Research on Aerodynamic Characteristics of Terminal Sensitive Projectile with S-C Shaped Elastic Wings

doi:10.3969/j.issn.1000-1093.2016.05.003

Abstract

Abstract: Two-way fluid-structure interaction method is used to study the aeroelasticity of non-parachute terminal sensitive projectile (TSP). The wing deflection law and aerodynamic characteristics of TSP system are studied, and the effect of angle of attack on the aerodynamic parameters and wings’ deflection is analyzed as well. The results show that the drag coefficient and torque coefficient increase first and then decrease with the increase in the angle of attack, and the lift coefficient monotonically increases with the increase in the angle of attack. The free flight tests show that the simulation results of TSP with elastic wings are closer to the experimental results than the simulation results of TSP with rigid wings.

Key words: ordnance science and technology, non-parachute terminal sensitive projectile, aeroelasticity, aerodynamic characteristics, free flight test

CLC Number:

TJ414.⁺5

LYU Sheng-tao, LIU Rong-zhong, GUO Rui, MA Xiao-dong. Research on Aerodynamic Characteristics of Terminal Sensitive Projectile with S-C Shaped Elastic Wings[J]. Acta Armamentarii, 2016, 37(5): 785-790.

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