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A statistical approach to energy loss during gas-liquid collisions

机译:气液碰撞过程中能量损失的统计方法

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摘要

A novel theoretical approach to collisional energy exchange during a gas-liquid collision is outlined for the case of a light, fast incoming atom. The method differs from the usual ballistic models of energy exchange in that the energy loss is statistically inferred from the eventual response of the liquid surface to the collision, rather than by directly considering the mechanics of energy transfer into the surface. With this approach, we obtain simple, accurate formulas for the average collisional energy loss and trapping probability of the incoming atom. We also present a graphical method for determining the well depth of the gas-liquid potential.
机译:针对轻,快速进入的原子,提出了一种在气液碰撞过程中进行碰撞能量交换的新颖理论方法。该方法与通常的能量交换弹道模型的不同之处在于,从液体表面对碰撞的最终响应中可以统计地推断出能量损失,而不是直接考虑将能量转移至表面的机制。通过这种方法,我们获得了简单,准确的公式,用于平均碰撞能量损失和入射原子的俘获概率。我们还提出了一种确定气液势井深度的图形方法。

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