The sustainable exploitation of raw materials, with improved safety and increased productivity, is closely linked to the development of mechanical mining installations. This is important to understand action force and friction force on the disc brake new material, which use disc brake. The solution times are the same as in the thermal model analysis. A computational finite element model of a brake disc for determining transient. Structural and thermal analysis is to be done on the disc brakes using various materials. Pdf brakes analysis of baja atv ijaems journal academia. Al6061 is used as a base alloy and al 2 o 3 matrix material. A coupled thermal, mechanical and fluid flow study have been conducted using the comsol software to investigate the temperature and stress distribution on the brake disc. Brake, disc brake, steadystate analysis, thermal analysis, ansys, catia v5 1. The aim of this paper is to realize the purpose of the holes in the disk brake. Disc brake model and analysis is done us ing ansys workbench 14.
Computer analysis of transient thermal process of brake discs. Analysis of an automobile disc brake comsol multiphysics. Thermal analysis of brake disc basic steps an overview of the process adopted in performing the brake thermal analysis is shown in the figure 1. Abhang,design and analysis of disc brake,international journal of engineering trends and technology. International journal of engineering trends and technology. Thermal deformation and stress analysis of disk brakes by finite element method. Step by step procedure of how to do steady state thermal analysis of a disc brake fsae in ansys workbench. The standard disc brake two wheelers model using in ansys, done the thermal and modal analysis calculate the deflection, total heat flux, frequency and temperature of disc brake model.
Thermal analysis of disc brake using comsol research trend. Proper consideration is also given to the material hardening models. The braking process was simulated in laboratory and the experimental data was used to verify the simulation results. The main purpose of this study is to analysis the thermomechanical behavior of the dry con tact of the brake disc during the braking phase. Thermal analysis of disc brake using comsol, international journal on emerging. This work deals with the analysis of heat generation and dissipation in a disc brake of. Pdf optimum design and experimental analysis of brake. This paper aims to examine a transient thermal analysis of the disk rotor and pad contact problem for the disk brake system with frictional heat generation, and this simulation is performed by the. To investigate the elasticplastic thermal stress analysis for a brake disc under cyclic temperature gradients, the plasticity theory and flow rules are discussed. Structural and thermal analysis of disc brake using solidworks and. In this thesis the wear analysis of disc brake is analyzed by using analytical. Pdf analysis of frictional heating and thermal expansion in a disc. Catia is a 3d modeling software widely used in the design process. Disc brakes rotor design is varied for rotors of the same intended use for many.
For analysis ventilated disc brake was messed using triangular surface mesher. Maximum temperature of the disc during repeated braking. Comparative study is made between analysis results in the end to obtain the best suitable material for manufacturing disc brake. Pdf a brake is a mechanical device which slowing or stopping a moving object or preventing its motion. In this paper, authors present our results of thermal analysis of disc brake rotor used by twowheelers in india. The model simulates the braking action by investigating the thermal behaviour occurring on the disc and pad surfaces during this period. Study on transient thermal analysis of a disc brake during. The thermal deformation obtained was in good agreement with similar. The standard disc brake two wheelers model using in ansys and done the thermal analysis and modal analysis. I created this video with the youtube video editor. Thermal analysis of disc brake using comsol semantic scholar. The study investigates the thermal and mechanical effect of a braking action on a ventilated carbon ceramic brake disc assembly and determines the best vane profiles for maximum cooling and dissipation of heat. For checking brake performance variations during frequent applications analysis of the disk temperature with time is needed.
The experimental setup for the thermal analysis of brake disc consists of a bed on which an alternating current induction motor of 3 hp 3000rpm. A computational study on the use of an aluminium metal matrix. We developed a 3d thermal structural disc brake model involving representative brake disc rotor and brake pads figure 1. Modeling thermal ablation for material removal comsol blog. The braking process was simulated in laboratory and the experimental data was used to. A threedimensional finite element model with a moving heat source was developed with comsol multiphysics to predict the temperature. Thermal analysis of air flow in a cpu emerging technologies 31. The mine hoist braking system is of paramount importance in its safe operation. Structural analysis is done on the disc brake to validate the strength of the disc brake and thermal analysis is done to. Analysis of frictional heating and thermal expansion in a disc brake. Thermal analysis of solid and vented disc brake during the braking.
