Analysis of the Impact of Shock Waves on the Safe Exit of the Rocket-assisted Vehicle Nose Cap during the Thermal Emission Process of a Concentric Canister Launcher

LIU Gangqi; YUAN Xin; GAO Shan; CUI Canli; HUANG Yuxuan

doi:10.11993/j.issn.2096-3920.2024-0156

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LIU Gangqi, YUAN Xin, GAO Shan, CUI Canli, HUANG Yuxuan. Analysis of the Impact of Shock Waves on the Safe Exit of the Rocket-assisted Vehicle Nose Cap during the Thermal Emission Process of a Concentric Canister Launcher[J]. Journal of Unmanned Undersea Systems. doi: 10.11993/j.issn.2096-3920.2024-0156

Citation:

LIU Gangqi, YUAN Xin, GAO Shan, CUI Canli, HUANG Yuxuan. Analysis of the Impact of Shock Waves on the Safe Exit of the Rocket-assisted Vehicle Nose Cap during the Thermal Emission Process of a Concentric Canister Launcher[J]. Journal of Unmanned Undersea Systems. doi: 10.11993/j.issn.2096-3920.2024-0156

Citation:

LIU Gangqi, YUAN Xin, GAO Shan, CUI Canli, HUANG Yuxuan. Analysis of the Impact of Shock Waves on the Safe Exit of the Rocket-assisted Vehicle Nose Cap during the Thermal Emission Process of a Concentric Canister Launcher[J]. Journal of Unmanned Undersea Systems. doi: 10.11993/j.issn.2096-3920.2024-0156

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Analysis of the Impact of Shock Waves on the Safe Exit of the Rocket-assisted Vehicle Nose Cap during the Thermal Emission Process of a Concentric Canister Launcher

doi: 10.11993/j.issn.2096-3920.2024-0156

1.
The 705 Research Institute, China State Shipbuilding Corporation limited, Xi’an 710077, China
2.
Beijing Institute of Specialized Machinery, Beijing 100143, China

Received Date: 2024-11-12
Accepted Date: 2025-01-15
Rev Recd Date: 2024-12-30

Available Online: 2025-05-28

Abstract

Abstract

In response to the impact of shock waves on the safety of the rocket-assisted vehicle nose cap during the concentric tube thermal launch process, computational fluid dynamics (CFD) software was used to numerically simulate the ignition and launch process. The propagation process of shock waves and gas generated by solid rocket motors in the concentric tube was analyzed in detail, and the force variation curve of the nose cap under the action of shock waves was obtained, revealing the force mechanism of the nose cap inside the tube under the action of shock waves. The test data of the shock wave opening process during the field test of a certain product further illustrates the force variation process of the nose cap in the shock wave environment. The research results contribute to a clear understanding of the mechanism of force changes on the nose cap under the shock wave during the thermal emission process of concentric cylinders, and can be used to guide the safety design of the nose cap exiting the cylinder.
- jet flow,
- thermal emission,
- concentric canister launcher,
- rocket-assisted vehicle,
- nose cap

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References(22)

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