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Monday, July 8 • 16:10 - 16:30
NOISE SOURCE IDENTIFICATION METHODOLOGY FOR PNEUMATIC COMPRESSOR ASSEMBLY NOISE IN COMMERCIAL VEHICLE BY EXPERIMENTAL TECHNIQUES

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With advancement of technology, methods to restrict concerns at source in automobiles at early stage has become standard. With certain knowledge base industry has been saturated with standard processes to be followed to achieve the required targets. The field of noise and vibration is dynamic and depends on perception of customer. Noise source annoying to one customer might not be same to other. Once we suppress predominant noise in the vehicle secondary noise source can be perceived and becomes irritant. Even with low level of these intermittent noises, annoyance level of customer can change and create bad perception about product. Noise source identification is crucial to implement the solution to achieve the set reduction. It is required to logically collect all the relatable data and use the correct processing techniques to distinguish major source. In commercial vehicle due to variation and multiple source it take big size of data to find the source. In this study, test based measurements for noise and vibration has been performed to find the contributing source of brake pneumatic compressor assembly noise of commercial vehicle run by engine with gear train system. Angle domain processing technique has been widely used to find the exact cause.


Monday July 8, 2019 16:10 - 16:30 EDT
Outremont 6
  T15 Road & rlway noise & vibr., SS02 Vehicle noise vibr & harshn