Heat Transfer

User Stories

COMSOL Helps Commercialize Molding TechnologyCOMSOL Helps Commercialize Molding Technology

RocTool, Le Bourget du Lac, France
Mathematical modeling is going far beyond the R&D lab and is starting to make a real difference in manufacturing processes. Today it would be virtually...

Melt it in Mid-airMelt it in Mid-air

EPM-Madylam Laboratory, Grenoble, France
Dr. Ernst develops cold crucibles that melt incredibly hot metals and other materials without letting the melt touch the container walls. With these methods...

Multiphysics Simulations Help Keep Eyes HealthyMultiphysics Simulations Help Keep Eyes Healthy

Nanyang Technological University, Singapore
Researchers have been exploring for an accurate yet non-invasive method of predicting eye diseases at earlier stages than are currently possible. One...

Electrochemical Machining in Appliance ManufacturingElectrochemical Machining in Appliance Manufacturing

Royal Philips Electronics NV, Drachten, Netherlands
Behind your clean, close shave there is an enormous amount of high technology, even in electric shavers that have been around for decades. On its...

Reduced Metal Consumption in Electroplating Saves Big MoneyReduced Metal Consumption in Electroplating Saves Big Money

PEM, Siaugues, France
Given the scarcity and price developments of today’s metals, virtually all of them can be counted as being ‘precious’. As a result, electroplating firms...

Airbus Evaluates Friction Stir WeldingAirbus Evaluates Friction Stir Welding

Cranfield University, Cranfield, Bedfordshire, UK
Friction Stir Welding (FSW) is an alternate way to joining metals, which also provides stronger welds. Dr. Paul Colegrove reports on the benefits of FSW, and...

A Model of Direct Thermal PrintingA Model of Direct Thermal Printing

ZINK Imaging , Massachusetts, USA
We used multiphysics modeling to model the mechanical and thermal behavior of our direct thermal printing process and to postprocess the data. The mechanical...

University brings PDEs to Life in Undergraduate EducationUniversity brings PDEs to Life in Undergraduate Education

Rowan University, Glassboro, NJ
An undergraduate heat transfer course uses COMSOL Multiphysics to help students design the cooling of a motorcycle engine block. Students were able to create...

Ugitech optimizes steel casting process using COMSOL MultiphysicsUgitech optimizes steel casting process using COMSOL Multiphysics

Ugitech S.A., Ugine, France
Ugitech S.A., a manufacturer of stainless steel in France, has used COMSOL Multiphysics to optimize running of its continuing casting machines. In their case...

Simulation of Manufacturing Process of Ceramic Matrix CompositesSimulation of Manufacturing Process of Ceramic Matrix Composites

AltaSim Technologies, Columbus, OH, USA
Application of simulation tools have allowed designers to reduce cycle time, increase part yield, and optimize the process window for CMC manufacturing. The...

Example Models

Microwave Cancer TherapyMicrowave Cancer Therapy

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...

Cold CrucibleCold Crucible

A cold crucible is used for the manufacturing of alloys that require a high degree of purity, like titanium alloys for the aeronautic industry. The cold crucible in this model is made of several water-cooled copper sectors that form the...

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...

Continuous CastingContinuous Casting

This example models the casting process of a metal rod from melted to solid state using the Non-Isothermal Flow multiphysics interface, which combines heat transfer and fluid flow. The model describes the fluid and solid flow and heat...

Convection Cooling of Circuit Boards: Forced and Natural ConvectionConvection Cooling of Circuit Boards: Forced and Natural Convection

The suite of models examine the air cooling of circuit boards populated with multiple integrated circuits (ICs), which act as heat sources. Two possible cooling scenarios are depicted: vertically aligned boards using natural convection,...

Hepatic Tumor AblationHepatic Tumor Ablation

One method for removing cancerous tumors from healthy tissue is to heat the malignant tissue to a critical temperature that kills the cancer cells. This example accomplishes the localized heating by inserting a four-armed electric probe...

Heat Transfer in a Surface-Mount Package for a Silicon ChipHeat Transfer in a Surface-Mount Package for a Silicon Chip

All integrated circuits—especially high-speed devices—produce heat. In today’s dense electronic system layouts heat sources are many times placed close to heat-sensitive ICs. Designers of printed-circuit boards often need to...

Turbulent Flow Through a Shell-and-Tube Heat ExchangerTurbulent Flow Through a Shell-and-Tube Heat Exchanger

This model studies 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 are assumed...

Microwave OvenMicrowave Oven

This is a model of the heating process in a microwave oven. The distributed heat source is computed in a stationary, frequency domain electromagnetic analysis followed. This is followed by a transient heat transfer simulation showing how...

Convective Cooling of a Potcore InductorConvective Cooling of a Potcore Inductor

The inductor is a common component in a variety of electrical devices. Its applications include power transformation and measurements, and it can also be used together with capacitors to create oscillators. In small devices with many...

A Transient Analysis of Freeze-dryingA Transient Analysis of Freeze-drying

Freeze-drying, or lyophilization, is a process for drying heat-sensitive substances such as foods, blood plasma, and antibiotics. The wet substance is frozen and then, through sublimation, ice (or some other frozen solvent) is removed in...

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,...