Control of F/A-18 vertical tail buffet by vortical blowing

2002 ◽  
Author(s):  
E. Sheta ◽  
L. Huttsell
Keyword(s):  
Tail Buffet

VORTEX CONTROL FOR TAIL BUFFET ALLEVIATION ON A TWIN-TAIL FIGHTER CONFIGURATION

1989 ◽  
Author(s):  
Dhanvada M. Rao ◽  
C. K. Puram ◽  
Gautam H. Shah
Keyword(s):  
Vortex Control ◽  
Tail Buffet

scholarly journals Prediction of Vertical Tail Buffet Using CFD/CSD Coupling Method

2021 ◽  
Vol 2021 ◽  
pp. 1-9
Author(s):  
Bing Han ◽  
Min Xu
Keyword(s):  
Vortex Breakdown ◽  
Peak Frequency ◽  
Basis Functions ◽  
Resonance Phenomenon ◽  
Structural Dynamic ◽  
Flexible Tail ◽  
Bending Mode ◽  
Tail Structure ◽  
Tail Buffet ◽  
Modal Coordinates

The vertical tail buffet induced by the vortex breakdown flow is numerically investigated. The unsteady flow is calculated by solving the RANS equations. The structural dynamic equations are decoupled in the modal coordinates. The radial basis functions (RBFs) are employed to generate the deformation mesh. The buffet response of the flexible tail is predicted by coupling the three sets of equations. The results show that the presence of asymmetry flow on the inner and outer surface of the tail forced the structural deflection offsetting the outboard. The frequency of the 2nd bending mode of the tail structure meets the peak frequency of the pressure fluctuation upon the tail surface, and the resonance phenomenon was observed. Therefore, the 2nd bending responses govern the flow field surrounding the vertical tail. Finally, the displacement of the vertical tail is small, while the acceleration with a large quantitation forces the vertical tail undergoing severe addition inertial loads.

Resolution of Tail Buffet Phenomena for AH-64D™ Longbow Apache™

1999 ◽  
Vol 44 (1) ◽  
pp. 16-25 ◽  
Author(s):  
Ahmed A. Hassan ◽  
Thomas Thompson ◽  
Earl P. N. Duque ◽  
John Melton
Keyword(s):  
Tail Buffet

Computation of F/A-18 tail buffet

1996 ◽  
Vol 33 (6) ◽  
pp. 1181-1189 ◽  
Author(s):  
Ken Gee ◽  
Scott M. Murman ◽  
Lewis B. Schiff
Keyword(s):  
Tail Buffet

scholarly journals High Resolution Turbulence Treatment of F/A-18 Tail Buffet

2007 ◽  
Vol 44 (6) ◽  
pp. 1769-1775 ◽  
Author(s):  
Scott A. Morton ◽  
Russell M. Cummings ◽  
Denis B. Kholodar
Keyword(s):  
High Resolution ◽  
Tail Buffet

Wind-tunnel studies of F/A-18 tail buffet

1992 ◽  
Vol 29 (1) ◽  
pp. 146-152 ◽  
Author(s):  
B. H. K. Lee ◽  
D. Brown
Keyword(s):  
Wind Tunnel ◽  
Tail Buffet
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