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| 1 | Experimental Investigation into Characteristics of Plasma Aerodynamic Actuation Generated by Dielectric Barrier Discharge显示文摘This article carries out synthetic measurements and analysis of the characteristics of the asymmetric surface dielectric barrier discharge plasma aerodynamic actuation.The rotational and vibrational temperatures of an N2 (C3Пu) molecule are measured in terms of the optical emission spectra from the N2 second positive system.A simplified collision-radiation model for N2(C) and N2+(B) is established on the basis of the ratio of emission intensity at 391.4 nm to that at 380.5 nm and the ratio of emission intensity at 371.1 nm to that at 380.5 nm for calculating temporal and spatial averaged electron temperatures and densities.Under one atmosphere pressure,the electron temperature and density are on the order of 1.6 eV and 1011cm-3 respectively.The body force induced by the plasma aerodynamic actuation is on the order of tens of mN while the induced flow velocity is around 1.3m/s.Starting vortex is firstly induced by the actuation;then it develops into a near-wall jet,about 70 mm downstream of the actuator.Unsteady plasma aerodynamic actuation might stimulate more vortexes in the flow field.The induced flow direction by nanosecond discharge plasma aerodynamic actuation is not parallel,but vertical to the dielectric layer surface. | Wu Yun Li Yinghong Jia Min Song Huimin Su Changbing Pu Yikang | 2010 | Chinese Journal of Aeronautics2010，23，1： | 20 |
| 2 | Gas temper ature,eleetron density and electron temperature measurement in a microwave excited microplasma显示文摘 | ZHU Ximing CHEN Wencong PU Yikang | 2008 | Journal of Physics D: Applied Physics2008，41，10： | 1 |
| 3 | Experimentally Determined Flame Properties near Flammability Limits Under Gravity and Microgravity Conditions显示文摘 | Yikang Pu Jun Hu Jozef Jarosinski | 2009 | Combustion Science and Technology2009，，12： | 1 |
| 4 | Analysis and elimination of the distortion in electro-optic measurement of low-energysubpicosecond electron bunches显示文摘 | Zhu Liguo Pu Yikang Li Zeren | 2009 | Nuclear Instruments and Methods in Physics Research A2009，600，3： | 1 |
| 5 | Approach to broadband terahertz pulse field detection and recovery with electro-opticsampling measurement显示文摘 | Zhu Liguo Li Zeren Pu Yikang | 2010 | Optics Communication2010，283，： | 1 |
| 6 | Effect of Turbulence on Flame Propagation in Comstarch Dust-Air Mixtures显示文摘跟随灰尘云参数的量的决心,这研究在 780 公里高度和 160 脳 1 的垂直的管通过玉蜀黍淀粉灰尘云调查了火焰繁殖 60 公里平方十字节,并且在火焰特征上把特别注意给了骚乱的效果。灰尘分散过程导致的骚乱用粒子图象 velocimetry (PIV ) 被测量系统。向上的宣传灰尘火焰与直接的光和阴影摄影被设想。结果证明骚乱紧张的批评价值能在在哪个 laminar 下面,火焰繁殖将被建立下面被指定。这个转变条件是大约 10 cm/s。laminar 火焰的测量繁殖速度看起来在 0.45 鈥 ?.56 m/s 的范围,与在文学报导的大小一致。目前试验性的条件,火焰速度是对在灰尘集中的变化敏感的很少。火焰结构的一些信息从阴影记录被揭示,显示出灰尘燃烧过程的典型异构的特征。关键词灰尘火焰 - 火焰繁殖 - 灰尘分散过程 - 骚乱 - 玉蜀黍淀粉 CLC 数字 V231. | Shuangfeng WANG Yikang PU Fu JIA Artur GUTKOWSKI | 2006 | Journal of Thermal Science2006，15，2： | 0 |
| 7 | High-performance flexible organic field effect transistors with print-based nanowires显示文摘Polymer nanowire(NW)organic field-effect transistors(OFETs)integrated on highly aligned large-area flexible substrates are candidate structures for the development of high-performance flexible electronics.This work presents a universal technique,coaxial focused electrohydrodynamic jet(CFEJ)printing technology,to fabricate highly aligned 90-nm-diameter polymer arrays.This method allows for the preparation of uniformly shaped and precisely positioned nanowires directly on flexible substrates without transfer,thus ensuring their electrical properties.Using indacenodithiophene-co-benzothiadiazole(IDT-BT)and poly(9,9-dioctylfluorene-co-benzothiadiazole)(F8-BT)as example materials,5 cm^(2) arrays were prepared with only minute size variations,which is extremely difficult to do using previously reported methods.According to 2D-GIXRD analysis,the molecules inside the nanowires mainly adopted face-onπ-stacking crystallite arrangements.This is quite different from the mixed arrangement of thin films.Nanowire-based OFETs exhibited a high average hole mobility of 1.1 cm^(2) V^(−1) s^(−1) and good device uniformity,indicating the applicability of CFEJ printing as a potential batch manufacturing and integration process for high-performance,scalable polymer nanowire-based OFET circuits.This technique can be used to fabricate various polymer arrays,enabling the use of organic polymer semiconductors in large-area,high-performance electronic devices and providing a new path for the fabrication of flexible displays and wearable electronics in the future. | Liangkun Lu Dazhi Wang Changchang Pu Yanyan Cao Yikang Li Pengfei Xu Xiangji Chen Chang Liu Shiwen Liang Liujia Suo Yan Cui Zhiyuan Zhao Yunlong Guo Junsheng Liang Yunqi Liu | 2023 | Microsystems & Nanoengineering2023，9，3： | 0 |
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