Kinetic Theory of Evaporation and Condensation : Hydrodynamic Equation and Slip Boundary Condition
Kinetic Theory of Evaporation and Condensation : Hydrodynamic Equation and Slip Boundary Condition
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蒸发和冷凝的动力学理论：流体动力学方程和滑移边界条件
DOI：
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发表时间：
1978
期刊：
影响因子：
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通讯作者：
Y. Onishi
中科院分区：
文献类型：
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作者：
Y. Sone;Y. Onishi
本文用动力学理论研究了气体与任意形状的凝聚相接触时的稳态行为。系统的Knudsen数在假定气体分子的平均自由程除以系统的特征长度为相当小的情况下，导出了气体宏观量速度、温度和压力的流体力学方程及其在气体与其凝聚相界面上的边界条件，并给出了两个简单的例子。（球的蒸发、蒸发和凝结的两面问题）。
The steady behavior of a gas in contact with its condensed phase of arbitrary shape is investigated on the basis of kinetic theory. The Knudsen number of the system (the mean free path of the gas molecules divided by the characteristic length of the system) being assumed to be fairly small, the hydrodynamic equations for the macroscopic quantities, the velocity, temperature, and pressure, of the gas and their boundary conditions on the interface of the gas and its condensed phase are derived, and two simple examples (evaporation from a sphere, two-surface problem of evaporation and condensation) are worked out.