开裂式方向舵在变前掠翼布局中的操纵性能研究

doi:10.7527/S1000-6893.2013.0133

Abstract

Abstract:

For the lateral and directional control of variable forward swept wing (VFSW) tailless configuration, a split rudder (SR) is designed in this paper. The disperse method of Navier-Stokes control equations with finite volume and shear stress transport (SST) turbulence model are employed to calculate the SR control characteristics of the orthogonal wing and forward swept wing in VFSW the control efficiency of SR is compared, and the flow field of SR is numerically analyzed. The computational results show that the case when the right SR actuates the angle of attack in the orthogonal wing has less effect on the yawing moment, while the rotary angle of SR has a remarkable impact on the yawing moment, which is propitious to yaw. In the forward swept wing configuration, the yawing moment tends to fluctuate with the increase of the angle of attack, but it appears steady in small angles of attack. The yawing function strengthens with the increase of the rotary angle. The right sideslip is stronger than left sideslip, but the opposite is true in yawing function. Comparatively, in the aspect of yawing, the orthogonal wing is better than the forward swept wing. The rolling and yawing are all coupled in both the orthogonal wing and forward swept wing configurations, but the coupling effect of the orthogonal wing is less than the forward swept wing.

Key words: variable forward swept wing, split rudder, numerical simulation, control characteristic, flow field

CLC Number:

V212.12⁺8

WANG Xu, YU Chong, SU Xinbing, CHEN Peng. Study of Control Characteristics for Split Rudder in Variable Forward Swept Wing Configuration[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, doi: 10.7527/S1000-6893.2013.0133.

References

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Study of Control Characteristics for Split Rudder in Variable Forward Swept Wing Configuration

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