Molecular Dynamics Simulation on Interface Characteristics of Micro Droplets
YANG Chun, CHEN Min, GUO Zeng-yuan
Department of Engineering Mechanics, Tsinghua University, Beijing 100084
Molecular Dynamics Simulation on Interface Characteristics of Micro Droplets
YANG Chun;CHEN Min;GUO Zeng-yuan
Department of Engineering Mechanics, Tsinghua University, Beijing 100084
关键词 ：
31.15.Qg ,
82.65.Dp ,
68.10.Jy
Abstract ： Liquid droplets of argon surrounded by the vapor for various temperatures have been simulated by the molecular dynamics method. Macroscopic characteristics of droplets such as density, pressure and temperature profiles are evaluated with emphasis on the temperature characteristics, which was usually regarded uniform in the surface region for an equilibrium liquid-vapor system. The 12-6 Lennard-Jones potential and periodic boundary conditions are employed in the 1000-particles three-dimensional simulation. What differs from the literatures is that the temperature in the surface region is not uniform, but exhibits a curve with two extrema. The peak and valley values are higher and lower than the bulk saturation temperature respectively. The magnitude of the peak and valley values becomes smaller when the saturation temperature is closer to the critical temperature.
Key words ：
31.15.Qg
82.65.Dp
68.10.Jy
出版日期: 1999-11-01
引用本文:
YANG Chun;CHEN Min;GUO Zeng-yuan. Molecular Dynamics Simulation on Interface Characteristics of Micro Droplets[J]. 中国物理快报, 1999, 16(11): 803-804.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y1999/V16/I11/803
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1999, Vol. 16 
