An estimate of airframe noise caused by structural vibration

Airframe noise due to structural vibration is estimated. This estimate shows that panel vibration driven by turbulent boundary layer fluctuations can produce airframe noise levels comparable to those measured on aerodynamically "clean" airframe configurations. Although direct radiation from boundary layers is generally agreed to be insignificant, the boundary layer surface pressures can drive the panels to excitation levels that produce significant airframe noise. © 2000 by L. Franzoni and D. Bliss. Published by the American Institute of Aeronautics and Astronautics, Inc.