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Keywords: turbulent flow
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Proceedings Papers

Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T03A051, July 13–15, 2020
Paper No: FEDSM2020-20329
... Abstract A numerical study is proposed to analyze the turbulent flow structures. This paper aims to determine the effect of the series of the cavities. The configuration is similar to that represented by two walls with infinite width, one of which is mobile and the other is fixed. The series...
Proceedings Papers

Proc. ASME. FEDSM2020, Volume 3: Computational Fluid Dynamics; Micro and Nano Fluid Dynamics, V003T05A001, July 13–15, 2020
Paper No: FEDSM2020-20042
... 90°. This is a very important result which has never been reported in the previous literature. In addition, turbulent flow computations for T-junction flow are performed using the SST k-ω and Wray-Agarwal turbulence models. Finally, the influence of stenosis in Y-junction is studied and analyzed...
Proceedings Papers

Proc. ASME. FEDSM2012, Volume 1: Symposia, Parts A and B, 945-950, July 8–12, 2012
Paper No: FEDSM2012-72437
... on the present riblet are almost same as those of the flat surface, whereas the Reynolds shear stress is much decreased, and especially becomes negative near the riblet height. These are different phenomena from those of all the previous riblets [1–7]. Drag Reduction Turbulent Flow Skin Friction Riblets...
Proceedings Papers

Proc. ASME. FEDSM2012, Volume 1: Symposia, Parts A and B, 259-265, July 8–12, 2012
Paper No: FEDSM2012-72148
... focused on idealized spherical particles and smooth surfaces, and the effects of particle irregularities and surface roughness on the rate of particle removal and resuspension are not well understood. In this work, a Monte Carlo simulation of particle resuspension from a surface under turbulent flow...
Proceedings Papers

Proc. ASME. FEDSM2012, Volume 1: Symposia, Parts A and B, 291-295, July 8–12, 2012
Paper No: FEDSM2012-72362
... with the experimental PIV measurements. The simulated flow field was used to predict the dispersion of the particulate pollutant around the building and the deposition fraction of particles on the walls of the building is studied. Turbulent Flow LES Reynolds Stress Transport model Separation Reattachment 1...
Proceedings Papers

Proc. ASME. FEDSM2010, ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting: Volume 1, Symposia – Parts A, B, and C, 289-293, August 1–5, 2010
Paper No: FEDSM-ICNMM2010-30768
... of this separated flow, but is comparatively more economical. The accuracy of RSTM for predicting the turbulence features of separated flows was discussed, and its application for the flow around a realistic model of a building was pointed out. Turbulent Flow LES Reynolds Stress Transport model Separation...
Proceedings Papers

Proc. ASME. FEDSM2009, Volume 1: Symposia, Parts A, B and C, 1419-1428, August 2–6, 2009
Paper No: FEDSM2009-78292
... 30 07 2010 The paper reports on an experimental investigation of turbulent flow through model two-dimensional porous media. The porous media was bounded on one side by a solid plane wall and on the other side by a zone of clear fluid. The model porous media comprised of square arrays...
Proceedings Papers

Proc. ASME. FEDSM2008, Volume 1: Symposia, Parts A and B, 691-698, August 10–14, 2008
Paper No: FEDSM2008-55203
... measurements of this technique are in good agreement with the traditional results. However, the unsteady characteristics of surface skin friction are not captured by the lack of time resolution of the CCD camera. Surface skin friction Turbulent flow Compliant coatings Image processing SOne...
Proceedings Papers

