Prediction Method for Lateral Attenuation of Airplane Noise During Takeoff and Landing(STABILIZED Aug 2012)

Standard:
Stabilized:
  • 2012-08-16
 
  • CURRENT
Publisher:
  • SAE International
Pages:
24
Scope:

The SAE A-21 Committee on Aircraft Noise undertook in 1979 the development of a uniform and consistent method for the prediction of lateral attenuation. The project was divided into two phases: (1) A short-term phase in which correlations of flight data were made using frequency-weighted and time-integrated measures of the noise, such as Effective Perceived Noise Level (EPNL) and Sound Exposure Level (SEL), see Appendix A; and (2) A long-term phase in which the effects of various sound-propagation phenomena would include ground reflection effects, refraction effects, and airplane shielding effects, as well as other ground and engine/airplane installation effects. This Aerospace Information Report is directed to the short-term phase in order to produce an interim prediction method as soon as possible.

Rationale:

This document has been determined to contain basic and stable technology which is not dynamic in nature.

History:
Standard Published Revision Status
AIR1751A 2012-08-16 Latest Stabilized
1991-02-01 Historical Reaffirmed
AKA:
  • SAE AIR 1751
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