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Keywords: finite volume methods
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Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. March 2011, 133(3): 031202.
Published Online: March 10, 2011
... and they are inclined normally into the hot cross-flow. The finite volume method and the SIMPLE algorithm on a multiblock nonuniform staggered grid were applied. The large-eddy simulation approach with three different subgrid scale models was used. The obtained results showed that this flow configuration reduces...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. May 2010, 132(5): 051111.
Published Online: May 14, 2010
... of these two source terms can be predicted by using the traditional law-of-the-wall and hex-dominant meshes with isotropic resolution boxes for a detailed ground vehicle geometry. For this purpose, the unstructured segregated commercial FLUENT finite volume method code is used. The flow field is treated...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Fluids Eng. April 2010, 132(4): 044501.
Published Online: April 16, 2010
... where dual splitter-plates are in a parallel arrangement embedded in the downstream of the cylinder. The optimum location of the splitter-plate to achieve maximum reduction in the lift and drag forces is determined. boundary layers external flows finite volume methods flow instability flow...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. April 2010, 132(4): 041104.
Published Online: April 15, 2010
... yields better results than the shock unsteadiness correction. finite volume methods flow simulation heat transfer jets shock wave effects supersonic flow turbulence The fouling of heat transfer surfaces in kraft recovery boilers is a significant concern for the pulp and paper industry...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. January 2010, 132(1): 011301.
Published Online: December 15, 2009
... simulation using the finite volume method indicates that the grooves influence the pressure distribution in the whole flow field and induce significant pressure fluctuation. The minimum pressure in each groove occurs on the top of the groove’s “windward” edge and decreases as the groove width is increased...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. January 2010, 132(1): 011101.
Published Online: December 15, 2009
...-order implicit finite volume method. The effects of the gap and Reynolds number on the vortex structure of the wake and on the fluid dynamic forces acting on the cylinders are reported and discussed. Both the parameters have significant influence on the flow field. An attempt is made to unify...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. April 2009, 131(4): 041301.
Published Online: March 9, 2009
... condensation model on the insoluble and soluble impurities was implemented into presented CFD code. The system of governing equations was solved by means of a finite volume method on a multiblock structured grid. The obtained numerical results and experimental data were compared and discussed. 30 10 2007...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. December 2008, 130(12): 121101.
Published Online: October 23, 2008
... drop, which occurs because of a large unsteady separation region downstream of the plug. 28 07 2006 14 03 2008 23 10 2008 boundary layers finite volume methods flow instability flow separation flow simulation hydrodynamics nozzles turbulence valves Check valves...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. May 2008, 130(5): 051303.
Published Online: May 5, 2008
... on the moving boundary analysis using finite volume method. In this moving boundary problem, both control volumes of single-phase zone and two-phase zone change with time. Numerical results have been presented in this paper. The results indicate that both circulation flow variation and two-phase level variation...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. December 2007, 129(12): 1533–1539.
Published Online: July 21, 2007
... perspectives. turbulence large-eddy simulation finite-difference methods for fluids subgrid-scale models atmospheric movements finite volume methods oceanography turbulence 18 01 2007 21 07 2007 2007 American Society of Mechanical Engineers ...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. December 2007, 129(12): 1504–1513.
Published Online: June 29, 2007
... order, the van Leer limiter could give better results as its dissipative behavior is closer to that physically expected. Examining the wave number where the flux due to the finite volume method is less than 90% of the equivalent spectral flux shows that the fifth-order scheme increases the range...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. September 2007, 129(9): 1212–1227.
Published Online: March 31, 2007
... dynamics finite volume methods turbomachinery turbulence Turbomachinery flows are a major challenge for turbulence modeling because they are dominated by many complex flow phenomena: (i) 3D secondary effects have a major influence, both for compressors ( 1 ) and turbines ( 2 ) especially...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. September 2007, 129(9): 1172–1178.
Published Online: March 30, 2007
...Nima Khakzad; Bahar Firoozabadi; Bijan Farhanieh The governing equations of two-dimensional steady density currents are solved numerically using a finite volume method. The v 2 ¯ − f turbulence model, based on standard k − ε model, is used for the turbulence closure. In this method, all Reynolds...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. August 2007, 129(8): 991–1001.
Published Online: January 25, 2007
... model solves the axisymmetric Navier–Stokes equations for both the melt and the surrounding gas by using the finite volume method. Since the YL equations provide theoretical pendant drop profiles based on an inviscid quasiequilibrium condition, a detailed study of the differences between experimental...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. April 2007, 129(4): 506–513.
Published Online: September 28, 2006
... the buoyancy effects have been solved. A semi-explicit finite volume method with nonuniform grid has been used for the range of conditions as: Reynolds number 1–30, power-law index: 0.8–1.5, Prandtl number 0.7–100 ( Pe ⩽ 3000 ) for Richardson number 0–0.5 in an unbounded configuration. The drag coefficient...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. January 2007, 129(1): 40–47.
Published Online: June 13, 2006
... at constant angular velocity with the cylinder. The governing equations are discretized by using a finite-volume method. As for fully developed channel, pipe, and boundary layer flows, a laminar sublayer, buffer layer, and logarithmic outer region were observed. The level of mean velocity is lower...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. February 2007, 129(2): 128–135.
Published Online: May 23, 2006
... cavitation blades rocket engines turbomachinery pumps finite volume methods flow instability To achieve operation at high rotational speed and low inlet pressure, rocket engine turbopumps are generally equipped with an axial inducer stage. Under such operating conditions, cavitation develops...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. November 2006, 128(6): 1324–1335.
Published Online: March 26, 2006
... and characteristic treatment of wave propagation. 20 05 2005 26 03 2006 pipelines tanks (containers) valves pipe flow flow simulation flow separation finite volume methods two-phase flow elasticity stress-strain relations fluid oscillations piecewise linear techniques gravity waves...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. November 2006, 128(6): 1133–1143.
Published Online: March 24, 2006
... using the finite-volume method. For the validation of the numerical scheme, the key features of an ideal electro-osmotic flow with uniform zeta potential have been compared with analytical solutions for the ionic concentration, electric potential, pressure, and velocity fields. When reservoirs...