ナノ構造物が界面エネルギ伝達へ与える影響 : 分子動力学解析(オーガナイズドセッション11 特殊場における伝熱)

概要

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Energy transfer from fluid to the surface was calculated by using the classical molecular dynamics method in order to investigate effects of surface structures in nanometer scale on the surface energy transfer numerically. Surface structures on the constant surface area were composed of several hundred atoms having the same thermal properties. Upper region in the calculation domain was controlled at a constant temperature and the solid atomic layer at lower region was controlled at a constant temperature so as to make a temperature gradient in the calculation system. Fluid molecular diffusion in the vicinity of the surface was dependent on characteristic length scale of the surface structures in nanometer scale that affected the dynamic behaviors of fluid molecules in the vicinity of the surface. The effect to fluid molecular diffusion was observed within 2nm distance in the present calculation conditions.
一般社団法人日本機械学会の論文
2004-11-10