Numerical modeling of mine hoist disc brake temperature for. Analysis of frictional heating and thermal expansion in a disc brake using comsol to cite this article. If the cooling is insufficient the disc overheats and results in brake failure. Transient thermal and structural analysis of the rotor disc of disk brake is aimed at evaluating the performance of disc brake rotor of a car under severe braking conditions and there by assist in. Comsol multiphysics for the analysis is effective and. Jan 01, 2012 the transient thermal analysis to determine the temperature distributions on the contact surface of a disc brake is performed. Mine hoists are designed for the transport of material, equipment and personnel between the mine surface and the underground. Disc brake using comsol,international journal on s. Thermal and mechanical model for the disc brake would be generated and solved using comsol multiphysics developed base on the finite element principle. By using comsol multiphysics and the heat transfer module, we can model the transient heating and final temperature of the cars disc brake in the given brake andrelease sequence. Pdf study on transient thermal analysis of a disc brake during. The brake disc model is analysed for four different materials with simple geometry. The temperature mode of the carboncarbon multidisc brake in.
The analysis of the heat generation and dissipation between the rotor disc and pad during adverse braking has been done using comsol. The basic function of disc brake is to stop or slow down the motion of wheel by applying frictional force through calliper assembly. Comparative analysis of disc brake model for different. Design and steadystate thermal analysis of disc brake. This example analyses the temperature distribution of a disc brake. Thermal analysis of solid and vented disc brake during the.
Paper open access analysis of frictional heating and. Alloy, ti alloy and gray cast iron, disc brake material use for calculating normal force, shear force and piston force. Neglecting drag and other losses outside the brakes, the brakes retardation power is given by the negative of the time derivative of the cars kinetic energy. The objective of this work is to investigate and analyze the temperature distribution of rotor disc during operation using comsol multiphysics.
Structural analysis is done on the disc brake to validate the strength of the disc brake and thermal analysis is done to analyze the thermal properties. The model uses the heat transfer interface in 3d and simulates the transient heat production, dissipation and transfer within the disc as it rotates slower and slower. In this set of eight tutorial models and associated documentation, you can investigate the resistive, capacitive, inductive, and thermal properties of a standard threecore leadsheathed xlpe hvac submarine cable with twisted magnetic armor 500 mm2, 220 kv. The effect of heat transfer by conduction through the rotor disc, pad, bolts, and shaft, by. Thermal performance was a key factor which was studied using the 3d model in finite element analysis simulations. Conclusionfrom our study of various design patterns for different materials we have observed that the maximum temperature rise for cast iron is much less as compared to stainless steel and thus on the basic of thermal analysis, cast iron is the best preferable material for manufacturing disc brake. This problem was solved for the selected geometry of disc brake and pad with their. Thermal analysis on disc brakes rotor vipul h hingu, lecturer, mechanical department, sb polytechnic, kj campus savli abstract in this paper, authors present our results of thermal analysis of disc brake rotor used by twowheelers in india. Brake disc, thermal analysis, heat dissipation, comsol multiphysics 5. Numerical analysis of thermoelastic contact problem of disc. Surface temperatures of the disc and pad immediately prior to releasing the brake at t1. Both fields are coupled to the wear evolution equation. The structural and thermal problems are coupled through frictional heat generation, thermal expansion, and thermal contact.
Specify the thermal load by using the transient thermal results rt. International journal of latest trends in engineering and technology. Mechanical simulation involves the clamping pressure and tangential frictional force developed during breaking. Thermal analysis of a solid brake disc sciencedirect. Computer analysis of transient thermal process of brake discs considering the. The disc is allowed to reach the desired speed and the brake is applied by the help of brake lever. In this paper, a methodology for conducting a computer simulation of the. Analytical and finite element analysis of surface wear on disc. Harpal, singh 2012, presented paper on thermal analysis of disc brake using co.
