This example describes an array of heating tubes submerged in a vessel with fluid flow entering at the bottom. Comsol multiphysics version 4 brings an unprecedented level of clarity to your simulation work by giving you both an organized model overview and a streamlined modelbuilding process. If you already have a comsol account then move to step 6. Heat transfer rate with electric current using comsol 4. We also offer videos and playlists of keynote speakers, model demonstrations, and software tips from comsol engineers and customers.
Inductive heating of a billet tutorial comsol multiphysics. In this second chapter of a 3part demo you will learn how to. This includes the estimation of magnetic fields from the coil, heat transfer modeling and cooling with laminar flow. Femlab heat transfer tutorial rev rowan university. Multiphysics modeling of resistive heating in an aluminum fuse on a circuit board. In part a of the tutorial we construct the geometry of the problem to be solved. Geometry 1 import 1 imp1 1 on the home toolbar, click import. Design module updates for users of the design module, comsol multiphysics version 5. In these tutorials, linus andersson from the global technical support team here at comsol will show you how to couple the direct current electrical current in a fuse on a circuit board to the heat transfer in it and the surrounding system. You can simulate the effect of joule heating using comsol multiphysics for a variety of electrical applications. Hi guys salaam i am doing simulation of ic pins on comsol. Uh innovation centre college lane hatfield hertfordshire al10 9ab phone. Comsol multiphysics intensive training 2 days an intensive introduction to the workflow and key features of comsol multiphysics via a combination of guided handson examples, lecture, and tutorials. Using the popular heat transfer module from comsol, this text is designed to provide models for investigating and analyzing heat transfer applications such as conduction.
This tutorial model of a twohotarm thermal actuator couples three different physics. The dcinduced resistive heating causes a temperature rise in the actuator, which leads to thermal expansion. Designing and modeling electrical systems and devices. S5 do meshing of the object s6 compute objective to model joule heating of a micro actuator using comsol joule heating module comsol. The heat transfer module can be used to analyze the effects of joule heating, inductive heating, and microwave heating effects.
In this 3rd chapter of a 3part demo you will see how to use temperaturedependent material properties when modeling the joule heating in a fuse on a circuit board. In comsol, how can i input my own specific material properties. Overview of simulating joule heating with comsol software. Comsol heat transfer models multiphysics modeling series. I want to see the heat transfer characteristics in a steel tube using water laminar flow. Setting up and running a simulation with comsol multiphysics. In chapter 2, joule heating and thermoelectric heating in 1st harmonic and 2nd. Dec 06, 2017 this tutorial shows how to create a 3d mesh of an inductor and a billet. The wet surface feature is used to implement the source term for the water vapor and to.
How to set up and run a simulation with comsol multiphysics. The pressure and the velocity field are the solution of the navierstokes equations. This mechanism of heat generation is present in every electrically conductive material even nonmagnetic one. Model 1 right click add physics heat transfer electromagnetic heating joule heating jh s4 now, start adding the properties to the work piece. Electromagnetics modeling in comsol rf module highfrequency modeling microwave heating acdc module statics and lowfrequency modeling induction heating plasma module model nonequilibrium discharges mems module statics subset of acdc module advanced statics electromechanics. Electromechanical system applications and optimization book, authored by ercan dede, jaewook lee, and tsuyoshi nomura, fills a gap in.
The table below lists the earliest version of each browser that supports webgl and websockets, but we recommend always using the latest version of the browser for the best user experience. Determine the thickness needed based on the maximum distortion energy theory. Read 5 answers by scientists with 1 recommendation from their colleagues to the question asked by t. Joule heating in a fuse on a circuit board, chapter 1 comsol. This is a reference guide on simulation and topology optimization written with both students and industry engineers in mind. Chapter 3 presents the modeling of a project conceptual inductor model in comsol. After completing this tutorial, watch more videos in our video gallery. The power transistor, in this case an offtheshelf product, can be mounted on a heat. Electric heating, also referred to as joule heating, is in many cases an. Chapter 2 describes the electromagnetic heating modeling process using simple coil models in comsol. How to build 3d objects from 2d geometries in comsol.
