TY - GEN
T1 - Longitudinal aerodynamic characteristics analysis of a joined wing unmanned aerial vehicle in high Reynolds number
AU - Yuhong, Cai
AU - Guanxin, Hong
AU - Gang, Liu
N1 - Publisher Copyright:
© 2017 IEEE.
PY - 2017/9/14
Y1 - 2017/9/14
N2 - The purpose of this article is to study the longitudinal aerodynamic characteristics of a new High Altitude Long Endurance (HALE) Joined Wing Unmanned Aerial Vehicle (JWUAV) - the Alert Hawk Joined Wing UAV. The geometric aerodynamic shape has been designed according to mission requirements. Computational Fluid Dynamics (CFD) method was employed to obtain the lift and drag coefficients of the Alert Hawk JWUAV in three conditions: 1). Re=6.7million, Ma=0.45; 2). Re=9.6million, Ma=0.65; 3). Re=11.8 million, Ma=0.8, and the angle of attack ranging from -2° to 14°. Compared with Flying Wing layout, the results indicated that the Alert Hawk JWUAV has similar lift-drag characteristics in middle and low Mach number, but the pitch moment characteristics have a significantly difference. Meanwhile, the stability margin has no significant change with Mach number increasing in small angle of attack.
AB - The purpose of this article is to study the longitudinal aerodynamic characteristics of a new High Altitude Long Endurance (HALE) Joined Wing Unmanned Aerial Vehicle (JWUAV) - the Alert Hawk Joined Wing UAV. The geometric aerodynamic shape has been designed according to mission requirements. Computational Fluid Dynamics (CFD) method was employed to obtain the lift and drag coefficients of the Alert Hawk JWUAV in three conditions: 1). Re=6.7million, Ma=0.45; 2). Re=9.6million, Ma=0.65; 3). Re=11.8 million, Ma=0.8, and the angle of attack ranging from -2° to 14°. Compared with Flying Wing layout, the results indicated that the Alert Hawk JWUAV has similar lift-drag characteristics in middle and low Mach number, but the pitch moment characteristics have a significantly difference. Meanwhile, the stability margin has no significant change with Mach number increasing in small angle of attack.
KW - CFD
KW - UAV
KW - joined wing
KW - longitudinal aerodynamics
KW - stability margin
UR - https://www.scopus.com/pages/publications/85032379596
U2 - 10.1109/ICMAE.2017.8038694
DO - 10.1109/ICMAE.2017.8038694
M3 - 会议稿件
AN - SCOPUS:85032379596
T3 - 2017 8th International Conference on Mechanical and Aerospace Engineering, ICMAE 2017
SP - 489
EP - 493
BT - 2017 8th International Conference on Mechanical and Aerospace Engineering, ICMAE 2017
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 8th International Conference on Mechanical and Aerospace Engineering, ICMAE 2017
Y2 - 22 July 2017 through 25 July 2017
ER -