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Keywords: Two-Phase Flow
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Proceedings Papers

Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T08A010, August 10–12, 2021
Paper No: FEDSM2021-65177
...-stratified flow, VOF, (continuity of velocity and shear stress at the interface), two-phase flow, turbulent flow, RANS-RSM modeling neglects any coupling via the turbulent Reynolds stresses. In 1. Introduction such a treatment, the free surface artificially supports a boundary layer, and turbulence...
Proceedings Papers

Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T04A015, July 13–15, 2020
Paper No: FEDSM2020-20236
...Abstract Abstract Two-phase flow of gas/Newtonian and gas/non-Newtonian fluid through pipes occurs frequently in the chemical industry as well as in petroleum refining. Extensive experimental and theoretical research has been carried out on these systems in order to better understand...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 2: Computational Fluid Dynamics, V002T02A066, July 28–August 1, 2019
Paper No: AJKFluids2019-5613
... is applicable from dilute to dense particulate flows. The simulated results are similar to the experimental data from other researchers. In further study, the two-phase flow in the cross fractures will be considered for engineering application. Keywords: Proppant transportation, Hydraulic fracturing, Two-phase...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 2: Computational Fluid Dynamics, V002T02A078, July 28–August 1, 2019
Paper No: AJKFluids2019-5415
... function simulation has the lowest error. Keywords: Two-phase flow, Surface tension, Curvature estimation, Machine learning, CLSVOF. NOMENCLATURE n interface normal interface curvature volume fraction distance function H height function Dirac function d grid size x position vector surface...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A028, July 28–August 1, 2019
Paper No: AJKFluids2019-4614
... magnetic resonance. In the non-nuclear techniques, we presented the following methods; fluorescence, optical sensors, laser, autotransformer winding, ultrasonic, and photgraphy. Some other non nuclear miscellaneous techniques were discussed. void fraction multiphase flow two-phase flow flow...
Proceedings Papers

Proc. ASME. FEDSM2013, Volume 1C, Symposia: Gas-Liquid Two-Phase Flows; Industrial and Environmental Applications of Fluid Mechanics; Issues and Perspectives in Automotive Flows; Liquid-Solids Flows; Multiscale Methods for Multiphase Flow; Noninvasive Measurements in Single and Multiphase Flows; Numerical Methods for Multiphase Flow; Transport Phenomena in Energy Conversion From Clean and Sustainable Resources; Transport Phenomena in Materials Processing and Manufacturing Processes; Transport Phenomena in Mixing; Turbulent Flows: Issues and Perspectives, V01CT17A005, July 7–11, 2013
Paper No: FEDSM2013-16117
... and annular gas-liquid flow patterns are commonly encountered in oil and gas transportation pipelines. The measurement and visualization of two-phase flow characteristics is of great importance as two-phase flows persist in many fluids engineering applications. A Wire Mesh Sensor technique based...
Proceedings Papers

Proc. ASME. FEDSM2012, Volume 1: Symposia, Parts A and B, 357-365, July 8–12, 2012
Paper No: FEDSM2012-72039
... . During the expansion, the phase changes from supercritical to liquid and finally at the outlet two-phase flow is expected. The numerical calculations were executed with Ansys CFX 12. Two different numerical approaches — the homogeneous binary mixture and the Eulerian-Eulerian inhomogeneous multiphase...
Proceedings Papers

Proc. ASME. FEDSM2010, ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting: Volume 2, Fora, 65-71, August 1–5, 2010
Paper No: FEDSM-ICNMM2010-31222
... The comparison of experimental data and results obtained from four global models — homogeneous, Dukler, Martinelli and Chisholm, used to evaluate the two-phase flow pressure drop in circular 90° horizontal elbows — is presented in this paper. An experimental investigation was carried out using...
Proceedings Papers

Proc. ASME. FEDSM2010, ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting: Volume 1, Symposia – Parts A, B, and C, 51-56, August 1–5, 2010
Paper No: FEDSM-ICNMM2010-30250
... of the present work and some experimental data indicates a good agreement. Cluster of data close to the fitted curves also shows satisfactory results. two-phase flow drift flux model numerical method capillary tube dimensionless analysis Proceedings of ASME 2010 3rd Joint US-European Fluids...
Proceedings Papers

