云南高校图书馆联盟文献共享服务平台- RAILGUN

RAILGUN: 作品数：18被引量：76H指数：6; 导出分析报告; 相关领域：兵器科学与技术更多>>; 相关作者：刘秀成更多>>; 相关机构：清华大学更多>>; 相关期刊：《Journal of Beijing Institute of Technology》《Chinese Physics B》《Defence Technology（防务技术）》《Progress in Natural Science:Materials International》更多>>; 相关基金：国家重点基础研究发展计划国家高技术研究发展计划更多>>

Analysis of sliding electric contact characteristics in augmented railgun based on the combination of contact resistance and sliding friction coefficient被引量：5: 《Defence Technology（防务技术）》2020年第4期747-752,共6页Chun-yan Zhu Bao-ming Li; The contact resistance between the armature and rails is an important indicator of the contact characteristics in electromagnetic launches.As the contact resistance depends not only on the contact state but also on th...; 关键词：Augmented railgun Contact resistance Friction coefficient Contact characteristics

Modeling and simulation of muzzle flow field of railgun with metal vapor and arc被引量：7: 《Defence Technology（防务技术）》2020年第4期802-810,共9页Yuan Gao Yan-jie Ni Zhao-xin Wang Ying-tao Xu Yong Jin Bao-ming Li; During the electromagnetic railgun launching process,there will be a complex flow field with high temperature in the muzzle area because of the high-speed friction,transition and seco ndary arc-ignition.This paper mod...; 关键词：RAILGUN Flow field MUZZLE PLASMA SIMULATION Al vapor

Analysis for the residual prestress of composite barrel for railgun with tension winding被引量：2: 《Defence Technology（防务技术）》2020年第4期893-899,共7页Dong-mei Yin Bao-ming Li Hong-cheng Xiao; Based on the elastic theory of cylindrical shells and the theory of composite laminates,a prediction model for the residual prestress of the simplified round composite barrel for railgun is established.Only the fibre ...; 关键词：RAILGUN BARREL Composite materials Filament winding Winding tension Residual prestress

Numerical simulation of dynamic large deformation and fracture damage for solid armature in electromagnetic railgun被引量：11: 《Defence Technology（防务技术）》2020年第2期348-353,共6页Qing-hua Lin Bao-ming Li; The design of solid armature of railgun should take full account of its operating conditions and material properties because the armature is subjected to dynamic loading conditions and experiences a complicated electr...; 关键词：ELECTROMAGNETIC RAILGUN Solid ARMATURE FRACTURE EXPLICIT FINITE element Numerical simulation

Research on momentum transfer in simple railgun: 《Defence Technology（防务技术）》2019年第5期735-740,共6页Yingtao Xu Bo Tang Baoming Li; In this paper,the momentum conservation equation in the longitudinal direction for simple railgun was deduced.Then,a three-dimensional model was established and the finite element method was utilized to simulate the p...; 关键词：RAILGUN MOMENTUM CONSERVATION RECOIL Surface FORCE

Electrodynamic response study on railgun launcher based on electromechanical coupling model被引量：2: 《Defence Technology（防务技术）》2019年第4期655-665,共11页Hong-cheng Xiao Dong-mei Yin Bao-ming Li; The electrodynamic behavior of a medium caliber railgun launcher has been studied based on an electromechanical coupling model,which uses a unified modeling method for both electromagnetic and electromechanical field....; 关键词：RAILGUN LAUNCHER SLIDING contact Dynamic properties ELASTIC response

Analysis of in-bore magnetic field in C-shaped armature railguns被引量：4: 《Defence Technology（防务技术）》2019年第1期83-88,共6页Qiang Yin He Zhang Hao-jie Li Yu-xin Yang; supported by the Key Basic Research Projects of Basic Strengthening Plan under Grants 2017-JCJQ-ZD-004; In order to analysis the distribution characteristics of in-bore magnetic field for C-shaped armature electromagnetic railgun, a computational model considering dynamic contact pressure is established. By solving the ...; 关键词：RAILGUN C-shaped ARMATURE Magnetic flux density

Analysis and discussion on launching mechanism and tactical electromagnetic railgun technology被引量：13: 《Defence Technology（防务技术）》2018年第5期484-495,共12页Bao-ming Li Qing-hua Lin; This paper begins with a discussion on the significance of multi-physical fields in the research of railgun launching mechanism, followed by an introduction of research work about dynamic measurements and numerical si...; 关键词：RAILGUN LAUNCHING MECHANISM Dynamic measurement NUMERICAL simulation

Method of ballistic control and projectile rotation in a novel railgun被引量：5: 《Defence Technology（防务技术）》2018年第5期628-634,共7页Bo Tang Ying-tao Xu Gang Wan Jiang Yue Yong Jin Hai-yuan Li; In order to realize the ballistic control of the railgun and the flight stability of the projectile, a new type of railgun is designed, which can control the muzzle velocity and rotation rate. The method of the muzzle...; 关键词：BALLISTIC CONTROL RAILGUN ROTATION Spin-stabilized PROJECTILE

Research on proximity effect of electromagnetic railgun被引量：8: 《Defence Technology（防务技术）》2016年第3期223-226,共4页Yu-tao LOU Hai-yuan LI Bao-ming LI; The rails of electromagnetic railgun can be ablated by the temperature rise due to current concentration.The current distributions on the rails and armature are not only affected by the skin effect,but also influenced...; 关键词：ELECTROMAGNETIC RAILGUN PROXIMITY EFFECT SKIN EFFECT Ablation

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