VELOCIMETRY

作品数：100被引量：217H指数：7
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Quantification of bedload transport in the Hungarian Danube using multiple analysis methods
《International Journal of Sediment Research》2024年第6期1015-1026,共12页Sándor Baranya 
This paper was prepared within the framework of the Széchenyi Plan Plus Programme with the support of the Recovery and Resilience Facility RRF2.3.121202200008 project;The research was partly funded by the Sustainable Development and Technologies National Programme of the Hungarian Academy of Sciences(FFT NP FTA);The data collection was done in the frame of the SEDDON II–Interreg V-A Austria-Hungary project.
While bedload transport is crucial to river morphodynamics,quantifying it in large rivers,such as the Danube,poses significant challenges.The current study focuses on the gravel-dominated section of the Danube River i...
关键词：Danube River Bedload transport Physical sampling Acoustic Doppler Current Profiler(ADCP) Acoustic mapping velocimetry(AMV) Bedload rating curve 
壁湍流相干结构的时空多尺度条件平均模态
《力学学报》2024年第12期3409-3417,共9页李秋营 范子椰 白建侠 程肖岐 姜楠 
国家自然科学基金(12332017,12202310和12202309);中国博士后基金(2022M712357);天津市教委科研计划(2022KJ049)资助项目。
对湍流边界层中“喷射”和“扫掠”事件的时间历程和空间物理形态进行描绘并研究其统计特性,是深入认识湍流的重要途经.利用平板湍流边界层四相机阵列大视场高时间分辨率TRPIV(time-resolved particle image velocimetry)实验数据库,获...
关键词：壁湍流 PIV(particle imagevelocimetry) 子波分析 相干结构 时空条件平均模态 
Development of a 2D spatial displacement estimation method for turbulence velocimetry of the gas puff imaging system on EAST
《Plasma Science and Technology》2024年第3期17-24,共8页李乐天 刘少承 颜宁 刘晓菊 高翔 
supported by the National Magnetic Confinement Fusion Energy R&D Program of China(Nos.2022YFE03030001,2022YFE03020004 and 2022YFE 03050003);National Natural Science Foundation of China(Nos.12275310,11975275,12175277 and 11975271);the Science Foundation of Institute of Plasma Physics,Chinese Academy of Sciences(No.DSJJ-2021-01);the Collaborative Innovation Program of Hefei Science Center,Chinese Academy of Sciences(No.2021HSC-CIP019);the Users with Excellence Program of Hefei Science Center,Chinese Academy of Sciences(Nos.2021HSC-UE014 and 2021HSCUE012)。
A gas puff imaging(GPI)diagnostic has been developed and operated on EAST since 2012,and the time-delay estimation(TDE)method is used to derive the propagation velocity of fluctuations from the two-dimensional GPI dat...
关键词：gas puff imaging spatial displacement estimation SDE edge turbulence velocity TDE EAST tokamak 
Investigate the Wake Flow on Houseflies with Particle-Tracking-Velocimetry and Schlieren Photography
《Journal of Bionic Engineering》2023年第2期656-667,共12页Yun Liu Angel David Lozano 
The Shake-the-Box system used for the particle tracking velocimetry experiment was funded by National Science Foundation(CMMI-1919726)to Y.Liu.
Utilizing high-speed schlieren photography and particle-tracking-velocimetry,the wake flow of tethered houseflies is investigated.The high-speed schlieren photography is implemented on tethered houseflies inside an ai...
关键词：Insect flight Schlieren photography Shake-the-Box Wake flow 
Visualization of adaptive polymer flow and displacement in medium-permeable 3D core-on-a-chip被引量：1
《Petroleum Science》2023年第2期1018-1029,共12页Yan Zhang Xue-Zhi Zhao Pei-Hui Han Li-Yuan Zhang David A.Weitz Yu-Jun Feng 
financially supported by the National Natural Science Foundation of China(grant number U1762218).
Polymer flooding has been witnessed an effective technology for enhancing oil recovery from medium-to low-permeability reservoirs;however, direct visualization of polymer solution flow in such reservoir condition is s...
