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Introduction to Contemporary Muffler Design Techniques

Most muffler design in the automotive industry is accomplished by using "cut-and-try" methods that rely on what has worked in the past and/or extensive full-scale testing on engines for validation. New computer software aimed at muffler design can shorten the design cycle and yield more effective results.

This four hour seminar provides an introduction to the behavior of mufflers and silencers including a description of the two-port approach to muffler design. This seminar covers the acoustic simulation of muffler and silencer systems and the use of experimental methods to measure muffler performance. Following a review of basic muffler concepts and definitions, this seminar will focus on meeting design objectives such as insertion loss with a specified back pressure requirement. This seminar will show how modern software such as SIDLAB can be used to model both the acoustics and flow in achieving the design objective and the role that 1D engine simulations can play in providing important input. The final topic will cover optimizing muffler design to meet a specified design objective with a specified space constraint. The main focus is on IC-engine intake and exhaust systems, but most of the information is also applicable to any pipe or duct system.

What Will You Learn

By attending this seminar, you will be able to:

Explain the underlying principles of mufflers and silencers
Gain insight into muffler and silencer design concepts using contemporary software
Understand experimental methods for measuring muffler and silencer performance

Is This Course For You

This course is designed for engineers and technical managers seeking an understanding of the principles of muffler design and an introduction to the use of muffler and silencer design software. In addition, other personnel from companies that design, purchase, or manufacture muffler or silencer systems will also benefit from the information presented in this seminar.

Materials Provided

This data is not available at this time

Course Requirements

This data is not available at this time

Topics

DAY ONE

Overview of Engine Exhaust and Intake Systems
- Definitions: TL, IL, etc.
- Performance measures for intake and exhaust systems
Engine Exhaust and Intake Systems Measurement Methods
- Measurement of TL
- Measurement of IL
Design Approach for Exhaust and Intake Systems
- Two-port method for modeling
- Typical results for muffler system design
Software for Engine Exhaust and Intake Modeling Design
- Optimization to meet a specific design objective
- Examples of muffler system design

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