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Interface model for non-equilibrium evaporation

机译:非平衡蒸发的界面模型

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A microscopic interface condition for condensing/evaporating interfaces is developed by combining a velocity dependent condensation probability [T. Tsuruta, H. Tanaka, T. Masuoka, Int. J. Heat Mass Transfer 42 (1999) 4107] and Maxwell type interface conditions with accommodation. Using methods from kinetic theory, macroscopic interface conditions for mass and energy transport across the phase boundary are derived. This model only applies to simple substances, where diffusive effects in the bulk phases are not present. The results are compared to classical non-equilibrium thermodynamics. The interface conditions are considered for the limit of small deviation from equilibrium, and the corresponding Onsager coefficients are computed. These results are useful as boundary conditions for non-equilibrium evaporation and condensation problems, as done previously by our group [M. Bond, H. Struchtrup, Phys. Rev. E 70 (2004) 061605].
机译:通过结合速度相关的冷凝概率[T],开发出用于冷凝/蒸发界面的微观界面条件。 Tsuruta,H.Tanaka,T.Masuoka,国际J. Heat Mass Transfer 42(1999)4107]和麦克斯韦型带调节的界面条件。使用动力学理论的方法,得出了跨相边界进行质量和能量传输的宏观界面条件。该模型仅适用于不存在本体相扩散效应的简单物质。将结果与经典的非平衡热力学进行了比较。考虑界面条件以限制与平衡之间的小偏差,并计算相应的Onsager系数。这些结果可作为非平衡蒸发和凝结问题的边界条件,如我们小组先前所做的[M.邦德,H。Struchtrup,物理学。 E 70(2004)061605]。

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