Mechanisms and modeling of electrohydrodynamic phenomena  

作　　者：Dajing Gao Donggang Yao Steven KLeist Yifan Fei Jack Zhou 

机构地区：[1]Department of Mechanical Engineering and Mechanics,Drexel University,Philadelphia,USA [2]School of Materials Science and Engineering,Georgia Institute of Technology,Atlanta,GA,USA

出　　处：《International Journal of Bioprinting》2019年第1期65-83,共19页国际生物打印期刊

摘　　要：The purpose of this paper is to review the mechanisms of electrohydrodynamic(EHD)phenomenon.From this review,researchers and students can learn principles and development history of EHD.Significant progress has been identified in research and development of EHD high-resolution deposition as a direct additive manufacturing method,and more effort will be driven to this direction soon.An introduction is given about current trend of additive manufacturing and advantages of EHD inkjet printing.Both theoretical models and experiment approaches about the formation of cone,development of cone-jet transition and stability of jet are presented.The formation of a stable cone-jet is the key factor for precision EHD printing which will be discussed.Different scaling laws can be used to predict the diameter of jet and emitted current in different parametrical ranges.The information available in this review builds a bridge between EHD phenomenon and threedimensional high-resolution inkjet printing.

关 键 词：ELECTROHYDRODYNAMIC cone-jet JET stability INKJET PRINTING ADDITIVE manufacturing 

分 类 号：TK1[动力工程及工程热物理—热能工程]