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Keywords: Multiphase flow
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Proceedings Papers

Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T04A005, July 13–15, 2020
Paper No: FEDSM2020-20117
... cavitation cloud multiphase flow smoothed particle hydrodynamics (SPH) liquid-jet Abstract Cavitation generates a portion of cavities called a cavitation cloud, which performs a collective unsteady motion of repeating the process of growth and collapse. In particular, it is considered...
Proceedings Papers

Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T04A006, July 13–15, 2020
Paper No: FEDSM2020-20301
... cavitation bubbly flow bubble dynamics compressible flow multiphase flow Abstract The Barotropic Cavitation Model describes the behavior of a homogeneous mixture of liquid and gas bubbles (gaseous cavitation) as it traverses a converging-diverging (CD) nozzle. Its normal shock...
Proceedings Papers

Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T04A038, July 13–15, 2020
Paper No: FEDSM2020-20477
... of the applied discretization scheme. The obtained velocity profiles from the computational analyses show excellent agreement with the analytical solution confirming the reliability of the single-phase flow solver. To validate the computational results for the multiphase flow solver, we used the...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A002, July 28–August 1, 2019
Paper No: AJKFluids2019-4769
... path. multiphase flow non-Newtonian fluid bubble rise volume of fluid sharp surface force method GPU computing NUMERICAL SIMULATION OF A GAS BUBBLE RISING IN POWER-LAW FLUIDS USING A SHARP SURFACE FORCE IMPLEMENTATION Purushotam Kumar Kai Jin , Surya Pratap Vanka Department of Mechanical...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A028, July 28–August 1, 2019
Paper No: AJKFluids2019-4614
...THE SCIENCE AND TECHNOLOGY OF VOID FRACTION MEASUREMENTS IN MULTIPHASE FLOW Abdullah Abbas Kendoush Department of Nuclear Engineering Technology, Augusta Technical College, Augusta, GA 30906 , USA ABSTRACT Void fraction measuring techniques are reviewed with emphasis on applications to multiphase...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A080, July 28–August 1, 2019
Paper No: AJKFluids2019-4615
... CFD DEM multiphase flow sediment transport sewer flushing Abstract In sewer sediment management, the removal of depositions using hydraulic flushing gates has recently gotten great attention. Despite numerous investigations, the complex process of sediment transport under flushing...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A032, July 28–August 1, 2019
Paper No: AJKFluids2019-5181
... particle imaging velocimetry PTV high speed video particle tracking multiphase flow Abstract The US Department of Energy’s National Energy Technology Laboratory is pursuing the development of advanced energy conversion technologies, many of which use gas-solid reactors such as...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A083, July 28–August 1, 2019
Paper No: AJKFluids2019-4943
... Abstract In recent years, Lattice Boltzmann Methods (LBM’s) have emerged as a popular class of paradigms for the simulation of multiphase flows. These methods rely on discretized Boltzmann equations to represent the individual multiphase species. Among LBM’s advantages is its ability to...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 2: Computational Fluid Dynamics, V002T02A042, July 28–August 1, 2019
Paper No: AJKFluids2019-5360
... fluid instability cavitation liquid jet large eddy simulation multiphase flow Abstract Interface instability of droplet and formation of the liquid jet caused by internal volume oscillation are directly related to liquid pumping and mixing of microfluidic devices. Complex morphology...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A040, July 28–August 1, 2019
Paper No: AJKFluids2019-5486
... Abstract Multiphase pumps are increasingly being used to transport gas-liquid multiphase flow in the oil and gas industry. Complexity of two-phase flow interaction and varying designs of multiphase pumps pose significant challenges to developing generalized performance prediction tool similar...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A001, July 28–August 1, 2019
Paper No: AJKFluids2019-4647
... microbubble clusters intermittently, which has Coulomb potential due to negative electric charge on bubble interfaces. Keywords: Microbubble, Turbulent Boundary Layer, Drag Reduction, Multiphase Flow, Flow Visualization 1. INTRODUCTION Frictional drag reduction by bubble injection into turbulent boundary...
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, V01CT24A005, July 7–11, 2013
Paper No: FEDSM2013-16436
... Light absorption, fluid dynamics, and algal metabolism are the three key factors in determining the overall algae cultivation performance of a photobioreactor. The turbulent mixing of multiphase flows inside the photobioreactor (i.e., liquid phase — water, gas phase — CO 2 and O 2 , and solid...
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, V01CT20A003, July 7–11, 2013
Paper No: FEDSM2013-16204
... concentration and pressure losses were investigated and validated using data obtained from Middle East Technical University Petroleum and Natural Gas Engineering Department Cuttings Transport / Multiphase Flow Loop. The drilling fluid of study is limited to water, a Newtonian fluid. The results obtained from...
Proceedings Papers

Proc. ASME. FEDSM2012, Volume 1: Symposia, Parts A and B, 405-412, July 8–12, 2012
Paper No: FEDSM2012-72139
... volume fraction or particle diameter. 7) PIV measurement results correspond well with the CFD simulation results, which in turn gives a good validation of the simulation accuracy. This work offers a good data set to develop the comprehension of the unsteady multiphase flow in the double-channel pump...
Proceedings Papers

Proc. ASME. FEDSM2009, Volume 1: Symposia, Parts A, B and C, 1617-1621, August 2–6, 2009
Paper No: FEDSM2009-78228
... also presents results in the form of overall performance and volume fraction distribution etc in both the zones. The paper describes the approach used in numerical experiments and the results thereof. KEYWORDS CFD, Cavitation, Hill Curve, Francis Turbine, Multiphase Flow. INTRODUCTION Cavitation [1] is...
Proceedings Papers

Proc. ASME. FEDSM2008, Volume 1: Symposia, Parts A and B, 1125-1129, August 10–14, 2008
Paper No: FEDSM2008-55061
... useful in getting additional information on loss in impeller and casing separately. This gives a clue to as which component needs improvement. The paper describes the approach used in numerical experiments and the results thereof. CFD Pump Solid Particles Multiphase flow Proceedings of...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 1329-1337, July 30–August 2, 2007
Paper No: FEDSM2007-37234
... eddy. Multiphase Flow Particle Turbulence Direct Numerical Simulation Coherent Fine Scale Eddy Proceedings of FEDSM2007 5th Joint ASME/JSME Fluids Engineering Conference July 30-August 2, 2007 San Diego, California USA causes preferential concentration of particles is closely related to...
Proceedings Papers

Proc. ASME. HT-FED2004, Volume 3, 807-814, July 11–15, 2004
Paper No: HT-FED2004-56703
... Multiphase Flow Capillary Rectangular Channel Holdup Frictional Pressure Drop Correlation Experiments on the horizontal and the vertical upward gas-liquid two-phase flows were done to clarify the flow phenomena in a flat capillary rectangular channel. The flow patterns, the passing...
Proceedings Papers

Proc. ASME. HT-FED2004, Volume 3, 497-505, July 11–15, 2004
Paper No: HT-FED2004-56220
... Bubble column Cellulose fiber Gas holdup Hydrodynamics Multiphase flow Effects of superficial liquid velocity ( U l ), superficial gas velocity ( U g ), and fiber mass fraction ( C ) on gas holdup ( ε ) and flow regime transition are studied experimentally in well-mixed water...
Proceedings Papers

Proc. ASME. HT-FED2004, Volume 3, 419-427, July 11–15, 2004
Paper No: HT-FED2004-56142
... used for engines of automobiles, and the predicted profile of the liquid film was sharp in an air region where the thickness of the liquid film became thinner than the grid sizes. multiphase flow free surface particle method Cubic Interpolated Propagation hybrid method predicted both the...