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The Effect of Temperature on Pass-By Noise
Technical Paper
2001-01-1568
ISSN: 0148-7191, e-ISSN: 2688-3627
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Abstract
Repetitive J-366 pass-by tests were run on a number of trucks to determine the effect of atmospheric conditions on the measured pass-by noise level. Of the atmospheric conditions observed (temperature, wind, humidity, air density & sunshine), only ambient temperature had a significant effect on measured pass-by noise. Measured pass-by noise level increased approximately 1 dB(A) for each 13 °C drop in temperature. Data indicates that applying a generic correction factor based on engine type is more accurate than ignoring the effect of temperature.
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Saville, R., "The Effect of Temperature on Pass-By Noise," SAE Technical Paper 2001-01-1568, 2001, https://doi.org/10.4271/2001-01-1568.Data Sets - Support Documents
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Also In
SAE 2001 Transactions Journal of Passenger Cars - Mechanical Systems
Number: V110-6; Published: 2002-09-15
Number: V110-6; Published: 2002-09-15
References
- Hemdal John F. Baker Robert N. Saha Pranab “Effects of environmental variables on truck noise emission and noise propagation to test microphones,” J.Acoust. Soc. Am. 76 4 October 1984 1150 1160
- Hillquist Ralph K. Bettis Richard A. “Measurement of Automotive Passby Noise,” SAE Paper 720275 1972
- ASHRAE Handbook and Product Directory 1977