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

doi:10.1088/1674-1056/23/6/064702

中国物理B ›› 2014, Vol. 23 ›› Issue (6): 64702-064702.doi: 10.1088/1674-1056/23/6/064702

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

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

魏承^a, 冮铁强^b, 陈立杰^b, 赵阳^a

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

收稿日期:2013-07-23 修回日期:2013-12-02 出版日期:2014-06-15 发布日期:2014-06-15
基金资助:
Project supported by the National Basic Research Program of China (Grant No. 2013CB733004).

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

Wei Cheng (魏承)^a, Gang Tie-Qiang (冮铁强)^b, Chen Li-Jie (陈立杰)^b, Zhao Yang (赵阳)^a

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

Received:2013-07-23 Revised:2013-12-02 Online:2014-06-15 Published:2014-06-15
Contact: Gang Tie-Qiang, Chen Li-Jie E-mail:gangtq@xmu.edu.cn;chenlijie@xmu.edu.cn
Supported by:
Project supported by the National Basic Research Program of China (Grant No. 2013CB733004).

摘要/Abstract

摘要： 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.

关键词: Taylor cone, cone-jet, electrohydrodynamics, numerical computation

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.

Key words: Taylor cone, cone-jet, electrohydrodynamics, numerical computation

中图分类号: (Surface-tension-driven instability)

47.20.Dr

47.55.db (Drop and bubble formation) 47.55.nb (Capillary and thermocapillary flows) 47.65.-d (Magnetohydrodynamics and electrohydrodynamics)

魏承, 冮铁强, 陈立杰, 赵阳. Critical condition for the transformation from Taylor cone to cone-jet[J]. 中国物理B, 2014, 23(6): 64702-064702.

Wei Cheng (魏承), Gang Tie-Qiang (冮铁强), Chen Li-Jie (陈立杰), Zhao Yang (赵阳). Critical condition for the transformation from Taylor cone to cone-jet[J]. Chin. Phys. B, 2014, 23(6): 64702-064702.

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

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

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