An Investigation of the Adjustable Element Concept for Design of Automotive Exhaust Mufflers

710166

02/01/1971

Event
1971 Automotive Engineering Congress and Exposition
Authors Abstract
Content
The feasibility of employing a muffler with adjustable internal elements as an aid for design of production automotive exhaust mufflers is investigated. Design and internal geometry of the muffler are described and illustrated. Equipment and methods for measuring the acoustic reflection and transmission characteristics of the muffler for various adjustments and pure tone frequencies are presented. Results are analyzed and compared with performance data obtained when the source of sound is simulated engine exhaust noise. The value of the adjustable element concept for design of automotive mufflers, and the relative merits of pure tone and exhaust spectrum analyses, are discussed.
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DOI
https://doi.org/10.4271/710166
Pages
9
Citation
Gatley, W., and Gegesky, P., "An Investigation of the Adjustable Element Concept for Design of Automotive Exhaust Mufflers," SAE Technical Paper 710166, 1971, https://doi.org/10.4271/710166.
Additional Details
Publisher
Published
Feb 1, 1971
Product Code
710166
Content Type
Technical Paper
Language
English