Mass accommodation at a high-velocity water liquid-vapor interface.

Mass accommodation at a high-velocity water liquid-vapor interface.
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高速水液-蒸汽界面处的质量调节。

DOI:
10.1063/1.5091724
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发表时间:
2019
期刊:
The Journal of chemical physics
影响因子:
--
通讯作者:
P. Keblinski
P. Keblinski
中科院分区:
--
文献类型:
--
作者:
J. Nie;A. Chandra;Z. Liang;P. Keblinski

文献摘要

被引文献

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我们使用分子动力学来确定水蒸气分子与快速移动的液-气界面碰撞的质量调节系数(MAC)。该界面模仿那些存在于以大界面速度为特征的塌陷蒸汽泡中的界面。我们发现,在室温下,MAC通常接近于1,即使界面以10 km/s的速度移动,它也有一个很大的值0.79。使用一个简化的原子流体模型,我们探讨了蒸汽分子界面碰撞规则的压力,温度和密度的蒸汽受到传入的高速液体-蒸汽界面的后果。
We use molecular dynamics to determine the mass accommodation coefficient (MAC) of water vapor molecules colliding with a rapidly moving liquid-vapor interface. This interface mimics those present in collapsing vapor bubbles that are characterized by large interfacial velocities. We find that at room temperature, the MAC is generally close to unity, and even with interfaces moving at 10 km/s velocity, it has a large value of 0.79. Using a simplified atomistic fluid model, we explore the consequences of vapor molecule interfacial collision rules on pressure, temperature, and density of a vapor subjected to an incoming high-velocity liquid-vapor interface.