The influence of Correction Fuze’s Structure Parameters on the Stability of Spin-stabilized Projectile

doi:10.3969/j.issn.1000-1093.2018.10.005

Abstract

Abstract: The stability criteria related to the structure parameters of correction fuze are derived based on the simplified model and engineering methods for the aerodynamic characteristics of wing-body combinations, Murphy’s complex variable method and the Hurwitz stability theory. The influence of structure parameters of correction fuze on the stability of spin-stabilized projectile is analyzed for the design and optimization of correction fuze. The stability analysis demonstrates that the forward movement of mass point of the combinations through the balance weight or the structure optimization of correction fuze is in favor of stability when the boundary dimensions of correction fuze (except for the canards) are the same; the increase in the deflection angles of canards is better than the extension of wingspan in order to increase the correction force while reducing the effect on stability. The simulations and experiments verify that the flight stability of projectile can be enhanced by moving the mass point of the combinations forward. Key

Key words: spin-stabilizedprojectile, multiplatformapplicability, designandoptimizationofstructureparametersofcorrectionfuze, stabilityanalysis, outlineandmassdistribution

CLC Number:

TJ012.3⁺3

WANG Yu， YU Ji-yan， WANG Xiao-ming， FENG Bin. The influence of Correction Fuze’s Structure Parameters on the Stability of Spin-stabilized Projectile[J]. Acta Armamentarii, 2018, 39(10): 1910-1918.

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第39卷
第10期2018 年10月兵工学报ACTA
ARMAMENTARIIVol.39No.10Oct.2018

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