Electromagnetic Shielding of Overload Experiment Device for Fuze Based on Electromagnetic Driving Technology

doi:10.3969/j.issn.1000-1093.2016.05.019

Abstract

Abstract: The electromagnetic driving technology can be used to simulate the high overload environment in the process of fuze launching, but it may stimulate magnetic field, which has negative effects on the test fuze. Thus, it is necessary to take the electromagnetic shielding measures for test fuze. The structure and working principle of the overload experiment device for fuze based on electromagnetic driving is introduced, and then the electromagnetic shielding cover for test fuze is designed. A simulation model is established for fuze overload experiment device based on electromagnetic driving, and then the intensity of magnetic field in fuze is analyzed at three occasions: without shielding cover, shielding cover made by aluminum, shielding cover made by aluminum and steel. The results show that the maximum magnetic field in fuze is 1.54 T, 0.17 T and 4.2×10^-5 T at the occasions mentioned above, respectively, which means that the shielding cover made by aluminum and steel has better shielding performance.

Key words: ordnance science and technology, fuze, electromagnetic driving, overload, electromagnetic shielding, pulsed magnetic field

CLC Number:

TM303

WANG Wen-Hao， BI Shi-hua， XIANG Hong-jun. Electromagnetic Shielding of Overload Experiment Device for Fuze Based on Electromagnetic Driving Technology[J]. Acta Armamentarii, 2016, 37(5): 909-915.

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