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个人信息Personal Information
教授 博士生导师
招生学科专业：
力学 -- 【招收博士、硕士研究生】 -- 航空学院
机械工程 -- 【招收博士、硕士研究生】 -- 航空学院
机械 -- 【招收博士、硕士研究生】 -- 航空学院
主要任职：Chang-Jiang Distinguished Professor
其他任职：IAAM Fellow; board member of Chinese Acoustical Society and member of its academic work committee, and deputy director of expert committees on electronic information materials and devices, and on Aerospace materials, Chinese national think tank for materials and devices.
性别：男
毕业院校：Tokyo Institute of Technology
学历：东京工业大学
学位：哲学博士学位
所在单位：Nanjing University of Aeronautics & Astronautics
办公地点：A18-1106
联系方式：ejhhu@nuaa.edu.cn; HP:18912946712 TEl:025-84891681
电子邮箱：
Analysis of complex spiral vortex field in nano particle concentration
点击次数：
所属单位：航空学院
发表刊物：Proc. Symp. Piezoelectricity, Acoust. Waves, Dev. Appl., SPAWDA
摘要：A strategy to concentrate nanoscale particles on the interface between a nano suspension droplet and non-vibration substrate is demonstrated and analyzed. It employs the spiral vortex of acoustic streaming, generated by an ultrasonically vibrating needle parallel to and above the non-vibration substrate. The vortex drags nanoscale particles to the center of itself, forming a concentration spot. For 250nm-diameter SiO2 nano particle suspension with an initial concentration of 0.09 mg/ml, the diameter of the concentration spot can be up to several hundred microns. The dependency of the spiral vortex field on the vibration distribution of the acoustic needle immersed in the droplet is also clarified by experiments and simulation of the COMSOL Multiphysics FEM software, and the concentration conditions are obtained by analyzing the nano particle dynamics in the spiral vortex. © 2017 IEEE.
是否译文：否
发表时间：2018-04-17
合写作者：Tang, Qiang
通讯作者：胡俊辉