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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2014.1
- 수록면
- 1,089 - 1,095 (7page)
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Ultra-thin liquid films on solid substrates in contact with the saturated vapor are studied by usingmolecular dynamics simulation. The properties of evaporation and condensation of the films of variousadsorptive strengths and thicknesses are obtained during the quasi-steady film evolution. Net condensationsoccur when the ultra-thin films on the high energy surface come into contact with the saturated vapor phasebecause the normal film pressure stays lower than the saturated vapor pressure. The net condensation rate ishigher for the material combination of higher adsorptive strength. It becomes more so when the film thicknessis of a lesser size. On the other hand, that of lower adsorptive strength has lower net condensation rate anddepends less on the film thickness. Therefore, the size effect of the condensation phenomenon is moresignificant for the system of a higher adsorptive strength. This properties come from the state of ultra-thinfilm, which can be quantified by using disjoining pressure in the quasi-steady processes. These results haveimplications in practical problems concerning the moving contact line when the precursor film formation iscritical.
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참고문헌 (10)
참고문헌 신청
H.C. Andersen / 1980 / Molecular dynamics simulations at constant pressure and/or temperature / J. Chem. Phys 72 : 2384 ~ 2393
J. C. Tully / 1980 / Dynamics of gas-surface interactions : 3D generalized Langevin model applied to fcc and bcc surfaces / J. Chem. Phys 73 : 1975 ~
M. Han / 2008 / Disjoining properties of Ne and Ar on graphite surface / Colloids Surf, A Physicochem. Eng. Aspects 317 : 679 ~ 686
P. C. Wayner, Jr / 1976 / The interline heat-transfer coefficient of an evaporating wetting film / Int. J. Heat Mass Transfer 19 : 487 ~ 492
P. Yi / 2002 / Molecular dynamics simulation of vaporization of an ultra-thin liquid argon layer on a surface / Int. J. Heat Mass Transfer 45 : 2087 ~ 2100
J. C. Tully / 1980 / Dynamics of gas-surface interactions : 3D generalized Langevin model applied to fcc and bcc surfaces / J. Chem. Phys 73 : 1975 ~
M. Han / 2008 / Disjoining properties of Ne and Ar on graphite surface / Colloids Surf, A Physicochem. Eng. Aspects 317 : 679 ~ 686
P. C. Wayner, Jr / 1976 / The interline heat-transfer coefficient of an evaporating wetting film / Int. J. Heat Mass Transfer 19 : 487 ~ 492
P. Yi / 2002 / Molecular dynamics simulation of vaporization of an ultra-thin liquid argon layer on a surface / Int. J. Heat Mass Transfer 45 : 2087 ~ 2100
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