Abstract
Air induction sound level and quality is a key contributor to in‐vehicle powertrain NVH performance. This paper describes the process of tuning the air induction systems (AISs) at Chrysler LLC. Simple sound quality metrics are developed to quantify the AIS sound quality. Data acquisition and processing is standardized. A new methodology is presented, how to tune the AIS to meet the desired sound quality, and to optimize the cost, weight, and packaging space. Practical examples are presented to demonstrate how the specific targets are being achieved.
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