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Development of the Simulator for Estimating Intake Noise of Vehicle and Its Improvement (Part I)
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 Title & Authors
Development of the Simulator for Estimating Intake Noise of Vehicle and Its Improvement (Part I)
Oh, Jae-eung; Han, kwang-Hee; Hong, Jeong-Hyuk;
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 Abstract
The intake noise, a major source of vehicle noises, has rapidly become a noticeable, and has been studied to reduce the level. Traditionally, the intake system has been developed through the road test and the experiment using a engine dynamo, namely, the trial and error process. This approach require very high cost and long time consuming to develop the system. In this study, the simulator which had a speaker in the cylinder head was presented. It was easy to analyze the acoustic characteristic of the intake system in laboratory environment. This study presented a improvement to reduce the level of the intake noise using the Transfer Matrix Method and NIT/SYSNOISE, FE analysis commercial software. It was to select optimum position of a resonator and verified by the simulator. This simulator can be used early in the design stage of development of the intake system.
 Keywords
Intake Noise;Transmission Loss;Transfer Matrix Method;Acoustic Finite Element Analysis;NIT/SYSNOISE;Resonator;
 Language
Korean
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