Non-equilibrium molecular dynamics analysis for evaporation of water including non-condensable gases

2016 Fiscal Year Final Research Report

• Project/Area Number: 15K21583
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Fluid engineering; Thermal engineering
• Research Institution: Gunma National College of Technology
• Principal Investigator: Yaguchi Hisao 群馬工業高等専門学校, 機械工学科, 講師 (20568521)
• Project Period (FY): 2015-04-01 – 2017-03-31
• Keywords: 気液界面 / 分子動力学 / 蒸発係数

Outline of Final Research Achievements

Non-equilibrium molecular dynamics simulations were carried out to investigate evaporation and condensation in vapor-liquid system including non-condensable gas. We clarified the influence of the adsorption of non-condensable gas on evaporation coefficient. It was found that as the molar fraction of the non-condensable gas increased, the adsorption and thickness of transition layer increased and the evaporation coefficient decreased. In addition, it was confirmed that the D2 power law was qualitatively valid in nanodroplets. Furthermore, Kelvin effect was observed in a fine bubble.

Free Research Field

分子流体力学