云南高校图书馆联盟文献共享服务平台- HYPERVELOCITY

HYPERVELOCITY: 作品数：32被引量：84H指数：6; 导出分析报告; 相关领域：理学更多>>; 相关作者：杨继运更多>>; 相关机构：北京卫星环境工程研究所更多>>; 相关期刊：《National Science Review》《Transactions of Tianjin University》《Frontiers of Information Technology & Electronic Engineering》《Journal of Wuhan University of Technology(Materials Science)》更多>>; 相关基金：国家自然科学基金国家高技术研究发展计划国家重点基础研究发展计划国家教育部博士点基金更多>>

Hypervelocity kinetics blocks harmful intermediates to enhance stability of Fe-N-C catalysts: 《Science China Materials》2025年第3期812-819,共8页Zhenyang Xie Chunyan Zhang Zhuoyang Xie Zude Shen Linsen Liu Li Li Wei Ding Zidong Wei; financially supported by the National Key Research and Development Program of China(2021YFA1502000);the National Natural Science Foundation of China(22022502 and 22179012);Natural Science Foundation of Chongqing,China(CSTB2023NSCQLZX0084).; Hydrogen peroxide that is produced through the two-electron pathway during the catalysis of oxygen reduction reaction(ORR)is recognized as harmful to the stability of nitrogen-doped carbon and Fe-based nonprecious cat...; 关键词：H_(2)O_(2)decomposition kinetics Fe-N-C stability structure-performance relationship fuel cells ORR

A high-velocity star recently ejected by an intermediate-mass black hole in M15: 《National Science Review》2025年第2期23-28,共6页Yang Huang Qingzheng Li Jifeng Liu Xiaobo Dong Huawei Zhang Youjun Lu Cuihua Du; supported by the Strategic Priority Research Program of the Chinese Academy of Sciences(XDB0550103);the National Natural Science Foundation of China(12422303,11903027 and 11833006);the National Key R&D Program of China(2023YFA1608303 and 2019YFA0405503);support from the National Natural Science Foundation of China(11988101 and 11933004);the New Cornerstone Science Foundation through the New Cornerstone Investigator Program and the XPLORER PRIZE.;support from the National Natural Science Foundation of China(12373013);the National Natu-ral Science Foundation of China(11973001,12090040 and 12090044);the National Key R&D Program of China(2019YFA0405504).; The existence of intermediate-mass black holes(IMBHs)is crucial for understanding various astrophysical phenomena,yet their existence remains elusive,except for the LIGO-Virgo detection.We report the discovery of a hi...; 关键词：intermediate-mass black hole Hills mechanism hypervelocity star globular cluster large-scale survey

Study on damage mechanism and damage distribution of the rear plate under impact of debris cloud: 《Defence Technology（防务技术）》2024年第5期151-167,共17页Chenyang Wu Xiaowei Chen Qiguang He; supported by the Innovative Research Groups of the National Natural Science Foundation of China(Grant No.12221002)。; The debris cloud generated by the hypervelocity impact(HVI)of orbiting space debris directly threatens the spacecraft.A full understanding of the damage mechanism of rear plate is useful for the optimal design of prot...; 关键词：Damage of rear plate Debris cloud Secondary impact Hypervelocity yaw impact FE-SPH adaptive method

Experimental and numerical study of hypervelocity impact damage on composite overwrapped pressure vessels: 《Defence Technology（防务技术）》2024年第1期58-72,共15页Yong-Pan Duan Run-Qiang Chi Bao-Jun Pang Yuan Cai; supported by the National Natural Science Foundation of China(Grant Nos.11672097,11772113)。; Ground-based tests are important for studying hypervelocity impact(HVI)damage to spacecraft pressure vessels in the orbital debris environment.We analyzed the damage to composite overwrapped pressure vessels(COPVs)in ...; 关键词：Orbital debris Hypervelocity impact Composite overwrapped pressure vessels Damage mechanisms

