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Voyez comment la modélisation et la simulation sont utilisées par les industries La modélisation et la simulation multiphysiques pilotent l'innovation dans tous les grands secteurs d'activité et dans le monde universitaire — comme en témoignent les nombreuses utilisations présentées dans des articles et des posters techniques présentés par des ingénieurs, chercheurs et scientifiques à la Conférence COMSOL chaque année. Inspirez-vous des récents proceedings réunis ci-dessous, ou, pour trouver les présentations les plus intéressantes dans votre domaine d'intérêt, utilisez la recherche rapide.

Consultez les proceedings de la Conference COMSOL 2024

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Boston 2025

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Multiphase Flow

Numerical Investigation of Mass Transfer with Two-Phase Slug Flow in a Capillary

W. Han, and B.H. Dennis
University of Texas, Arlington, TX, USA

The multiphase flow of two immiscible liquids in a microchannel was investigated numerically. A Y-shape micromixer was designed to produce a pattern of slugs from the flowing liquids. The mass transfer characteristics of this flow pattern are of primary interest in this study. A simple ... En savoir plus

Iberian COMSOL Multiphysics Conference 2024

In this conference we have brought together a community that is scientifically diverse in an event that allows for inspiring contacts about the use of COMSOL Multiphysics. It is an event to connect with the Spanish and Portuguese COMSOL Multiphysics users and participate in training ... En savoir plus

Numerical Computation of Two-Phase Flow in Porous Media

D. Droste[1], F. Lindner[1], C. Mundt[1], M. Pfitzner[1]
[1]Universität der Bundeswehr, Munich, Bavaria, Germany

In this study we investigate the heat and mass transfer in a porous media with phase change. The liquid fluid is injected from one side and heated from the other side, where it leaves the porous material in a gaseous state. Dominant forces are capillary interactions and two-phase heat ... En savoir plus

Comparison of Different Passive Oil-Water Mixing Schemes in a Flow Loop

A. Chaudhuri[1]
[1]Materials Synthesis & Integrated Devices, Los Alamos National Laboratory, Los Alamos, NM, USA

Oil and water are immiscible fluids and they tend to separate very easily when introduced into a flow stream from two different sources in a flow loop. This model studies the development of mixture volume fraction in an oil-water-flow loop with 3 different passive mixing schemes: (i) ... En savoir plus

Two-Phase Flow and Multiphysics Simulations in COMSOL

Dr. Singh has been working at the Chemical Engineering Division, Bhabha Atomic Research Centre, Mumbai since 2000. He has a Ph.D. from the Department of Chemical Engineering, IIT Bombay. He is a recipient of the Homi Bhabha Medal of Bhabha Atomic Research Centre in year 2000, Young ... En savoir plus

Non-isothermal Flow of CO2 in Injection Wells: Evaluation of Different Injection Modes

O. Silva [1],
[1] Amphos 21 Consulting S.L., Barcelona, Spain

Injection conditions of CO2 at the wellhead may play a major role on the flow behavior through the wellbore. The density and the injection rate reached at the bottomhole are key factors affecting the performance and efficiency of CO2 geological storage. In this work, a model of non ... En savoir plus

Two-phase Flow Calculations in Pore Unit Cells Implementing Mixed FEM/Lattice-Boltzmann Simulators

E. D. Skouras [1][2], A. N. Kalarakis [2], M. S. Valavanides [3], V. N. Burganos [1],
[1] Foundation for Research and Technology, Hellas/Institute of Chemical Engineering Sciences, Patras, Greece
[2] Dept of Mechanical Engineering, TEI of Western Greece, Patras, Greece
[3] Dept of Civil Engineering, Applied Mechanics Laboratory, TEI of Athens, Athens, Greece

In general, macroscopic two-phase flow in porous media is a mixture of connected and disconnected oil flow. The latter is expressed as ganglion dynamics and drop traffic flow, patterns observed experimentally in pore network models [1,2] and real porous media [3,4]. This characteristic ... En savoir plus

Single Phase Flow Models in Fractal Porous Media Using a Fractal Continuum Mechanics Approach

E. Linares-Pérez [1], M. Díaz-Viera [1, 2],
[1] Instituto de Geofísica, Universidad Nacional Autónoma de México, Coyoacán, DF, México
[2] Instituto Mexicano del Petróleo, Ciudad de México, DF, México

The primary motivation of this work was to develop flow models in porous media with fractal properties to represent the anomalous behavior observed in some pressure tests in naturally fractured reservoirs. En savoir plus

Computational Study on Transition of Oil-Water Flow Morphology due to Sudden Contraction in Microfluidic Channel

J. Chaudhuri[1], S. Timung[1], T. K. Mandal[1], D. Bandyopadhyay[1]
[1]Indian Institute of Technology Guwahati, Guwahati, Assam, India

The flow morphology of two immiscible fluids in a microfluidic device finds numerous applications such as emulsification, synthesis of nanomaterials [1], lab-on-a-chip devices and biological analysis [2]. It offers many advantages over the conventional macroscopic devices because of its ... En savoir plus

Gravity-Driven Film Flow: Design of Bottom Topography

C. Heining[1] and N. Aksel[1]

[1]Applied Mechanics and Fluid Dynamics, University of Bayreuth, Bayreuth, Germany

We study the gravity-driven film flow of a Newtonian liquid down an inclined plane. Many applications such as heat- and mass exchangers and evaporators or film coaters require undulated or rippled bottom topographies. In these cases, the interplay of gravity, surface tension and inertia ... En savoir plus

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