Proc. ASME. FEDSM2008, Volume 2: Fora, 427-431, August 10–14, 2008
Paper No: FEDSM2008-55331
... ) decreased to 0.5 (high ALR), the two-phase flow became unstable. It is concluded that the novel geometries are capable of producing more stable and dispersed two-phase flow pattern and spray in an industrial nozzle due to enhanced turbulent mixing. Two-phase flow Forude number correlation Air...
Proceedings Papers

Proc. ASME. FEDSM2008, Volume 2: Fora, 433-439, August 10–14, 2008
Paper No: FEDSM2008-55334
.... Learning from this study will yield insights and conceptual understanding of two-phase flow phenomena in conduit, which would affect stability, pulsation tendency, and possibly atomization performance of the nozzle downstream. Two-phase to have proper mixing of gas (air) and liquid (water) in the feeding...
Proceedings Papers

Proc. ASME. FEDSM2008, Volume 1: Symposia, Parts A and B, 699-706, August 10–14, 2008
Paper No: FEDSM2008-55330
... at the periphery of the spray. Knowledge from this study would help the heavy oil process industry to upgrade their heavy oil upgrading process and increase the product yield. two-phase flow void fraction air-to-liquid-ratio spray profile Sauter mean diameter Phase-Particle-Dynamic-Analyzer E A e M...
Proceedings Papers

Proc. ASME. FEDSM2008, Volume 1: Symposia, Parts A and B, 11-21, August 10–14, 2008
Paper No: FEDSM2008-55033
... and that of the profile interface. Subsequently, we present several numerical simulations, including flow past three-dimensional complex-shaped particles and two interacting microspheres, which are compared against full direct numerical simulations and the force coupling method (FCM). two-phase flow SPM time...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 2: Fora, Parts A and B, 291-296, July 30–August 2, 2007
Paper No: FEDSM2007-37491
... curvilinear coordinate systems, and (4) Errors in predicted drop velocities are not so large even with very low spatial resolution. Two-Phase Flow Drop Wall Effect Volume Tracking Method Cylindrical Coordinates General Curvilinear Coordinates Cartesian Coordinates curvilinear coordinates...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 479-485, July 30–August 2, 2007
Paper No: FEDSM2007-37101
... 26 03 2009 To evaluate the effect of pipe wall surface wettability on flow characteristics in a vertical upward gas-liquid two-phase flow, a visualization study was performed using an acrylic pipe and a hydrophobic pipe. Such basic flow characteristics as flow patterns, pressure drop...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 55-61, July 30–August 2, 2007
Paper No: FEDSM2007-37135
... 26 03 2009 The Lagrangian vortex method developed by Chen and Marshall [1] for two-way coupled two-phase flow simulation of (cloud of) solid particles is revisited in this paper. The algorithm attempts to merge the best attributes of the Lagrangian and two-fluid continuum models...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 2: Fora, Parts A and B, 1439-1443, July 30–August 2, 2007
Paper No: FEDSM2007-37522
... 26 03 2009 This paper describes the development of an approximate solution for the numerical computation for a one-dimensional two-phase flow equations. The equations include source terms which account for the relaxation of volume fraction and the interfacial fraction. A simple...
Proceedings Papers

Proc. ASME. FEDSM2002, Volume 2: Symposia and General Papers, Parts A and B, 485-494, July 14–18, 2002
Paper No: FEDSM2002-31232
... interface models, as well as numerical calculations. phase-change mixtures numerical simulation diffuse interface two-phase flow February 19, 2002 15:2 Proceedings of FED 2002 2002 Joint ASME/European Fluid Engineering Division Summer Conference July 14-18, 2002, Montreal, Canada R nc...
Proceedings Papers

Proc. ASME. FEDSM2002, Volume 1: Fora, Parts A and B, 809-816, July 14–18, 2002
Paper No: FEDSM2002-31141
.... In particular, there is no specific algorithm to localize the interface, as in VOF, Level-Set or Front Tracking methods. The last part of the paper is devoted to some validation results, compared to analytical solution or experimental data. two-phase flow free surface flow two-fluid model relaxation...
Proceedings Papers

Proc. ASME. HT-FED2004, Volume 1, 845-849, July 11–15, 2004
Paper No: HT-FED2004-56077
... images of the surface. turbulence free surface hydraulic jump two-phase flow image analysis Proceedings of HT- FED 2004: 2004 ASME image analysis ABSTRACT In the context of recent work by Brocchini & of the global environment. It is then relevant to investigate how the processes involved...