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BUBBLE: 作品数：800被引量：1155H指数：12; 导出分析报告; 相关领域：理学更多>>; 相关作者：段火元李言祥周宇通秦爽冯钢更多>>; 相关机构：中国科学院大学中国科学院西安交通大学清华大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家高技术研究发展计划更多>>

Electrohydraulic effect of microsecond pulsed discharge in transformer oils: 《High Voltage》2025年第1期137-145,共9页Hang Wang Cheng Zhang Zhuofei Wang Shuai Zhang Kaihang Guo Tao Shao; National Science Fund for Distinguished Young Scholars,Grant/Award Number:51925703;National Natural Science Foundation of China,Grant/Award Numbers:52261145695,52350072。; The physical process of microsecond pulsed discharge in transformer oil is the foun-dation for studying the initial mechanics of faults in ultra-high voltage transformers.However,the microsecond-scale electrohydraulic...; 关键词：BUBBLE EFFECT ACCELERATION

Deformation mechanism of rock mass and prestressed anchor cable support technology of Haidong soft rock tunnel: 《Journal of Mountain Science》2024年第12期4299-4322,共24页LEI Xiaotian TAO Zhigang LIU Keyuan YANG Hong CAI Mingjiu FAN Xiaowei; supported by the China Yunnan Province Major Science and Technology Special Plan Foundation Project (Grant No. 202002AF080003);the China Railway No.5 Engineering Group Co., Ltd.; The Haidong Tunnel is one of the four soft rock tunnels of the Central Yunnan Water Diversion Project(CYWDP),where large deformation hazards of soft rock occur frequently,which seriously affect construction safety.The...; 关键词：Central Yunnan Water Diversion Project Large deformation of soft rock Prestressed anchor cable Active support 'Pressure bubble'mechanical model

基于声信号的给水管微小泄漏检测技术研究: 《电子测量与仪器学报》2024年第12期113-123,共11页马亮安腾飞刘文黎李德恩; “十四五”国家重点研发计划(2023YFC3805802)项目;国家自然科学基金面上项目(72171094);国家自然科学基金重大项目(52192664);湖北省社会科学基金法治湖北专项预立项课题预立项项目资助。; 为了有效解决管道泄漏信号难以从复杂背景噪声中分离以及微小泄漏特征提取困难的问题,提出一种基于VMD和ELM的管道微小泄漏工况识别的方法。首先,利用霜冰优化算法RIME改进VMD的关键参数选取,实现VMD的自适应分解。采用VMD分解产生的各...; 关键词：管道泄漏检测变分模态分解霜冰优化算法 Bubble熵极限学习机

Research Advances of Bubble Dynamics in Power Transformers: 《CSEE Journal of Power and Energy Systems》2024年第6期2639-2656,共18页Qingming Li Niyomugabo Emmanuel Ladislas Xuwei Huang Qiushi Liu Zhongdong Wang; supported in part by the Science and Technology Project of SGCC:Research on bubble generation mechanism and behavior characteristics of oil-immersed power transformer/high-voltage reactor under the coupling action of vibration and electric field(No.52120520001A).; Condition monitoring and maintenance are essential for ensuring stable and reliable operation of facility transformer,reducing costs,and increasing expected life.Foam cannot be avoided within the power transformer whi...; 关键词：Bubble dynamics bubble growth bubble migration dielectrics electric field VIBRATION

Microbubble-based fabrication of resilient porous ionogels for high-sensitivity pressure sensors: 《Microsystems & Nanoengineering》2024年第6期203-212,共10页Ziwei Yang Jingxiao Wang Xiao Wan Hongcheng Xu Chuanyu Zhang Xiaoke Lu Weixuan Jing Chuanfei Guo Xueyong Wei; financially supported by the National Key Research and Development Program of China(2022YFB3203600);the National Natural Science Foundation of China(52075432);the Program for Innovation Team of Shaanxi Province(2021TD-23).; High-sensitivity flexible pressure sensors have obtained extensive attention because of their expanding applications in e-skins and wearable medical devices for various disease diagnoses.As the representative candidat...; 关键词：POROUS BUBBLE PROMPT

Coupling the thermal acoustic modes of a bubble to an optomechanical sensor: 《Microsystems & Nanoengineering》2024年第6期301-309,共9页K.G.Scheuer F.B.Romero R.G.DeCorby; funded by the Government of Alberta(Innovation Catalyst Grant),Alberta Innovates,the Natural Sciences and Engineering Research Council of Canada(CREATE 495446-17);the Alberta EDT Major Innovation Fund(Quantum Technologies).; Optomechanical sensors provide a platform for probing acoustic/vibrational properties at the micro-scale.Here,we used cavity optomechanical sensors to interrogate the acoustic environment of adjacent air bubbles in wa...; 关键词：BUBBLE CAVITY THERMAL

Acoustic feature extraction of radiation pressure signal induced by bubble oscillation under dual-frequency acoustic excitation based on CEEMDAN and bubble entropy: 《International Journal of Fluid Engineering》2024年第4期139-150,共12页Xianghao Zheng Yuning Zhang Yiming Li; financially supported by the Scientific Research Starting Foundation of Fuzhou University(Project No.511429); Acoustic feature extraction of radiation pressure signals(RPSs)induced by bubble oscillations is a crucial task in the characterization of the properties of underwater objects.In this article,to improve the extraction...; 关键词：CEEMDAN ENTROPY BUBBLE

Investigation on the cylindrical bubble dynamics near a wall with an arched bulge: 《Journal of Hydrodynamics》2024年第6期1073-1082,共10页Yu-fei Wang Shu-zheng Hu Zheng-yang Feng Ya-bin Liu Xiao-yu Wang Yu-ning Zhang; financially supported by the Postdoctoral Fellowship Program of CPSF(Grant No.GZC20240466).; In this paper,the collapse dynamic properties of the cylindrical bubble near an arched cylinder bulge are researched relying on the conformal transformation and Kelvin impulse model.The properties of the liquid veloci...; 关键词：Bubble collapse dynamics cylindrical bubble arched cylinder bulge Kelvin impulse conformal transformation

Theoretical investigation of the simultaneous resonance of a cylindrical bubble under triple-frequency acoustic excitation: 《Journal of Hydrodynamics》2024年第6期1095-1103,共9页Jia-xin Yu Zhi-hao Liu Jin-xin Luo Xiang-qing Zhang Zheng-gui Li Yu-ning Zhang; supported by the Open Research Subject of Key Laboratory of Fluid and Power Machinery,Ministry of Education,Xihua University(Grant No.LTDL-2024009).; In the present paper,the simultaneous resonance of a cylindrical bubble under triple-frequency acoustic excitation is investigated theoretically.Specifically,based on the multi-scale method,the dimensionless oscillati...; 关键词：Cylindrical bubble simultaneous resonance oscillation equation frequency response

Effect of heat and bubble mass transfer on the efficiency of alkaline electrolysis hydrogen production: 《Nano Research》2024年第11期9345-9370,共26页Nian Xu Bingbing Qiu Zucun Rui Tianxiang Ji Zilong Liu Huaqiang Chu; the Project of Anhui Provincial Natural Science Foundation(No.2008085J25);Anhui Province University Natural Science Research Project(No.KJ2020ZD29)for their financial support of this study.; This review highlights the critical effects of heat transfer and bubble mass transfer in alkaline water electrolysis on hydrogen generation efficiency. To improve heat transfer performance, the study focuses on reduci...; 关键词：HYDROGEN resistance bubble coverage heat transfer mass transfer

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