国家自然科学基金(11202102)

作品数：9被引量：10H指数：2
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相关作者：张辉范宝春陈志华刘梦珂李鸿志更多>>
相关机构：南京理工大学更多>>
相关期刊：《Chinese Physics B》《Applied Mathematics and Mechanics(English Edition)》《Defence Technology（防务技术）》《兵工学报》更多>>
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Mechanism of controlling turbulent channel flow with the effect of spanwise Lorentz force distribution被引量：2
《Chinese Physics B》2017年第8期250-258,共9页韩洋 张辉 范宝春 李健 江代文 赵子杰 
supported by the National Natural Science Foundation of China(Grant Nos.11672135 and 11202102);the Fundamental Research Funds for the Central Universities,China(Grant No.30916011347);a Foundation for the Author of National Excellent Doctoral Dissertation,China(Grant No.201461)
A direct numerical simulation（DNS） is performed to investigate the control effect and mechanism of turbulent channel flow with the distribution of spanwise Lorentz force. A sinusoidal distribution of constant spanwi...
关键词：flow control turbulent channel flow Lorentz force direct numerical simulation 
剪切来流条件下的涡生振荡机理
《国防科技大学学报》2016年第6期70-76,共7页张辉 刘梦珂 范宝春 陈志华 
国家自然科学基金资助项目(11202102);高等学校博士学科点专项科研基金资助项目(20123219120050);江苏省高校研究生实践创新计划资助项目(SJLX15_0185)
将指数极坐标系建立在运动的圆柱上,推导了运动坐标中剪切来流条件下,涡生振荡的涡量-流函数守恒方程、其初始和边界条件、圆柱表面的水动力表达式、圆柱振荡方程。对圆柱从静止开始振荡到发展为稳定振荡状态进行了计算和讨论,描述了脱...
关键词：涡生振荡 剪切流 流固耦合 水动力 升力 
电磁力减振过渡过程的机理研究
《兵工学报》2016年第5期859-865,共7页张辉 范宝春 刘梦珂 
国家自然科学基金项目(11202102);高等学校全国优秀博士学位论文作者专项资金项目(201461)
电介质溶液中,电磁场产生的电磁力可以控制流体的运动。将其用于钝体绕流时,可以抑制分离和消除涡街,从而达到减振的目的。为了研究电磁力减振的过渡过程,将指数极坐标系建立在运动的圆柱上,推导了运动坐标中,基于涡生振荡并考虑电磁力...
关键词：兵器科学与技术 流体控制 涡生振荡 电磁力 减振 
Numerical study on evolution of subharmonic varicose low-speed streaks in turbulent channel flow被引量：2
《Applied Mathematics and Mechanics(English Edition)》2016年第3期325-340,共16页Jian LI Gang DONG Jianlei ZHANG 
supported by the National Natural Science Foundation of China(Nos.11372140 and11202102);the Innovation Project for College Graduates of Jiangsu Province(No.CXZZ13-0189)
The evolution of two spanwise-aligned low-speed streaks in a wall turbulent flow, triggered by the instability of the subharmonic varicose （SV） mode, is studied by a direct numerical simulation （DNS） method in a s...
关键词：low-speed streak subharmonic varicose mode turbulent boundary layer direct numerical simulation 
Drag reduction in turbulent channel flow using bidirectional wavy Lorentz force被引量：3
《Science China(Physics,Mechanics & Astronomy)》2014年第11期2133-2140,共8页HUANG LePing CHOI KwingSo FAN BaoChun CHEN YaoHui 
supported by the National Natural Science Foundation of China(Grant Nos.11172140 and 11202102);the Specialized Research Fund for Doctoral Program of Higher Education(Grant No.20123219120050);the EU FP6 Framework Program AVERT and the Faculty of Engineering,University of Nottingham
Turbulent control and drag reduction in a channel flow via a bidirectional traveling wave induced by spanwise oscillating Lorentz force have been investigated in the paper.The results based on the direct numerical sim...
关键词：bidirectional Lorentz turbulence suppression Figure vortex turbulent traveling visualization realized 
电磁控制涡激振荡的实验研究被引量：1
《实验流体力学》2014年第1期26-30,共5页张辉 范宝春 陈志华 李鸿志 
国家自然科学基金(11202102);高等学校博士学科点专项科研基金(20123219120050)资助
利用电介质溶液中圆柱体侧表面附近分布的电磁场产生电磁力可有效改变流体边界层及尾涡结构。本文以减振为目标,对电磁力控制涡激振荡进行了实验研究。实验在转动水槽中进行,通过吊杆将装有电磁激活板的圆柱插在槽内液体中。吊杆上的应...
关键词：流动控制 电磁力 涡激振荡 边界层 
Numerical simulation on evolution of subharmonic low-speed streaks in minimal channel turbulent flow被引量：1
《Applied Mathematics and Mechanics(English Edition)》2013年第9期1069-1082,共14页李健 董刚 
supported by the National Natural Science Foundation of China(No.11202102);the Innovation Project for College Graduates of Jiangsu Province(No.CXZZ13_0189);the Specialized Research Fund for Doctoral Program of Higher Education of China(No.20123219120050)
The evolution of low-speed streaks in the turbulent boundary layer of the minimum channel flow unit at a low Reynolds number is simulated by the direct numer- ical simulation （DNS） based on the standard Fourier-Cheb...
关键词：low-speed streak streamwise vortice instability ENSTROPHY directnumerical simulation （DNS） 
Experimental Research on the Mechanism of Lift Amplification and Vibration Suppression of Lorentz Force被引量：2
《Defence Technology（防务技术）》2013年第2期110-116,共7页ZHANG Hui FAN Baochun CHEN Zhihua LI Hongzhi LI Baoming 
Sponsored by the National Nature Science Foundation of China ( 11202102);pecialized Research Fund for Doctoral Program of High Educatio n ( 20123219120050)
The Lorentz force generated by electromagnetic field on the surface of the cylinder in the electrolyte solution may modify the structure of the flow boundary layer effectively. The transient control process of Lorentz...
关键词：hydromechanics flow control Lorentz force vortex-induced vibration cylinder wake 
Lift Enhancement and Oscillatory Suppression of Vortex-induced Vibration in Shear Flow by Loentz Force被引量：1
《Defence Technology（防务技术）》2012年第3期139-145,共7页张辉 范宝春 李鸿志 
Sponsored by the National Nature Science Foundation of China (11202102,11172140)
The flow of the weak electrolyte solution can be controlled by Lorentz force achieved with the suitable magnetic and electric fields, and it has the advantages of vortex street suppression, drag reduction, lift enhanc...
关键词：hydromechanics vortex-induced vibration shear flow flow control electro-magnetic control 
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