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Machine learning optimization strategy of shaped charge liner structure based on jet penetration efficiency
《Defence Technology（防务技术）》2024年第9期23-41,共19页Ziqi Zhao Tong Li Donglin Sheng Jian Chen Amin Yan Yan Chen Haiying Wang Xiaowei Chen Lanhong Dai 
supported by the NSFC Basic Science Center Program for"Multi-scale Problems in Nonlinear Mechanics" (Grant No.11988102);the NSFC (Grant Nos.U2141204,12172367);the Key Research Program of the Chinese Academy of Sciences (Grant No.ZDRW-CN-2021-2-3);the National Key Research and Development Program of China (Grant No.2022YFC3320504-02);the opening project of State Key Laboratory of Explosion Science and Technology (Grant No.KFJJ21-01 and No.KFJJ18-14 M)。
Shaped charge liner(SCL)has been extensively applied in oil recovery and defense industries.Achieving superior penetration capability through optimizing SCL structures presents a substantial challenge due to intricate...
关键词：Jet penetration efficiency Shaped charge liner FEM-ML XGBOOST MFO High-entropy alloy 
Selection of shaped charges parameters for producing aluminum particles with velocities in the range of 2.5-16 km/s
《Defence Technology（防务技术）》2024年第8期126-135,共10页Vladimir I.Kolpakov Sergey V.Fedorov Ekaterina P.Vinogradova Irina A.Bolotina 
Testing rocket and space technology objects in ground conditions for resistance to the impact of meteoroids and fragments of space debris can be carried out using shaped charges. To substantiate the design parameters ...
关键词：Space debris Meteoric impact Explosion Shaped charge High-velocity aluminum element Segmental liner Combined liner Numerical simulation 
Jet formation and penetration performance of a double-layer charge liner with chemically-deposited tungsten as the inner liner被引量：2
《Defence Technology（防务技术）》2024年第3期374-385,共12页Bihui Hong Wenbin Li Yiming Li Zhiwei Guo Binyou Yan 
funded by the China Postdoctoral Science Foundation(Grant No.2022M721614);the opening project of State Key Laboratory of Explosion Science and Technology,Beijing Institute of Technology(Grant No.KFJJ23-07M)。
This paper proposes a type of double-layer charge liner fabricated using chemical vapor deposition(CVD)that has tungsten as its inner liner.The feasibility of this design was evaluated through penetration tests.Double...
关键词：Shaped charge Chemical vapor deposition TUNGSTEN Double-layer charge liner X-ray PENETRATION 
Formation behaviors of rod-like reactive shaped charge penetrator and their effects on damage capability被引量：1
《Defence Technology（防务技术）》2024年第2期242-253,共12页Tao Sun Haifu Wang Shipeng Wang Chao Ge Die Hu Pengwan Chen Yuanfeng Zheng 
the National Natural Science Foundation of China(No.12172052 and No.12132003).
Formation behaviors of rod-like reactive shaped charge penetrator(RRSCP)and their effects on damage capability are investigated by experiments and numerical simulations.The pulsed X-ray technology and a spaced aluminu...
关键词：Reactive materials Al-PTFE composites Reactive liner X-ray PENETRATION 
Structural design of the fluted shaped charge liner using multi-section optimization method
《Defence Technology（防务技术）》2023年第7期249-262,共14页Shengjie Sun Jianwei Jiang Shuyou Wang Jianbing Men Mei Li 
supported by the project of National Natural Science Foundation of China (NSFC, Grant No. 12032006)。
Spin effect of the small diameter shaped charge results in the centrifugal stress during the jet stretching process. Consequently, the jet scatters, which deceases the jet penetration capability. In the present study,...
关键词：Fluted liner Spin-compensation SPH Structural optimization 
Experimental and numerical study on the influence of shaped charge liner cavity filing on jet penetration characteristics in steel targets被引量：1
《Defence Technology（防务技术）》2023年第5期60-74,共15页Paweł Zochowski Radosław Warchoł 
Penetration characteristic(size and shape of penetration craters made in high hardness ARMSTAL 30PM steel) of shaped charge jets formed after detonations of modified PG-7VM warheads was analyzed in the article. Modifi...
关键词：Shaped charge jet PG-7 grenade Armor steel target Finite element modeling Penetration process 
GO/HTPB composite liner for anti-migration of small molecules被引量：6
《Defence Technology（防务技术）》2023年第4期156-165,共10页Hao Li Jie Wei Ya-nan Zhang Yu-bing Hu Wei Jiang Teng-yue Zhang 
the financial support of the National Natural Science Foundation of China(grant number 22005145);the Natural Science Foundation of Jiangsu Province(grant number BK20180495,BK20180698);the Opening Project of Key Laboratory of Special Energy Materials(Nanjing University of Science and Technology);the Fundamental Research Funds for the Priority Academic Program Development of Jiangsu Higher Education Institutions(grant number 30919011404)。
Hydroxyl-terminated polybutadiene/toluene diisocyanate(HTPB/TDI)system is widely used in composite solid propellants.The migrations of plasticizers and water molecules from solid propellants and surrounding environmen...
关键词：Graphene oxide LINER STRUCTURE-FUNCTION Anti-migration Bonding 
Penetration and internal blast behavior of reactive liner enhanced shaped charge against concrete space被引量：8
《Defence Technology（防务技术）》2022年第6期952-962,共11页Hao Zhang Yuan-feng Zheng Qing-bo Yu Chao Ge Cheng-hai Su Hai-fu Wang 
supported by National Natural Science Foundation of china[grant number:U1730112]。
Penetration and internal blast behavior of reactive liner enhanced shaped charge against concrete space were investigated through experiments and simulations.The volume of the enclosed concrete space is about 15 m^(3)...
关键词：Shaped charge PENETRATION BLAST Concrete Numerical simulation 
Reaction characteristic of PTFE/Al/Cu/Pb composites and application in shaped charge liner被引量：5
《Defence Technology（防务技术）》2022年第9期1578-1588,共11页Huan-Guo Guo Yuan-feng Zheng Suo He Qing-Bo Yu Chao Ge Hai-fu Wang 
funded under the National Natural Science Foundation of China (No. 12002046);the study was also supported by the State Key Laboratory of Explosion Science and Technology of China。
In this paper, the reaction characteristic and its application in shaped charge warhead of a novel reactive material, which introduced copper(Cu) and plumbum(Pb) into traditional polytetrafluoroethylene/aluminum(PTFE/...
关键词：Reactive materials Shaped charge Reactive liner Jet formation Penetration behavior 
Experimental and numerical investigation of zirconium jet performance with different liner shapes design被引量：4
《Defence Technology（防务技术）》2022年第1期12-26,共15页Tamer Elshenawy Qing-ming Li Ahmed Elbeih 
This paper studies the shaped charge jet performance in terms of different liner shapes including conical,bell,hemispherical and bi-conical liners.The critical angles and the relevant flow velocities for the zir-coniu...
关键词：Shaped dharge ZIRCONIUM Liner shape PENETRATION Concrete strength 
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