An Investigation and Validation of Tailpipe Noise Contribution to Vehicle Cabin via Transfer Path Analysis Concept

Document Number: 2009-01-2044

Date Published: May 2009

Author(s):
Chuanxi Ju - Tenneco Inc.
Sung Yoo - Tenneco Inc.

Abstract:
To facilitate the design and validation of exhaust system, quantification of tailpipe noise contribution to vehicle cabin is usually necessary. In this paper, transfer path analysis (TPA) concept has been applied to investigate the contributions from tailpipe and other noise sources as well as the interaction between tailpipe noise and its transmission path to vehicle cabin. An artificial acoustic source has been designed for transfer function measurement and an all-wheel-drive dynamometer located in anechoic chamber is used as a testing platform to collect operational data. A validation methodology has also been proposed and implemented by comparing the measured and predicted interior noise response with a big auxiliary muffler (BAM).

File Size: 183K
Product Status: In Stock

See other papers presented at SAE 2009 Noise and Vibration Conference and Exhibition, May 2009, St. Charles, IL, USA, Session: Intake / Exhaust (Part 3 of 3)

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