertainty analysis has been performed on both data sets and the results from the two approaches are compared. The agreement between the two data sets is found to be good, the deviation in the velocity and vorticity...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. May 2011, 133(5): 051204.
Published Online: June 7, 2011
... flux and hence, the thrust. 03 06 2010 18 04 2011 07 06 2011 07 06 2011 acoustic waves detonation waves engines jets Navier-Stokes equations propulsion vortices ejector pulsejet thrust argumentation vortex constant volume combustion numerical simulation...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. April 2011, 133(4): 041102.
Published Online: May 12, 2011
... engineering drag electric motors flow simulation Navier-Stokes equations optimisation pipe flow propulsion rotors stators swirling flow underwater vehicles 23 09 2010 29 03 2011 12 05 2011 12 05 2011 2D RANS solutions highlighted the base fluid dynamics of the various...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. March 2011, 133(3): 031102.
Published Online: March 16, 2011
... NavierStokes equations for the water flow through the rough trapezoidal microchannels. No-slip and periodic boundary conditions are applied to achieve the fully developed flow characteristics. The effects of Reynolds number Re (75–600), relative roughness height H / D h (1.66–5.39%), aspect ratio β...
Journal Articles
Article Type: Technical Briefs
J. Fluids Eng. January 2011, 133(1): 014501.
Published Online: January 13, 2011
...Y. Moussy; A. D. Snider An approximate solution to the NavierStokes equations was found for the case describing two-dimensional steady-state laminar flow over an array of porous pipes with high wall Reynolds number. The NavierStokes equations in cylindrical coordinates reduced to a fourth-order...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. December 2010, 132(12): 121203.
Published Online: December 29, 2010
... the governing equations for LES. The incompressible NavierStokes equation can be written as 1 ∂ V i ∂ t + V j ∂ V i ∂ x j = − ∂ p ∂ x i + ν ∂ 2 V i ∂ x j ∂ x j Consider a general filtering operation that is linear and constant...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. December 2010, 132(12): 121202.
Published Online: December 22, 2010
... predict that these quantities with good accuracy and agreement with experimental data improves for smaller f k values simulated. 03 06 2010 22 10 2010 22 12 2010 22 12 2010 drag flow simulation Navier-Stokes equations turbulence Flow past a circular...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. December 2010, 132(12): 121301.
Published Online: December 3, 2010
...Nagendra Dittakavi; Aditya Chunekar; Steven Frankel Large eddy simulation of turbulent cavitating flow in a venturi nozzle is conducted. The fully compressible Favre-filtered NavierStokes equations are coupled with a homogeneous equilibrium cavitation model. The dynamic Smagorinsky subgrid-scale...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. November 2010, 132(11): 111301.
Published Online: November 9, 2010
.... 041702) is performed. The filtered, incompressible NavierStokes equations are solved using a co-located grid finite-volume solver with the dynamic Smagorinsky model for a subgrid-scale closure. The computational grid consists of around 7 × 10 6 grid points with 3 × 10 6 points clustered around the shear...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. October 2010, 132(10): 101203.
Published Online: October 21, 2010
... on the pipe diameter and jet exit velocity were 310 and 800. A particle image velocimetry (PIV) was used to conduct detailed measurements at various streamwise-transverse and streamwise-spanwise planes. The complete nonlinear incompressible NavierStokes equation was also solved using a collocated finite...