Search tips
 This content is not included in your SAE MOBILUS subscription, or you are not logged in.

Determination of Transmission and Insertion Loss for the General Multi-Inlet Multi-Outlet Case

Journal Article
2016-01-1310
ISSN: 1946-3995, e-ISSN: 1946-4002
DOI: https://doi.org/10.4271/2016-01-1310
Published April 05, 2016 by SAE International in United States
Determination of Transmission and Insertion Loss for the General Multi-Inlet Multi-Outlet Case
Sector:
Citation: Zhang, Y., Herrin, D., Wu, T., and Hua, X., "Determination of Transmission and Insertion Loss for the General Multi-Inlet Multi-Outlet Case," SAE Int. J. Passeng. Cars - Mech. Syst. 9(1):210-215, 2016, https://doi.org/10.4271/2016-01-1310.
Language: English

Abstract:

Prior research on assessing multiple inlet and outlet mufflers is limited, and only recently have researchers begun to consider suitable metrics for multiple inlet and outlet mufflers. In this paper, transmission loss and insertion loss are defined for multiple inlet and outlet mufflers using a superposition method that can be extended to any m-inlet n-outlet muffler. Transmission loss is determined assuming that the sources and terminations are anechoic. On the other hand, insertion loss considers reflections. For both metrics, the amplitude and phase relationship between the sources should be known a priori. This paper explains both metrics, and measurement of transmission and insertion loss are demonstrated for a 2-inlet 2-outlet muffler with good agreement.

Recommended Content

Technical Paper Modeling, Design and Validation of an Exhaust Muffler for a Commercial Telehandler
Technical Paper Hanger Location Design and Vibration Isolation of an Exhaust System