...FED-VoL 247, Proceedings of the ASME Fluids Engineering Division ASME 1998 STATISTICAL ANALYSIS OF EXPERIMENTAL RESULTS IN AMPLITUDE AND FREQUENCY DOMAINS FOR TWO-PHASE FLOW Jerry K. Keska, Ph.D. Mechanical Engineering Department, Saint Martin s College 3702 Lorne St., Tumwater, Washington, USA...

...: 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 Polymeric viscosity s Solvent viscosity Density...

... 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...

...HTD-Vol. 366-4, Proceedings of t h e ASME Heat Transfer Division 2000 Volume 4 ASME 2000 TWO-PHASE FLOW REGIME TRANSITIONS IN MICROCHANNEL TUBES: THE EFFECT OF HYDRAULIC DIAMETER John W. Coleman and Srinivas Garimelia Department of Mechanical Engineering Iowa State University Ames, IA 50011-2161...

... 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 study, we investigate two-dimensional...

... 1 Copyright © 2013 by ASME CFD Simulation of Gas-Liquid Two-Phase Flow through an Orifice in Millimeter-Scale Rectangular Channel Fuad Ismayilov University of Central Florida Department of Mechanical, Materials and Aerospace Engineering, Orlando, FL 32816 fuad_ism@knights.ucf.edu Olusegun J...

..., Canada zhang66y@uregina.ca Abstract 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...

... 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...

.... Keywords: Heat Transfer, Two-Phase Flow, Slug Flow, Numerical Simulation NOMENCLATURE Bo = Bond number, gD2h( l g C = fraction function Ca = Capillary number, U/ Cp = specific heat capacity, J/kg.K D = microtube diameter, m Dh = hydraulic diameter of channel, m f = Fanning friction factor Fs...

... in heat sink problems. Finally, effects of liquid film around bubbles on heat transfer process have been discussed. Keywords: Heat Transfer, Square Microchannel, Two- Phase Flow, Slug Flow, Numerical Simulation NOMENCLATURE Bo = Bond number, gD2h( l g Ca = Capillary number, U/ Cp = specific heat...

.... Keywords: two-phase flow, single slug, liquid film, pressure drop INTRODUCTION Multiphase flow has been considered as one of the most important fluid dynamics phenomena; as the simplest case of multiphase flow, two-phase flow appears widely in the natural world and is commonly investigated in industrial...

.... 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...

... to applications in both the thermal management and biological micro-fluidics industries. Key Words: Two-Phase Flow, Liquid-Liquid, Heat Transfer, Droplet Flow, Non-Boiling. INTRODUCTION The study of two phase flows in microchannels is an extremely active research area, mainly due to the wide variety...

... 01 05 2012 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...

.... 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 pipe cooler has kept the original heat transfer property...

... uneven heating as well 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...

... 07 07 2010 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...

... of Technology, Canada Glenn.Harvel@uoit.ca Keywords: Two-Phase Flow, Flow Regime, Surface ABSTRACT OctobeVertical Annulus with an Inner ed Tube B. Torica Faculty of Energy Systems and Nuclear Science, University of Ontario Institute of Technology, Canada oughness Effects m/s. Observations are taken at various...

... 26 05 2009 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...

... 26 05 2009 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...