Watch the video to learn about how the new ui works in terms of the new ribbon. The effects that need to be taken into account are heat transfer, transport of water vapor, and fluid flow. Find out how to add physics and solve the model in comsol multiphysics. The comsol software automatically formulates the energy equation coupled to the momentum and mass balance equations for ideal gases. By the end you will be well on your way to reaping all. The layer results in joule heating when a voltage is applied to the circuit, which results in a structural deformation.
An explanation on how to model with a programming language is available in yet another book, the comsol multiphysics scripting guide. This handson workshop covers the development of a loudspeaker product from concept to design, to modeling, to materials choices, to building a working loudspeaker and testing to confirm it fulfills the. After a general introduction to the user interface, several tutorials will take you step by step through sample models that highlight important features. This is the first video in a 3part demo on multiphysics modeling of resistive heating in an aluminum fuse. The rf heating tutorial is an example of a twoway coupled problem. The layers properties determine the amount of heat produced. In both cases, when meshing these models, automatic mesh refinement resolves the shock pattern by refining around the regions with very high velocity and pressure gradients. The model shown in the video concerns the re heating of a billet traveling through a coil. Joule heating in a fuse on a circuit board, chapter 2 comsol. I want to see the effect of free convection on a patch of water enclosed inside a solid calcite when it is heated by a dipole antenna. Tutorial model of a heating circuit comsol multiphysics. Following the steps given in the documentation of the comsol heat conduction in a slab tutorial see next page. A couple of applications that do rely on joule heating include hot plates directly and microvalves for fluid control indirectly, through thermal expansion.
The second mechanism of heat generation in workpiece is related with hysteresis losses and it. In some cases, joule heating is pertinent to an electrical devices design, while in others, it is an unwanted effect. Also referred to as ohmic or resistive heating, joule heating commonly affects material properties, such as electrical conductivity. We discuss methods that involve simple approximations, highfidelity nonisothermal flow coupling, modeling heat transfer at fluidsolid interfaces, boundary approximations using heat transfer coefficients, techniques to fully resolve the flow and. Comsol heat transfer models multiphysics modeling series layla s. Simulation of ground heat exchanger for cryogenic applications. Engineers, researchers, and scientists across industries use multiphysics simulation to research and develop innovative product designs and processes. Small heating circuits find use in many applications. After completing this tutorial, you can learn more about each step in the modeling workflow through the comsol learning center.
Simulation of current density for electroplating on silicon using a hull cell. The comsol user interface reduces clutter and redundant tasks, so your attention can be focused on the substance of your design studies. I am trying to simulate a joule heating experiment where a potential difference to applied across two electrodes causing the water and the cube within the vessel to heat up, please see image attached. Napa ab by jerry mcnutt eminence loudspeaker, jinlan huang comsol, brian myersparts expressdayton audio.
Create 3d objects from 2d plane geometries using the tools, operations, and functionality in comsol multiphysics. Sert comsol1 tutorial 3 problem definition the following bicycle wrench is made of a 36 steel. The thermalelectric multiphysics capability in abaqus provides a complete fullycoupled capability including nonlinear effects in material properties in both the electrical and thermal physics components. My objective is to evaluate the joule heating effect on the ic pins due to the injection of electirc current pulse. To demonstrate the use of the modeling workflow, we simulate the joule heating of a busbar. It is important to mention that the heat generated at the junction is influenced by the joule heating and thermal gradient effects. The powerful tools in the autocad cad system allow you to. Frequency domain modeling of the magnetic fields is combined with stationary heat transfer. Joule heating calculates heat energy generated during the passage of electric current through a semiconductor. It helps designers to spot the overheated areas and make proper improvements to. The meshing is done using open source tool salome, which is integrated in cenos platform. Tutorial for running comsol files from comsol website. Add a blank template material to your model, assign it to the necessary parts of your model geometry, and describe how the material behaves through specifying material properties.
