Singh has been working at the chemical engineering division, bhabha atomic research centre, mumbai since 2000. Computational fluid dynamics modeling of twodimensional. Whether it is possible to use the built in equations for mass, momentum, energy etc. Now includes comsol multiphysics 5 since most chemical processing applications are conducted either partially or totally in the fluid phase, chemical engineers selection from fluid mechanics for chemical engineers. The two phase darcys law interface 103 domain, boundary, and pair nodes for the two phase darcys law. Comparing equations for twophase fluid flow in porous media. Many fluids of interest are macromolecular in nature, including polymeric. Learn about these and more cfd module updates below. Implementing the sharpinterface phase field method in comsol multiphysics. Two phase flow with water and air in a reactor modeled using the level set method in combination with the ke turbulence model.
Values given by manufacturer, or in the red book if flow is choked critical use. The problem can be simplified in terms of a rotating central liquid pick. Contact information visit the contact comsol page at. The first of these analyses was performed by lockhart and martinelli 1949 and then followed by many others.
He is a recipient of the homi bhabha medal of bhabha atomic research centre in year. Computational fluid dynamics analysis of twophase flow in. Introduction to modeling natural convection in comsol. Application to moving interfaces and two phase fluid flows maged ismail. Comsol, the comsol logo, comsol multiphysics, comsol desktop, comsol server, and. For users of the microfluidics module, comsol multiphysics version 5. Comsol implementation of a multiphase fluid flow model in porous media. This interface is similar to the level set and phase field models for the two phase. Comsol is the developer of comsol multiphysics software, an interactive environment for modeling and simulating scientific and engineering problems. The final example of oilwater flow, from a multistep inlet pressure experiment, builds on the two phase flow model for an airwater system. I am solving two phase system liquidgas and would like to use 2fluid approach. The second project goal was to complete a two phase flow simulation and compare the results for flow regime, pressure drop, liquid holdup, and axial dispersion to the experimental results of vonortas et al.
These allow for equation manipulation such that the main differences between the formulations are. Two phase flow modelling in co msol part 1 duration. Engineering data book iii two phase pressure drops 5 the frictional pressure drop in two phase flows is typically predicted using separated flow models. For users of the cfd module, comsol multiphysics version 5. Two phase flow and multiphysics simulations in comsol. Is there any way to model two phase flow using two fluid approach in comsol. Toro laboratory of applied mathematics, faculty of engineering, 38050, university of trento, italy abstract a conservative hyperbolic model for compressible two phase two uid model is studied and numerical methods for its approximate solution are. Comsol series non newtonian fluid modeling in comsol youtube. We also introduce an alternate method of solving multiphase flow problems that does not use a levelset function. Simulation results of a rotating drum with three phase flow, performed by a comsol multiphysics user with equationbased modeling. It illustrates how a heavier fluid can induce movement in an obstacle using the arbitrary lagrangianeulerian ale technique along with the two phase flow, phase field application. Simulate threephase flow with a new phase field interface. I am currently simulating the temporal development of an interface between liquid and gas, by using comsol multiphysics.
Cfd solution showing simultaneous boiling and condensation. Modelling of two phase flow in porous media with volumeoffluid method. The chemical engineers practical guide to fluid mechanics. Did you use a single phase flow and just considered buoyancy due to temperature differences. Would it be possible to apply a two phase smoke and air nonisothermal flow. Ansys 14 two phase flow in horizontal pipe duration. Ansys fluent boilingcondensation, a cfd tutorial youtube. For laminar flow problems, we discuss how to extend this capability to problems with more than two fluids. Modeling and simulation of multiphase flow in comsol. Various types of equation system formulations for modeling two phase flow in porous media using the finite element method have been investigated. Twophase flow and multiphysics simulations in comsol. Modeling solidliquid settling system as a twophase flow. The following example demonstrates techniques for modeling a fluidstructure interaction containing two fluid phases in comsol multiphysics. Two phase laminar flow and turbulent flow problems may be modeled in comsol mp by using the levelset method.
Modelling of two phase flow in porous media with volumeoffluid method bertrand lagree to cite this version. For the love of physics walter lewin may 16, 2011 duration. Contrary to the single phase flow case, mechanisms of twophase flowinduced vibration can be quite different due to complex motionsinteractions at phase boundary, differences in material properties density, surface tension, viscosity etc. The description used in this new flow interface, the three phase flow, phase field interface, is a separated multiphase flow model. Modelling of twophase flow in porous media with volumeof. A liquidgas simulation with comsol multiphysics physics. Moving mesh method gives an alternative way to model two phase flows with an importance to interface tracking. Review and cite two phase flow protocol, troubleshooting and other methodology information contact experts in two phase flow to get answers. Pdf comsol implementation of a multiphase fluid flow. If you want to model two phase flow that does not involve any topology changes, that is, no droplet breakup, free surface formation, etc. Read more about these subsurface flow module updates below. As a last step, two phase flow is simulated in a three dimensional reservoir focusing primarily on the displacement of the nonwetting oil from the wetting phase water in the course of a waterflooding process, used to optimize oil recovery in.
754 1040 342 1199 1265 1343 1131 792 1288 1303 672 396 15 337 626 500 1156 369 1495 856 845 1427 1303 402 522 53 896 985 380 972 293 1472 1024 576 497 79 622 1343