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Journal of Projectiles, Rockets, Missiles and Guidance >

2023 , Vol. 43 >Issue 3: 99 - 105

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2023.03.015

Study on Structure Design of an Safety Detonating Fuze for Underwater Depth Bomb

  • FANG Shi 1 ,
  • ZHANG Shilin 2 ,
  • XU Zhizhang 3
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  • 1 Military Representative Office of PLA Navy in Yichang, Yichang 443003, Hubei, China
  • 2 No.710 Research Institute of China State Shipbuilding Corporation, Yichang 443003, Hubei, China
  • 3 Wuhan Guide Infrared Co., Ltd., Wuhan 430073, Hubei, China

Received date: 2022-11-07

  Online published: 2025-02-07

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Abstract

Aiming at the problem that the assembled fuze in active duty can not meet the test requirements during the underwater explosion damage test of a depth bomb, an safe fuze for detonation experiment is designed based on the original assembled fuze. The structure is composed of sealing arming device, limit water pressure arming device and auxiliary arming device etc. By using the nonlinear finite element software AUTODYN for numerical simulation analysis and underwater arming test verification, the process of the electric detonator exploding through the water inlet of the sealing structure in the sealing arming device is used to simulate and test, the results of experiment and numerical simulation are basically consistent. The fuze has been verified by drop, transportation and underwater explosion tests, it shows that the improved fuze can meet the requirements of fuze safety for handing of fuze, it can better solve the problems of safe operation and reliable operation in the underwater explosion test of deep-water mine bomb, and it has certain engineering application value and can be applied to other similar underwater explosion tests.

Key words： fuze; arming device; numerical simulation; experimental research

Cite this article

FANG Shi , ZHANG Shilin , XU Zhizhang . Study on Structure Design of an Safety Detonating Fuze for Underwater Depth Bomb[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2023 , 43(3) : 99 -105 . DOI: 10.15892/j.cnki.djzdxb.2023.03.015

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