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Simulation Experiment on Dynamics Performance of Fuze Ball Rotors

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
2009年01期
Page:
100-103
Research Field:
Publishing date:

Info

Title:
Simulation Experiment on Dynamics Performance of Fuze Ball Rotors
Author(s):
WEN QuanWANG Yu-shi
School of Mechanical Engineering,NUST,Nanjing 210094,China
Keywords:
fuzes ball rotors dynamics arming simulation experiments
PACS:
TJ430.3
DOI:
-
Abstract:
In order to validate whether the theory analysis for fuze ball rotor is right,an experiment to research the rotation of fuze ball rotors is designed by marking on the fuze ball rotor surface with laser marking system,and the traces of five kinds of fuze ball rotors with different dynamics parameters are measured by this method.The results of tests and theoretical analysis show that the trace of fuze ball rotors within the spherical chamber is a three-dimensional spirality.The rotation of fuze ball rotor is affected by the original procession angle,the differences among moments of inertia and the location of center of mass.Decreasing the sliding friction between ball rotor and spherical chamber can extend the traces of fuze ball rotors and reduce the dynamically balanced angles.Enlarging the mass eccentricity of ball rotors can increase the dynamically balanced angles of ball rotors.

References:

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Memo

Memo:
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Last Update: 2012-11-19