Road Noise Modelling Using Statistical Energy Analysis Method
951327
05/01/1995
- Event
- Content
- 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.
- Pages
- 6
- Citation
- Dong, 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.