AVS 22-102

Advanced Vehicle Systems Pdf Download PDF Report

Exterior Noise Test

Accelerating from Standstill

Date : 2001-06-12
Personnel : S.C., M.H., and B.S.
Temperature (°F) : 78 Humidity (%) : 60
Wind Speed (mph) : 5 Wind Direction : S
Barometric Pressure (in.Hg) : 29.88
Verify that microphone height is 4 feet, wind speed is less than 12 mpg and ambient temperature is between 30 F and 90 F: true checked by S.C.
Initial Sound Level Meter Calibration: true checked by S.C.
Exterior Ambient Noise Level dB(A): 45.5

Accelerating from Constant Speed
Curb (Right) Side
Accelerating from Constant Speed
Street (Left) Side
Run # Measured Noise Level dB(A) Run # Measured Noise Level dB(A)
1 75.5 1 73.7
2 74.8 2 73.3
3 73.2 3 74.3
4 75.7 4 72.6
5 74.3 5 72.9
Average of two highest actual noise levels = 75.6 dB(A) Average of two highest actual noise levels = 74.0 dB(A)