This allows a full range of joule heating capabilities to be simulated within the familiar abaqus environment. The combination of comsol products required to model your application depends on several factors and may include boundary conditions, material properties, physics interfaces, and part libraries. Joule heating in a fuse on a circuit board tutorial, chapter 2. For example, in manufacturing processes, they heat up reactive fluids. The busbar is made of copper and contains bolts made out of. The device in this tutorial example consists of an electrically resistive layer deposited on a glass plate. Simulation of current density for electroplating on silicon. Time varying heat equations and maxwells equations are solved in frequency domain and applied to commercial finite element software, comsol. Warning your internet explorer is in compatibility mode and may not be displaying the website correctly. System requirements for running comsol apps version 5.
These multiphysics simulation capabilities are useful in the design and study of underground cables, fuses, inductors. This course is a recommended prerequisite for all specialized courses. Browse all of the acdc module updates in more detail below. This is a multiphysics model because it involves fluid dynamics coupled with heat transfer. Comsol multiphysics graphical user interface, please refer to the comsol multiphysics users guide or the comsol multiphysics quick start manual. Middle east technical university mechanical engineering. In testing we used a pulsed laser along a range of peak powers. The informative charts give you an idea of comsol s capability by associated files, functions, and builtin options. The temperature in the busbar rises due to resistive heating. In this, i am explaining joule heating effect simulation by using comsol multiphysics software.
As alternative we can use the already constructed geometry by applying the steps from part b. Cfd software for simulating fluid flow applications comsol. Joule heating of a microactuator thermalactuatorjh. If you dont have an account, then click on create an access account to create one. Multiphysics modeling of resistive heating in an aluminum fuse. In comsol multiphysics, you can create your own completely customized materials.
Thermoelectric simulation using comsol multiphysics and. Her research areas include heat transfer modelling and validation, thermal management, thermal imaging, flow optimization, and process improvement. While simulation, i have encountered a problem given. Submit a plot similar to figure 52 in the documentation. Find inspiration in technical papers and presentations they have presented at the comsol conference. The layer results in joule heating when a voltage is applied to the circuit, which results in a structural. The em loss acts as a source of heat, which increases the value of temperaturedependent. Recent versions of the most popular web browsers support the webgl standard for 3d graphics and websockets.
The inductive heating of a steel billet model presented in the video can be downloaded from our model gallery. This archived webinar provides an overview of simulating joule heating with comsol multiphysics. A class kit license ckl allows students and teachers to run the comsol multiphysics simulation software for use in an ordinary course. Modeling of electromagnetic heating of multicoil inductors. Joule heating effect multiphysics in integrated circuit.
Comsol pace georgia institute of technology atlanta, ga. To efficiently calculate electric fields outside electrical installations, a researcher from abb created a simulation app. This tutorial model of the joule heating effect in a busbar demonstrates how to synchronize geometry between autocad and comsol, how to modify the. This video walks you through the steps of downloading and installing comsol multiphysics. Installing comsol multiphysics with a class kit license. Running a model classfile with the comsol batch command getting the comsol installation path from the windows registry setting up eclipse for compiling and running a java file the model object in the comsol java api you access models through the model object, which contains all algorithms and data structures for a comsol model. These can include inductors, capacitors, coils, motors, and insulating material, where the parameters that must be measured and optimized to describe their property include inductance, capacitance, impedance, force, torque, and resistance. Design optimization for electromechanical applications the multiphysics simulation. The cube is submerged in the water and should theoretically heat up quicker than the water due to its conductivity. Ive tried heat transfer joule heating, but it doesnt provide me with the same results. This tutorial shows how to couple three physics interfaces to model evaporative cooling. Middle east technical university mechanical engineering department me 4 introduction to finite element analysis spring 2015 dr.
The layer results in joule heating when a voltage is. Electrical devices come in many shapes and sizes and often have to connect and correlate with many other devices in an electrical system. Particular functionality may be common to several products. A few examples of where this occurs includes conductors in fuses, electronics, power lines, and electric heaters. Joule heating in a fuse on a circuit board tutorial, chapter 3.
820 1013 1075 781 319 1027 1270 6 867 883 232 101 1370 1411 532 751 1111 321 635 31 208 405 1217 1167 818 1104 1306 1182 842 1257 598 784 901 407 135 147 1322 952 1064 639 15 897 1201 630 1294 1232 699 246 1083