Browse Publications Technical Papers 2017-26-0327

Comparative Study of Modified Methodology Over Conventional Methodology for Tailpipe Noise Measurement 2017-26-0327

Increase in customer awareness for better vehicle noise together with strict pass-by noise limits have compelled the automotive industry to improve the overall vehicle noise performance. Out of various contributors to the overall vehicle noise, tail pipe noise is the major contributor. There is a need of efficient tail pipe noise measurement process for tuning the exhaust system. Modified methodology was proposed as conventional methodologies have limitations considering Indian scenario. In modified methodology tail pipe noise is measured during pass by noise test. This paper describes the comparative study of both methodologies with measurement results. Advantages and disadvantages of both measurement methodologies are also discussed.


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