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Heat Transfer, General Introduction, V 4.3Heat Transfer, General Introduction, V 4.3

This PowerPoint document is a general introduction to the heat transfer capabilities of COMSOL Multiphysics and also COMSOL Multiphysics with the Heat Transfer Module. It is organized in 4 parts: -1- Presentation of different thermal...

Boiling WaterBoiling Water

Boiling flow is an example of phase transition initiated by raising the temperature of a liquid above its saturation temperature. It is possible to accomplish this in many ways; in this example by applying an external heat flux to a solid...

Laminar Flow in a Baffled Stirred MixerLaminar Flow in a Baffled Stirred Mixer

This model exemplifies the use of the Rotating Machinery interface, which allows you to model moving rotating parts in, for example, stirred tanks, mixers, and pumps. The Rotating Machinery interface formulates the Navier-Stokes...

Droplet Breakup in a T-junctionDroplet Breakup in a T-junction

Emulsions consist of small liquid droplets immersed in an immiscible liquid and widely occur in the production of food, cosmetics, fine chemicals, and pharmaceutical products. The quality of the product is typically dependent on the size...

Solar Panel in Periodic FlowSolar Panel in Periodic Flow

The coupling of fluid flow and structural mechanics is a challenging problem for several reasons. The fluid flow problem usually requires a specific kind of mesh that is not appropriate for structural mechanics. Additionally, one may want...

Heat SinkHeat Sink

This model is intended as a first introduction to simulations of fluid flow and conjugate heat transfer. It shows you how to: Draw an air box around a device in order to model convective cooling in this box. Set a total heat flux on a...

Inkjet Nozzle: Level SetInkjet Nozzle: Level Set

Inkjet printers are attractive tools for printing text and images because they combine low cost and high resolution with acceptable speed. Designers can vary several parameters to modify a printer’s performance. Simulations can be...

Filling of a Capillary Channel—Level Set and Phase Field ModelsFilling of a Capillary Channel—Level Set and Phase Field Models

This example studies a narrow vertical cylinder placed on top of a reservoir filled with water. Because of wall adhesion and surface tension at the air/water interface, water rises through the channel. Surface tension and wall adhesive...

Particle Tracing in a MicromixerParticle Tracing in a Micromixer

Micromixers can either be static or dynamic depending on the required mixing time and length scale. For static mixers, the Reynolds number has to be suitable high to induce turbulence enhanced mixing. Often micromixers operate in the...

Rising Bubble Rising Bubble

The level set method is well suited for problems with moving boundaries in which the geometry’s topology changes with time. A bubble of oil that travels up through water and finally merges with oil at the top causes this kind of...


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