AVS 22

ADVANCED VEHICLE SYSTEMS INC. Pdf Download PDF Report

Exterior Noise Test

Accelerating from Standstill

Date : 1999-06-14
Personnel : B.L. and R.H.
Temperature (°F) : 73 Humidity (%) : 61
Wind Speed (mph) : 9 Wind Direction : s
Barometric Pressure (in.Hg) : 29.95
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 B.L.
Initial Sound Level Meter Calibration: true checked by B.L.
Exterior Ambient Noise Level dB(A): 40.9

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 56.5 1 55.6
2 56.7 2 55.3
3 56.7 3 55.7
4 55.5 4 55.3
5 55.5 5 55.7
Average of two highest actual noise levels = 56.7 dB(A) Average of two highest actual noise levels = 55.7 dB(A)