|Table of Contents|

Design of flyer ferroelectric ceramics explosive to electrical transducer and its discharge characteristics

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

Issue:
2013年03期
Page:
79-
Research Field:
Publishing date:

Info

Title:
Design of flyer ferroelectric ceramics explosive to electrical transducer and its discharge characteristics
Author(s):
Gu LinZhang HeZhang Xiaojing
ZNDY of Ministerial Key Laboratory,NUST,Nanjing 210094,China
Keywords:
flyer ferroelectric ceramics explosive to electrical transducer discharge characteristics explosive driving depolarization
PACS:
TM85; O512.3
DOI:
-
Abstract:
To study the feasibility of ferroelectric ceramics explosive to electrical transducer used as the seed power of fuse,the mechanical structure of ferroelectric ceramics explosive to electrical transducer with explosive-driven flyer and impacting is designed in cannon shooting environment.According to the one-dimensional explosive-driven theory and impact numerical algorithm,the velocity,stress and impact load of the explosive-driven flyer are numerically calculated and simulated,the impact process between the flyer and ferroelectric ceramics is analyzed.The electric energy of ferroelectric ceramics depolarization is stored up by high voltage energy storage capacitor,and the transient discharge is done on the spiral of flux compressing producer.The experimental results show that the depolarization discharging rate of the ferroelectric ceramics explosive to electrical transducer is about 85% of the theoretical value.The peak current of 50 A can be formed on the spiral with the electrical parameters of 0.2 Ω and 18 μH by the storage energy of the impulse electric capacity,among which the pulse width of more than 40 A current reaches 20 μs meeting the initiation timing requirement of the pulsed seed power of the fuse.

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Last Update: 2013-03-25