... mixture phase velocity two-phase flow mixture fluid dynamics experimental data statistical analysis flow patterns probability distribution function power spectral density computer aided data acquisition system FED-VoL 247, Proceedings of the ASME Fluids Engineering Division ASME 1998...

... hydrogels, paints, and vesicles, etc. Keywords: Viscoelastic flow; Two-phase flow; Basilisk; Microchannel flow; Polymeric Viscosity; Volume of Fluid. NOMENCLATURE Solvent Viscosity ratio Interfacial delta function Viscosity ratio Interfacial curvature Relaxation time Viscosity of the fluid p...

... Abstract Numerical simulation of two phase flows in a bath agitated by top blowing lance injection is carried out using the CFX code. An Eulerian-Eulerian two phase flow model is used. The drag, lift and turbulent dispersion forces are taken into account for the interface interactions...

... Abstract An experimental investigation of two-phase flow mechanisms during condensation of refrigerant R134a in small diameter round and rectangular tubes was conducted. A 4.91 mm round tube, and four round tubes with hydraulic diameters ranging from 1 mm – 4 mm were studied to characterize...

... the highly efficient thermal energy transport of phase change from liquid to vapor. However, the excessive consumption of liquid-phase by highly localized heat source causes the two-phase flow maldistribution, leading to greatly reduced heat transfer coefficient, high-pressure loss, and limited flow rate...

... In this paper, numerical research has been investigated for oil-water two-phase flow in a capillary model by software FLUENT. The flow behavior of the oil slug and the influences of both water injection rate and oil slug length have been considered. Results indicate that numerical model performs...

... A numerical model is developed and used to simulate gas-liquid two-phase flow through a plate orifice in a millimeter-scale channel. The channel width is 50 mm and the height is varied from 1.00 mm to 2.00 mm. The contraction ratio and thickness of the orifice are varied over the range 0.04–0.4...

.... two-phase flow single slug liquid film pressure drop 1 A COMPARISON OF OIL-WATER FLOW AND OIL-GAS FLOW IN CAPILLARY MODEL Yihe Zhang Industrial Systems Engineering, University of Regina Regina, Saskatchewan, Canada zhang66y@uregina.ca Liming Dai Industrial Systems Engineering, University...

... augmented waterjet thrust augmentation two-phase flow bubbly mixture speed of sound waterjet propulsion 1 Copyright © 2012 by ASME THRUST ENHANCEMENT THROUGH BUBBLE INJECTION INTO AN EXPANDING-CONTRACTING-NOZZLE WITH A THROAT Sowmitra Singh DYNAFLOW, INC. www.dynaflow-inc.com 10621-J Iron Bridge...

.... It has been shown that film thickness has to be considered in the heat transfer correlations for this type of flow. Something which has not been considered in previous research. Heat Transfer Two-Phase Flow Slug Flow Numerical Simulation Effects of Film Thickness on Heat Transfer in Taylor...

... Square Microchannel Two-Phase Flow Slug Flow Numerical Simulation A Numerical Study on Taylor Flow Heat Transfer in Square Microchannels Under Constant Wall Temperature Boundary Condition V. Talimi , Y.S. Muzychka Microfluidics and Multiphase Flow Research Lab Faculty of Engineering and Applied...

... 02 08 2012 Two-phase flow regimes offer numerous advantages over traditional single phase flows, resulting in a wide variety of uses in diverse applications such as electronics cooling, heat exchange systems, pharmacology and biological micro-fluidics. This paper experimentally...

.... The increased film thickness can shift the mode transitional Reynolds number and reduce the heat transfer coefficient, corroborating the conjecture in our earlier work. falling-film film thickness countercurrent two-phase flow gas flow effects 1 Copyright © 2011 by ASME Proceedings of the ASME...

... A two-phase flow heat transfer experiment platform using alternative refrigerant R134a as working fluid was designed and built to investigate the characteristics of two-phase flow heat transfer. It was primarily made up of circle power, heating/cooling sources, parallel test sections...

... integrated with outside isothermal cycling cooling water. The home-made square coaxial dual-pipe heat pipe has an observation window and is convenient to observe the change of two-phase flow inside the heat pipe influenced by the outside cooling water. The results show that the new developed dual-pipe heat...

... as high furnace tube metal temperature, which can lead to shorten tube life and potentially tube rupture. In order to achieve better understanding of the current design, Computational Fluid Dynamics (CFD) had been used to determine the two-phase flow regime throughout the piping system and report...

... Tube-bundle channels have been widely used in condenser-evaporator and other industrial heat-exchange equipments. The characteristics of two-phase flow patterns and their transitions for refrigerant R-113 through a vertical tube-bundle channel are experimentally investigated using high-speed...

..., the surface conditions are changed on the inner tube. The experiments indicate that the flow regime transition from bubbly to slug flow and from slug to churn flow occur at lower superficial gas velocities. 24 08 2009 Two-Phase Flow Flow Regime Surface Roughness Effects R Proceedings...

... There are water vapour condensation and two-phase flow in plate heat exchangers when they are used as condensers. Water phase change and flow dynamics modelling is an important but complicated task due to large change in water physical/transport properties across the water liquid-vapour...

... For annular liquid-vapor two-phase flow in straight microchannels, effects of gravity are generally small compared to viscous and/or inertia forces. In serpentine evaporator or condenser passages with semicircular return bends, the bend radius may be so small that large centrifugal body forces...