关键词：Polymer flooding Medium-permeable transparent media Adaptive polymer In-situ rheology Particle imaging velocimetry 
Improving aircraft aerodynamic performance with bionic wing obtained by ice shape modulation被引量：3
《Chinese Journal of Aeronautics》2023年第2期76-86,共11页Like XIE Hua LIANG Haohua ZONG Yun WU Yinghong LI Zhi SU Xuecheng LIU 
supported by the National Natural Science Foundation of China(No.12002384);the National Key Laboratory Foundation of China(No.614220210200112)。
For Unmanned Aerial Vehicles(UAVs)with limited electrical power to achieve effectively anti-/de-icing at the leading edge of the wing,a strategy of ice shape modulation was proposed.Isolated simulated ice shape pieces...
关键词：Dimensionless ice shape length Dimensionless modulation ratio Ice shape modulation NACA0012 finite wing Particle imaging velocimetry(PIV) Unmanned aerial vehicles(UAVs) 
Engineering upconverting core–shell nano-probe for spectral responsive fluid velocimetry被引量：3
《Nano Research》2023年第1期1212-1219,共8页Hai Huang Shaoxiong Wang Runyu Chen Nianfeng Zhang Hu-Rong Yao Yuanhui Zheng Feng Huang Daqin Chen 
This research was supported by National Natural Science Foundation of China(Nos.12074068,51972060,22103013,and 52102159);Fujian Science&Technology Innovation Laboratory for Optoelectronic Information(No.2021ZZ126);Natural Science Foundation of Fujian Province(Nos.2021J06021,2021J01184,2021J01187,and 2020J02017).
Particle velocimetry based on the temporal feature of upconversion luminescent nanocrystals is a newly-raising fluid velocimetry.Exploiting the availability to low flow rate fluid and exempting redundance external cal...
关键词：core-shell nanocrystals UPCONVERSION temporal dynamic fluid velocimetry 
3D particle streak velocimetry by defocused imaging被引量：1
《Particuology》2023年第1期1-9,共9页Xiangrui Dong Xiaoxiao Wang Wu Zhou Fangting Wang Xinran Tang Xiaoshu Cai 
supported by the National Natural Science Foun-dation of China(grant numbers 51906154,51576130);NaturalScience Foundation of Shanghai(grant number 21ZR1443700).
Particle streak velocimetry (PSV) has become one of the important branches of flow filed measurements. It extracts velocity information from particle trajectories captured by single frame long exposure images. Since t...
关键词：Defocusing particle streak velocimetry Curve trajectory Three-dimensional velocity Gray value distribution 
Measurement of two-phase velocities in bubble flows using laser Doppler velocimetry被引量：3
《Journal of Hydrodynamics》2022年第6期1134-1144,共11页Ling-xin Zhang Xin-sheng Cheng Han Tu Qi Gao Xue-ming Shao Xiang-Wei Liao Liang Zhao 
Project supported by the State Key Program of National Natural Science of China(Grant No.91852204);supported by the Program of State Key Laboratory of Marine Equipment(Grant No.SKLMEA-K201910).
The measurement of two-phase velocities in bubble flows using laser Doppler velocimetry(LDV)is studied.The key to the problem is to differentiate the LDV signals from bubbles and tracers,based on which the two-phase v...
关键词：laser Doppler velocimetry(LDV) bubbly flow phase discrimination bubble tracking velocimetry(BTV) 
Development of the peanut precision fertilization control system based on threshold velocity algorithm
《International Journal of Agricultural and Biological Engineering》2022年第5期116-122,共7页Yuqi Fan Yan Yu Shuqi Shang Tianying Gu Yanrui Hu Linsong Diao Ruchao Ge Xing Zhang 
financially supported by the Key Research and Development Program of Shandong Province(Grant No.2018YF008-02);Introduction and Education Program for young Talents in Shandong Colleges and Universities.
In view of the fact that the current ground wheel velocimetry of the peanut precision fertilizer control system cannot solve the phenomenon of ground wheel slippage,and signal interference and delay loss cannot be exc...
关键词：PEANUT precision fertilizer planter BeiDou velocimetry ground wheel velocimetry threshold speed algorithm control system 
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