Study of the axial density/impedance gradient composite long rod hypervelocity penetration into a four-layer Q345 target: 《Defence Technology（防务技术）》2023年第10期314-329,共16页Na Feng Kun Ma Chunlin Chen Lixin Yin Mingrui Li Zhihua Nie Gang Zhou Chengwen Tan; supported by the National Natural Science Foundation of China(Grant No.11772269)。; Based on the dynamic shock response of the material and structure,the hypervelocity impact processes and mechanisms of long composite rods with axial density/impedance gradients penetration into fourlayer targets were...; 关键词：HYPERVELOCITY Density/impedance gradient Axial composite rod Penetration mechanism

Debris cloud structure and hazardous fragments distribution under hypervelocity yaw impact被引量：1: 《Defence Technology（防务技术）》2023年第9期169-183,共15页Chenyang Wu Qi-Guang He Xiaowei Chen Chunbo Zhang Zebin Shen; supported by the National Natural Science Foundation of China(Grant No.11872118,11627901)。; This study investigates how the debris cloud structure and hazardous fragment distribution vary with attack angle by simulating a circular cylinder projectile hypervelocity impinging on a thin plate using the finite e...; 关键词：Debris cloud Hypervelocity yaw impact FE-SPH adaptive method Velocity space Hazardous fragments distribution

Detecting the meteoroid by measuring the electromagnetic waves excited by the collision between the hypervelocity meteoroid and spacecraft: 《Plasma Science and Technology》2022年第11期70-77,共8页Bo LIU Heng ZHANG Bin XU Zhengzheng MA Hui LI Wenshan DUAN; supported by National Natural Science Foundation of China(Nos.11965019,42004131 and 42065005).; The electromagnetic pulse excited by the collision between a hypervelocity meteoroid and a spacecraft is studied both numerically and theoretically.It is found that there are two kinds of electromagnetic pulse.The hig...; 关键词：PLASMA electromagnetic pulses hypervelocity impact PIC simulation

Experimental and analytical assessment of the hypervelocity impact damage of GLAss fiber REinforced aluminum: 《Defence Technology（防务技术）》2022年第7期1232-1246,共15页Md.Zahid Hasan; funded by Bangladesh Air Force (BAF) Academy,Bangladesh; This article addresses the response of GLAss fiber REinforced aluminum to hypervelocity impacts of micrometeoroid analogs at impact velocities of 7 km/s and beyond.In relation,the damage modes of different GLAss fiber...; 关键词：Hypervelocity impact Petalling Fiber failure Volumetric compression Sublimation of epoxy

Spacecraft damage infrared detection algorithm for hypervelocity impact based on double-layer multi-target segmentation被引量：1: 《Frontiers of Information Technology & Electronic Engineering》2022年第4期571-586,共16页Xiao YANG Chun YIN Sara DADRAS Guangyu LEI Xutong TAN Gen QIU; Project supported by the National Natural Science Foundation of China(No.61873305);the Applied Basic Research Program of Sichuan Province,China(Nos.2018JY0410and 2019YJ0199)。; To detect spacecraft damage caused by hypervelocity impact,we propose an advanced spacecraft defect extraction algorithm based on infrared imaging detection.The Gaussian mixture model(GMM)is used to classify the tempe...; 关键词：Hypervelocity impact damage Defect detection Gaussian mixture model Image segmentation

Morphology analysis of tracks in the aerogels impacted by hypervelocity irregular particles被引量：2: 《High Power Laser Science and Engineering》2021年第2期8-16,共9页Ai Du Yi Ma Mingfang Liu Zhihua Zhang Guangwei Cao Hongwei Li Ling Wang Peijian Si Jun Shen Bin Zhou; the National Key Research and Development Program of China(No.2017YFA0204600);the National Natural Science Foundation of China(No.11874284).; As an attractive collector medium for hypervelocity particles,combined with outstanding physical properties and suitable compositional characteristics,SiO2 aerogel has been deployed on outer space missions and laser s...; 关键词：HYPERVELOCITY impact experiment irregular grains morphology silica aerogel

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