物理吸着分子を伴う固体表面における気体分子散乱の数値的研究(流体工学,流体機械)

概要

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The scattering process of Xe molecule on Pt surface with Xe adsorbates is simulated using the classical molecular-dynamics method. The transferred energy from the colliding gas molecule to other molecules at the first collision is analyzed. The characteristic of the energy transferring is compared between the result of clean surface and that with adsorbates. According to the pair of first collision on the surface, the gas molecules are divided into three groups. The distribution of transferred energy of each group is almost the normal distribution, whose average value is not affected by the coverage of the surface. Also its average of each group is in proportion of the incident energy. The transferred energy of the group, in which gas molecules was collide on the adsorbate molecules at first, is not changed even when the potential parameters varies.
社団法人日本機械学会の論文
2008-01-25