Based on Transfer Loss Robust Design of Vehicle Intake System

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Journal of Vibration and Shock ›› 2011, Vol. 30 ›› Issue (7) : 233-236.

论文

Based on Transfer Loss Robust Design of Vehicle Intake System

YUE Gui-ping; ZHANG Yi-min

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Abstract

The acoustic robust design of intake system is precondition to ensure vehicle inner acoustics index robustness. Firstly, based on acoustic theory, acoustic uncoupling of acoustic parts of intake system was completed; secondly, with groundwork of acoustic robust optimization of single acoustic part of intake system, based on transfer loss unitary parameters of whole intake system was educed; finally, associated with importance index of acoustic parts of intake system, based on transfer loss acoustic robust optimization of whole intake system was carried through. Through acoustic robust design of intake system, the information of integrative robust design of acoustic parts of intake system was rapidly and accurately obtained. Thus, based on transfer loss acoustic robust design can provide quantificational basis for the structure design of vehicle’s engine intake system, which is of great practical engineering significance.