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Heat Transfer Module

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Cooling and SolidificationCooling and Solidification

In this model, continuous casting processing of a metal rod from melted to solid state is modeled. The model describes the fluid and solid flow and heat transport, including the phase transfer from melt to solid. This phase change...

Forced Convection Cooling of Horizontal Circuit BoardForced Convection Cooling of Horizontal Circuit Board

In this suite of models, temperature distribution and fluid flow field is modeled with the General Heat Transfer and the Non-Isothermal Flow application modes. By modeling the fluid flow and heat transfer simultaneously the convective...

Free Convection in a Water GlassFree Convection in a Water Glass

This model treats the free convection and heat transfer of a glass of cold water heated to room temperature. Initially, the glass and the water are at 5 °C and are then put on a table in a room at 25 °C. The nonisothermal flow is...

Free Convection in a Light BulbFree Convection in a Light Bulb

This model treats the free convection of argon gas within a light bulb. It shows the coupling of heat transport (conduction, radiation and convection) to momentum transport (non-isothermal flow) induced by density variations caused by...

The Action of Boiling Water from Two Adjacent NozzlesThe Action of Boiling Water from Two Adjacent Nozzles

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...

Shell-and-Tube Heat ExchangerShell-and-Tube Heat Exchanger

In this model, you will study a part of a shell-and-tube heat exchanger, where hot water enters from above. The cooling medium flows through the tubes that, in this model, impose a constant temperature at the walls. Furthermore, the tubes...

Friction Stir Welding of an Aluminum PlateFriction Stir Welding of an Aluminum Plate

In friction stir welding, a rotating tool moves along the weld joint and melts the aluminum through the generation of friction heat. The tool’s rotation stirs the melted aluminum such that the two plates are joined. In this model,...

Fluid-Structure Interaction in Aluminum ExtrusionFluid-Structure Interaction in Aluminum Extrusion

In massive forming processes like rolling or extrusion, metal alloys are deformed in a hot solid state with material flowing under ideally plastic conditions. Such processes can be simulated effectively using computational fluid dynamics,...

Microwave Heating of Cancer TumorMicrowave Heating of Cancer Tumor

Electromagnetic heating is ideally suited for modeling in COMSOL Multiphysics. This model shows the area of Hyperthermic Oncology but the modeling issues and techniques are generally applicable to any problem involving electromagnetic...

Thermo-Mechanical Analysis of a Surface Mounted ResistorThermo-Mechanical Analysis of a Surface Mounted Resistor

The drive for miniaturizing electronic devices has resulted in today’s extensive use of surface-mount electronic components. An important aspect in electronics design and the choice of materials is a product’s durability and...


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