Structural and thermal analysis of disc brake in automobiles. Finite element analysis technique is used to predict the frictional heat, temperature distribution and variation in disc thickness of the disc brake. While applying the brake, the major share of the thermal energy about 95% is. Disc brakes absorb the translational mechanical energy through friction and transform it into the thermal energy, which then dissipates. Pdf thermal analysis of disc brake ijirst international.
Pdf this work illustrates the modeling of frictional heating in a disc brake of a car using comsol multiphysics software. In this study, a typical disc brake system was modeled including brake disc and pads. This is important to understand action force and friction force on the disc brake new material, which use disc brake works more efficiently. This work deals with the analysis of heat generation and dissipation in a disc brake of an car during panic braking and the following release period by using computer aided engineering software for three different materials of rotor disc. The basic features of the disc brakeare designed based on the three modes of heat transfer i. Axisymmetric analysis of bolted disc brake assembly to. The parameters for the disc and pad were selected from the existing literature. This paper describes one such approach based on modified axisymmetry analysis. Maximum temperature of the disc during repeated braking applications. The transient thermal analysis of a disc brake is critical because the friction and braking performance decreases at high temperatures. Pdf thermal analysis of both ventilated and full disc brake. The kinetic energy of the vehicle is transformed into the thermal energy. S,haprial singh, thermal analysis of disc brake using comsol, international journal on emerging technologies.
In this study transient thermal analysis of disc brake during braking and releasing have been conducted in comsol multiphysics. The disc style brakes development and use began in england in the 1890s. Ansys is used for vibration analysis in which the natural frequency of the. A computational model for the heat generation and dissipation in a disk brake during braking and the following release period has been formulated. Introduction brake is a device which is operated by a foot pedal, in. An automotive disc brake is a device which creates resistance to the motion of wheel under running conditions. Thermal analysis is done for two different models of rotors. How to ansys of a thermal analysis of disk brake youtube. This work illustrates the modeling of frictional heating in a disc brake of a car using comsol multiphysics software. The aim of the project is to design, model a disc brake. Simplify analysis of a disc brake by using an axisymmetric model for thermal and thermal stress computations. Thermal analysis of disc brake using comsol international journal on emerging technologies. Comsol multiphysics users guide 2017 heat transfer module. Disc brake coupled tempdisplacement analysis tutorial ii.
Analysis of frictional heating and thermal expansion in a. So, the model is meshed and then analysed to get the detail and correct result of the stress of the contact surface figure 5 thermal meshing of disc brake figure 6 structural meshing of disc brake. Using wellknown modeling techniques, such as symmetry and external. Axisymmetric thermal and structural analysis of disc brake. Tutorial is showing how to run coupled tempdisplacement analysis in abaqus at the example of car disc brake. Need is felt to develop a quick and reliable method to evaluate the thermal stresses in brake discs. The maximum temperature is reached after approximately 23 of the brake engagement time. The standard disc brake two wheelers model using in ansys and done the thermal analysis and modal analysis also calculate the deflection and heat flux, temperature of disc brake model.
Paper open access analysis of frictional heating and thermal. One is a simple rotor without vents and holes and the other perforated consists of holes. The number of nodes used in this meshing is 43161 and elements are 28042. A comparative study was made between grey cast iron gci, asbestos, aluminium metal matrix composite amc, and. The work uses the finite element analysis techniques to predict the temperature distribution on the brake disc and to identify the critical temperature of the brake rotor disc.
The first calipertype automobile disc brake was patented by. Disc brakes are exposed to large thermal stresses during routine braking and extraordinary thermal stresses during hard braking. After manufacturing define thermal performance of disc brake models. Comparison can be done for deformation, stresses, temperature etc. Simulating heating of brake discs in a car comsol blog. Pdf enhanced temperature control in disc brakes bonfring. An example of a disc brake assembly that consists of a ventilated disc. Here the disc brake is designed by using solidworks and analysis is done by ansys workbench r. Numerical modeling of mine hoist disc brake temperature. The issue of nonuniform frictional heating effects of mutual slipping of a disc over fixed pads is tested using fe models with the several possible to occur in automotive application heat transfer coefficients.
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