Proc. ASME. FEDSM2008, Volume 1: Symposia, Parts A and B, 541-550, August 10–14, 2008
Paper No: FEDSM2008-55028
..., most of industrial applicants have a very small flow to moderate Reynolds numbers (e.g. Re ≈ 5,000). This paper presents an improved understanding of the turbulent flow pattern for single-phase liquids through the mixer. Large-Eddy Simulation (LES) model is applied to the flow in a KOMAX static mixer...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 773-780, July 30–August 2, 2007
Paper No: FEDSM2007-37323
... measurements of this technique are in good agreement with the traditional results. However, the unsteady characteristics of surface skin friction are not captured by the lack of time resolution of the CCD camera. Surface skin friction Turbulent flow Compliant coatings Image processing Proceedings...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 1385-1394, July 30–August 2, 2007
Paper No: FEDSM2007-37328
...) modelling approach. Large Eddy simulation Turbulent flow Combustion Soot formation Proceedings of FEDSM2007 5th Joint ASME/JSME Fluids Engineering Conference July 30-August 2, 2007 San Diego, California USA model, while the Soot formation is included through the balance equations for soot mass...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 1395-1403, July 30–August 2, 2007
Paper No: FEDSM2007-37329
.... Large Eddy simulation Turbulent flow Combustion NO formation Rature and reactants (O and N ), while the second mechanism, Proceedings of FEDSM2007 5th Joint ASME/JSME Fluids Engineering Conference July 30-August 2, 2007 San Diego, California USA count through a transport equation for NO mass...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 823-831, July 30–August 2, 2007
Paper No: FEDSM2007-37059
... 26 03 2009 In order to study the effects of turbulence sub-grid-scale (SGS) fluctuation on particle Lagrangian motion in turbulent flows, a dynamic random walk (DRW) SGS coupling model based on an Eulerian-Lagrangian approach was developed. The advantage of the new model...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 1103-1110, July 30–August 2, 2007
Paper No: FEDSM2007-37117
... on the V-control algorithm. Turbulent flow Compliant surface Drag reduction Proceedings of FEDSM2007 5th Joint ASME/JSME Fluids Engineering Conference July 30-August 2, 2007 San Diego, California USA FEDSM2007-37117 1 Copyright © 2007 by ASME ABSTRACT This paper describes a study on interaction...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 155-163, July 30–August 2, 2007
Paper No: FEDSM2007-37069
... structure and interaction Mixing Tee PIV Piping system Turbulent flow Proceedings of FEDSM2007 5th Joint ASME/JSME Fluids Engineering Conference to high-cycle thermal fatigue. This research tries to investigate fluid mixing mechanism in non-isothermal T- junction area with 90-degree bend upstream...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 2: Fora, Parts A and B, 1387-1394, July 30–August 2, 2007
Paper No: FEDSM2007-37366
... for typical operating configurations and conditions. Detailed results and the cases considered in the calculations will be discussed here. Gas Mixing Large-Scaled Tank Computational Fluid Dynamics Turbulent Flow Proceedings of FEDSM2007 5th Joint ASME/JSME Fluids Engineering Conference 1 Copyright...
Proceedings Papers

Proc. ASME. FEDSM2002, Volume 2: Symposia and General Papers, Parts A and B, 1187-1194, July 14–18, 2002
Paper No: FEDSM2002-31415
... with the projected frontal area. 04 03 2009 bluff-body vortex shedding PIV turbulent flow pyramid 1 Proceedings of ASME’02 2002 ASME Fluids Engineering Division Summer Meeting Montreal, Quebec, Canada, July 14-18, 2002 FEDSM 2002-31415 Flow in the Wake of Surface-Mounted Pyramids Mazen...
Proceedings Papers

Proc. ASME. FEDSM2002, Volume 2: Symposia and General Papers, Parts A and B, 1083-1090, July 14–18, 2002
Paper No: FEDSM2002-31256
... During development of the updraft free-exit-flow hydropower turbine system, serious attention was paid to impact of the traditional turbine system to environment. The paper presents results of experimental research and three-dimensional turbulent flow simulation of the runner. The experiment...
Proceedings Papers

Proc. ASME. HT-FED2004, Volume 4, 775-784, July 11–15, 2004
Paper No: HT-FED2004-56021
... an improved understanding of the turbulent flow pattern for single-phase liquids through the mixer. Three-dimensional finite volume simulations are used to study the performance of the mixer using different turbulent models. Large-Eddy Simulation (LES) model is applied to the flow in an industrial helical...
Proceedings Papers

Proc. ASME. HT-FED2004, Volume 2, Parts A and B, 373-378, July 11–15, 2004
Paper No: HT-FED2004-56156
... The present work is concerned with computational studies of turbulent flow under isothermal condition in a suddenly enlarged combustion chamber using time averaged Navier-Stokes equations with an eddy-viscosity turbulence closure model. Results were compared well with that of experimental data...