Critical condition for the transformation from Taylor cone to cone-jet |
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Institution: | 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 |
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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. |
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Keywords: | Taylor cone cone-jet electrohydrodynamics numerical computation |
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