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A method to calculate the surface tension of a cylindrical droplet

Xiaosong Wang and Ruzeng Zhu

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The history of Laplace's equations for spherical and cylindrical droplets and the concept of dividing surface in Gibbs' thermodynamic theory of capillary phenomena are briefly reviewed. The existing theories of surface tensions of cylindrical droplets are briefly reviewed too. For cylindrical droplets, a new method to calculate the radius and the surface tension of the surface of tension is given. This method is suitable to be used by molecular dynamics simulations.


PACS

68.03.Cd Surface tension and related phenomena

68.03.Kn Dynamics (capillary waves)

47.55.nb Capillary and thermocapillary flows

65.20.-w Thermal properties of liquids

47.55.db Drop and bubble formation

61.20.Ja Computer simulation of liquid structure

Subjects

Soft matter, liquids and polymers

Fluid dynamics

Surfaces, interfaces and thin films

Dates

Issue 1 (January 2010)

Received 10 August 2009, in final form 1 September 2009

Published 4 November 2009



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