Results 1 to 10 of about 566 (176)
Application of Magnetic Coupling Resonance Wireless Power Transfer in Power System [PDF]
, 2022 Wireless power transfer (WPT) can transmit electric wirelessly. It performs better under some paticular circumstances compared with the traditonal transmission mode.
HE Hao +4 more
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Advanced Progress of Green Textile with Special Wettability [PDF]
, 2021 We introduced the preparation mechanism of biomimetic superhydrophobic surfaces and the development of hydrophobic finishing chemicals. The research process of multi-functional green textile with special wettability in the last 10 years was ...
Huang, Jianying, Lai, Yuekun, Li, Shuhui
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Gaoya dianqi, 2022 为探究刀闸拉合对柔性直流换流阀的电磁干扰特性,针对刀闸拉合对柔直换流阀辐射电磁干扰试验,通过分析电磁干扰原理,在CST仿真软件中建立了仿真模型。基于TLM场路耦合计算方法开展了仿真计算,得出了电磁干扰试验中阀塔内各位置的辐射电磁干扰水平,探究了阀塔内不同高度位置的电磁干扰强度和屏蔽罩对电磁干扰水平的影响。结果表明:阀塔内各位置辐射电磁干扰频谱的峰值基本出现在0.7 MHz附近;一般情况下,高度对低频电磁干扰水平有一定影响,对高频电磁干扰水平影响很小,不同位置处随着高度的增大电场强度幅值变化情况不一致 ...
赵媛 +6 more
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Dianci bileiqi, 2022 为了降低变电站巡检机器人磁耦合谐振式无线充电系统正常工作时对附近工作人员安全造成的危害，将高频辐射降低到国标标准限值内，笔者提出了一种复合结构式铝板屏蔽方案，采用有限元方法仿真计算巡检机器人无线充电系统电磁辐射，计算尺寸、层数对屏蔽板屏蔽效果的影响，并对比分析六种复合结构式屏蔽装置的屏蔽效果。结果表明：当增大屏蔽板尺寸和增加屏蔽板层数时，无线充电对外辐射磁场强度出现明显下降；采用复合结构式屏蔽板能够将无线充电系统的对外辐射磁场幅值基本降低到国标限值以内。
刘乐 +5 more
doaj
Study on preparation and electromagnetic shielding properties of silver-coated ferrosilicochrome powder [PDF]
ObjectiveThis study focuses on the preparation and properties of high-performance electromagnetic shielding materials for electronic equipment in marine environments.
Junzhi WU +4 more
core +1 more source
A miniature dynamic magnetoelectric test method by shielding coil [PDF]
, 2017 磁电效应是施加磁场产生电极化的物理效应,动态法测量磁电转换系数,是测量磁电材料的磁电效应的一类主要方法。本文尝试设计了一种屏蔽线圈式的微型磁电测; 试方法,改变了以往的电磁屏蔽方式,从屏蔽样品改为屏蔽线圈,并采用单线圈的设计,从而扩大了样品空间,提供一种可以微型化,便于嵌入低温系统的动态法磁; 电效应测试方法。Magnetoelectric effect is the effect that applied magnetic field induces; an electric polarization.
刘兴军, 徐明月, 施展, 黄群
core +1 more source
, 2017 轻合金具有比强度和比刚度高、密度低等优点,在追求轻量化、节能减排的今天具有广阔的应用前景,这就对其成形制造技术提出了更高的要求。在概述轻合金成形制造技术的基础上,分别对高真空压铸、半固态成形、电磁成形、超塑性成形等一系列成形技术的成形原理进行了简要分析,并阐述了这些技术在轻合金制造上的应用表现,总结了它们各自的技术优势。最后对轻合金成形技术做出了展望,指明了该技术的发展方向。福建省软科学计划项目 ...
张靖, 王建辉, 黄澜涛
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MXene‐Based Electromagnetic Attenuation Materials in Microwave and Terahertz Bands
Rare Metals, EarlyView.ABSTRACT MXenes exhibit considerable potential for developing high‐performance electromagnetic (EM) shielding and absorption materials operating across microwave and terahertz frequencies, due to their tunable surface chemistry and exceptional charge carrier transport properties.
Guozheng Zhang +9 more
wiley +1 more source
Preparation of Indium Tin Oxide Nanopowders and Study of their Surface Plasmon Resonances and Applications as Heat Isolation Materials [PDF]
, 2015 氧化铟锡（ITO）具有优异的高电导和高可见光透光率性质，已广泛应用于透明导电氧化物（TCO）薄膜材料。有关ITO材料的研究，大多集中于其高载流子浓度导致的高电导性质。虽然ITO纳米粉体由于其高载流子浓度，因此具有高的近红外吸收特性，作为热阻隔材料有应用潜力，但，ITO热阻隔材料的相关研究，主要是成膜工艺、膜层性能等方面；而对于关键的基础问题，即，ITO纳米粉体材料的基础问题，尤其是等离子共振（SPR）吸收特性方面的研究尚缺。等离子共振吸收的影响因素，理论上虽然给出了指导，但，针对ITO纳米粉体 ...
脱永峰
core
Rare Metals, EarlyView.ABSTRACT Considering the multiple challenges faced by stealth coatings in complex service environments, the development of multifunctional integrated microwave absorbing materials (MAMs) that combine efficient electromagnetic (EM) attenuation with environmental tolerance has become an urgent need. In this work, coral‐like CoNi@Void@C microparticle (MP)
Jiale Wu +8 more
wiley +1 more source