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Volume 39 Issue 1
Jan 2024
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Chinese Journal of High Pressure Physics  > 2025  >  39(1): 010101.
NING Jianguo, WANG Qi, LI Jianqiao. Research on the Deployment Process of Explosive-Driven Structures under the Condition of Projectile-Target Rendezvous[J]. Chinese Journal of High Pressure Physics, 2025, 39(1): 010101. doi: 10.11858/gywlxb.20240808
Citation: NING Jianguo, WANG Qi, LI Jianqiao. Research on the Deployment Process of Explosive-Driven Structures under the Condition of Projectile-Target Rendezvous[J]. Chinese Journal of High Pressure Physics, 2025, 39(1): 010101. doi: 10.11858/gywlxb.20240808
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Research on the Deployment Process of Explosive-Driven Structures under the Condition of Projectile-Target Rendezvous

doi: 10.11858/gywlxb.20240808

  • State Key Laboratory of Explosion Science and Safety Protection, Beijing Institute of Technology, Beijing 100081, China

  • Received Date: 07 May 2024
  • Rev Recd Date: 01 Jun 2024
    • Available Online: 19 Sep 2024
  • Issue Publish Date: 05 Jan 2024
    Abstract
  • The deployment of complex structures under explosive driving is a key issue in the directional process of deployable directional warheads. Effectively controlling the deployment process is beneficial for controlling the detonation delay and improving the utilization rate of fragments. For the deployment problem of complex structures, based on the JWL equation of state and the second-order Lagrange equation, an explosive driving deployment model considering the expansion process of detonation products and the target hit state is derived from energy conservation. The calculation results of the driving deployment model are compared with the experiment results in the literature, and the accuracy of the calculation results of the explosive driving deployment model is verified. The results show that the theoretical results of the model are in good agreement with the experiment results, and can accurately predict the deployment time of structures under different charge amounts. By controlling the mass ratio of auxiliary charge 1 to auxiliary charge 2 at 1.5−1.7, the structure can be deployed to achieve optimal hit posture, which is more conducive to hitting the target. The research results can enrich the design theory of directional warheads and provide a reference for the design of deployable directional warheads.

     

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