Browse Publications Technical Papers 1999-01-1228

A Statistical Investigation of High Frequency Radiated Noise from a Composite Nylon Intake Manifold 1999-01-1228

This paper describes a Design of Experiments (DOE) approach to analyze the significant factors contributing to a high frequency hiss noise emitted by a composite intake manifold. The methodologies used to identify relevant contributing factors are discussed. The approach developed using both subjective and objective response metrics are outlined. The significant factors and their optimal levels are identified through DOE and recommended for incorporation into future design. Moreover, the hiss noise level measured with the recommended improvements on the composite nylon intake manifold is shown to be competitive compared to that of the same type of engine with aluminum intake manifold.


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