Experimental Body Panel Contribution Analysis for Road Induced Interior Noise of a Passenger Car

Hendricx, Wim; Choi, Yeongil; Ha, S. W.; Lee, H. K.

doi:10.4271/971913

Cited by 7 publications

(2 citation statements)

References 2 publications

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“…And there are some components that vibrate a lot during the operation. The panel contribution analysis [7,8] will derive the information that verifies the relation of those results from the previous analysis. Figure 13 shows the procedure used in the hybrid approach for the panel contribution analysis.…”

Section: Experimental Structural Modal Analysis -mentioning

confidence: 75%

Booming Noise Analysis in a Passenger Car Using a Hybrid-Integrated Approach

Lee

Hwang

Kim³

2000

SAE Technical Paper Series

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Section: Experimental Structural Modal Analysis -mentioning

confidence: 75%

Booming Noise Analysis in a Passenger Car Using a Hybrid-Integrated Approach

Lee

Hwang

Kim³

2000

SAE Technical Paper Series

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“…The body panels of vehicle are divided into a number of little cross-sections, when it vibrates, each cross section can be used as a point source at a certain frequency range. So the sound pressure of a target point which caused by the entire panels vibration can be calculated [3,4] : There are two factors influence the value of acoustic contribution of body panels. One is the acoustic transfer function, which represents the sound pressure response of a car objective point excited by unit volume velocity.…”

Section: Basic Principle Of Acoustic Contribution Of Body Panelsmentioning

confidence: 99%

Study on Test Method of Interior Noise Caused by Body Panels

Zhou

2013

AMM

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This paper introduced four common test methods of acoustic contribution of body panels. The methods using PU sensor to array measure vibration velocity of body panels. Then, the vibration velocity of body panel multiplied by the area of panel to get the value of sound source intensity. Use reciprocity method to measure acoustic transfer function. In the experiment, the vector sum of the product of sound-source intensity and acoustic transfer function is used to compose the sound pressure contribution of the panels. The experiment proves that the composite value of acoustic pressure spectrum of drivers right ear coincide with the measured value. Therefore, this method is proved to be valid.

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Study of Noise and Vibration Problems Related to Heavy Duty Diesel Engines

Lakshminarayanan¹

2019

Energy, Environment, and Sustainability

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Experimental Body Panel Contribution Analysis for Road Induced Interior Noise of a Passenger Car

Cited by 7 publications

References 2 publications

Booming Noise Analysis in a Passenger Car Using a Hybrid-Integrated Approach

Booming Noise Analysis in a Passenger Car Using a Hybrid-Integrated Approach

Study on Test Method of Interior Noise Caused by Body Panels

Study of Noise and Vibration Problems Related to Heavy Duty Diesel Engines

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