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Road Noise Modelling Using Statistical Energy Analysis Method
ISSN: 0148-7191, e-ISSN: 2688-3627
Published May 01, 1995 by SAE International in United States
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A mathematical model was developed to evaluate design options for control of road noise transmission into the interior of a passenger car. Both air-borne and structure-borne road noise over the frequency range of 200-5000 Hz was able to be considered using the Statistical Energy Analysis (SEA) method. Acoustic and vibration measurements conducted on a laboratory rolling road were used to represent the tire noise “source” functions. The SEA model was correlated to in car sound pressure level measurements to within 2-4 db accuracy, and showed that airborne noise dominated structure-borne noise sources above 400 Hz. The effectiveness of different noise control treatments was simulated and in some cases evaluated with tests.
CitationDong, B., Green, M., Voutyras, M., Bremner, P. et al., "Road Noise Modelling Using Statistical Energy Analysis Method," SAE Technical Paper 951327, 1995, https://doi.org/10.4271/951327.
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