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Chin. Phys. B, 2014, Vol. 23(6): 064702    DOI: 10.1088/1674-1056/23/6/064702
ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS Prev   Next  

Critical condition for the transformation from Taylor cone to cone-jet

Wei Chenga, Gang Tie-Qiangb, Chen Li-Jieb, Zhao Yanga
a Department of Aerospace Engineering, Harbin Institute of Technology, Harbin 150001, China;
b School of Physics and Mechanical & Electrical Engineering, Xiamen University, Xiamen 361005, China
Abstract  An energy method is proposed to investigate the critical transformation condition from a Taylor cone to a cone-jet. Based on the kinetic theorem, the system power allocation and the electrohydrodynamics stability are discussed. The numerical results indicate that the energy of the liquid cone tip experiences a maximum value during the transformation. With the proposed jetting energy, we give the critical transformation condition under which the derivative of jetting energy with respect to the surface area is greater than or equal to the energy required to form a unit of new liquid surface.
Keywords:  Taylor cone      cone-jet      electrohydrodynamics      numerical computation     
Received:  23 July 2013      Published:  15 June 2014
PACS:  47.20.Dr (Surface-tension-driven instability)  
  47.55.db (Drop and bubble formation)  
  47.55.nb (Capillary and thermocapillary flows)  
  47.65.-d (Magnetohydrodynamics and electrohydrodynamics)  
Fund: Project supported by the National Basic Research Program of China (Grant No. 2013CB733004).
Corresponding Authors:  Gang Tie-Qiang, Chen Li-Jie     E-mail:  gangtq@xmu.edu.cn;chenlijie@xmu.edu.cn

Cite this article: 

Wei Cheng, Gang Tie-Qiang, Chen Li-Jie, Zhao Yang Critical condition for the transformation from Taylor cone to cone-jet 2014 Chin. Phys. B 23 064702

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