Molecular dynamics-continuum hybrid simulation for the impingement of droplet on a liquid film

Wen Jing Zhou; Zhi Qiang Yu; Zhong Zhen Li; Ya Ling He; Wen Quan Tao

doi:10.1080/10407782.2014.986403

Molecular dynamics-continuum hybrid simulation for the impingement of droplet on a liquid film

Wen Jing Zhou
, Zhi Qiang Yu
, Zhong Zhen Li
, Ya Ling He
, Wen Quan Tao

Xi'an Jiaotong University

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

A molecular dynamics-continuum hybrid method is used to study the droplet impingement process on a liquid film. The hybrid code is validated by simulating the sudden-start Couette flow and unsteady heat transfer problem. The impingement process is strongly affected by Weber number. At low Weber number, the evolution of the crown after droplet impingement is stable, while at high Weber number the secondary droplets emerge and the splash phenomenon occurs. The effect of liquid film thickness on the evolution of crown diameter is also investigated.

Original language	English
Pages (from-to)	512-525
Number of pages	14
Journal	Numerical Heat Transfer; Part A: Applications
Volume	68
Issue number	5
DOIs	https://doi.org/10.1080/10407782.2014.986403
State	Published - 2 Sep 2015

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abstract = "A molecular dynamics-continuum hybrid method is used to study the droplet impingement process on a liquid film. The hybrid code is validated by simulating the sudden-start Couette flow and unsteady heat transfer problem. The impingement process is strongly affected by Weber number. At low Weber number, the evolution of the crown after droplet impingement is stable, while at high Weber number the secondary droplets emerge and the splash phenomenon occurs. The effect of liquid film thickness on the evolution of crown diameter is also investigated.",

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AU - Li, Zhong Zhen

AU - He, Ya Ling

AU - Tao, Wen Quan

PY - 2015/9/2

Y1 - 2015/9/2

N2 - A molecular dynamics-continuum hybrid method is used to study the droplet impingement process on a liquid film. The hybrid code is validated by simulating the sudden-start Couette flow and unsteady heat transfer problem. The impingement process is strongly affected by Weber number. At low Weber number, the evolution of the crown after droplet impingement is stable, while at high Weber number the secondary droplets emerge and the splash phenomenon occurs. The effect of liquid film thickness on the evolution of crown diameter is also investigated.

AB - A molecular dynamics-continuum hybrid method is used to study the droplet impingement process on a liquid film. The hybrid code is validated by simulating the sudden-start Couette flow and unsteady heat transfer problem. The impingement process is strongly affected by Weber number. At low Weber number, the evolution of the crown after droplet impingement is stable, while at high Weber number the secondary droplets emerge and the splash phenomenon occurs. The effect of liquid film thickness on the evolution of crown diameter is also investigated.

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JO - Numerical Heat Transfer; Part A: Applications

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IS - 5

ER -

Molecular dynamics-continuum hybrid simulation for the impingement of droplet on a liquid film

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