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Quantifying How the Environment Effects SAE-J192 Pass-by Noise Testing of Snowmobiles
Technical Paper
2005-01-2414
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
A study was performed to understand how the environment affects the results of J-192 pass-by noise testing of snowmobiles. This study involved measuring the sound pressure at 7 different microphone positions due to both speaker excitation and various snowmobiles passing through the microphone array. Simultaneous to the sound measurements, weather conditions were recorded including wind speed and direction, temperature, humidity, snow depth, and in some cases ground hardness. All measured data was then used to determine which environmental factors influenced the measured sound pressures the most. Finally, a sound power approach was also used to measure the snowmobile pass-by noise to determine whether this method was more repeatable than the single microphone approach which showed variations of over 7 dBA over the course of testing.
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Authors
Citation
Blough, J., Gwaltney, G., and Vizanko, J., "Quantifying How the Environment Effects SAE-J192 Pass-by Noise Testing of Snowmobiles," SAE Technical Paper 2005-01-2414, 2005, https://doi.org/10.4271/2005-01-2414.Also In
References
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- Lord, H. Gatley, W. Evensen, H. Noise Control for Engineers Kreiger Publishing Company Malabar, FL. 1987
- Lamancusa, J. “Noise Control: Outdoor Sound Propagation.” Penn State 2000