Gas Turbine Coaxial Exhaust Flow Noise Prediction(STABILIZED Aug 2012)

Standard:
Stabilized:
  • 2012-08-16
 
  • CURRENT
Publisher:
  • SAE International
Pages:
70
Scope:

SAE ARP 876C provides a method for predicting major elements of the exhaust noise of a jet. It is incomplete in that no recommended method for shock-free coaxial flows is included. As discussed in the Addendum (Appendix C) to ARP 876C, the lack of a recommended method reflects the difficulties incurred in attempting to correlate satisfactorily data that have become available since the mid 1970s. During that period, three proposed methods were reviewed by the Gas Turbine Propulsion Subcommittee of the SAE A-21 Aircraft Noise Committee, none of which received the necessary level of support to allow publication in ARP 876C. Accordingly this AIR is issued to make available to those wishing to predict turbofan exhaust noise the main candidate procedures thus far considered by the Subcommittee.

Rationale:

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

History:
Standard Published Revision Status
AIR1905A 2012-08-16 Latest Stabilized
1995-09-19 Historical Revised
AKA:
  • SAE AIR 1905
Sector:
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