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Show allCOMPUTATIONAL FLUID DYNAMICS ANALYSIS OF A RESISTANCE MUFFLER
Abstract
In this project, design and CFD (computational fluid dynamics) of a car muffler has been presented. The designing and CFD is done in the 3D Modelling Software, DSS SolidWorks 2014. The main objective of the project is to discover the components of car muffler, how it’s built and how it is designed by the engineers. The problems they face while designing so. Car muffler is most widely used in the sports and family cars. We have made two different car muffler designs. With the help of flow simulation we will be able to get an idea of how a car muffler is able to absorb the sound produced by the engine and how its proper designing reduces back pressure results in increased horsepower of the engine. The CFD has been done for all the two models. Based on the result generated by the software we came to know that which one of the two models is the best.
The turbulence optimisation is the main to reduce the acoustic effect or noise caused by the vehicle.
References
Key Fonseca De Lima, Arcanjo Lenzi, Renato Barbieri; “The Study of Reactive Silencers by Shape and Parametric Optimization Techniques”, Applied Acoustics 72 (2011) pp.142–150.
Jesus Blanco, Andrew Earnshaw; “Study Of the Noise Characteristics of Motorcycle Silencers”, SAE 2001 World Congress Detroit, Michigan March 5-8, 2001.
John Perkins, Jay Robichaud, Brian Ellis, “Advanced Two-Stroke Tuned Exhaust System” Mee 487 & 488 Design Iii &Iv”.
Peter Hield; “The Effect of Backpressure on the operation of Diesel Engines”, Maritime Platform Division, Defense Science and Technology organization, DSTO-TR-2531, Australian Government (Unclassified).
Ying-Li Shao; “A Study on Exhaust Muffler Using a Mixture of Counter phase-Counteract And Split-Gas Rushing”, Advanced In Control Engineering And Information Science, Engineering 00 (2011) pp.4409-4413.
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