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首页> 外文期刊>Advanced Science Letters >Modelling and Simulation of Binary Fluid Mixture Droplet Evaporation Using Molecular Dynamics Method
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Modelling and Simulation of Binary Fluid Mixture Droplet Evaporation Using Molecular Dynamics Method

机译：用分子动力学方法建模与模拟二元液混合物液滴蒸发

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A = σB and εB/εA = 1.25. The unlike interaction parameters between molecules A and B are given by Lorentz-Berthelot mixing rules σAB = [σA + σB]/2and εAB = [εAεA]1/2. The physical situation considered is adiabatic pressure jump evaporation. The pressure jump evaporation in case evaporation of wrapped mixture droplet is applied in this simulation. First a mixturedroplet is brought into equilibrium with its vapour. Then this vapour-wrapped droplet is put into a larger empty box and the transient evaporation process is studied. The results presented are the composition of the liquid and the vapour and the number of droplet molecules as function of time.It is found that in this model only particles from the more volatile component A evaporate from the drop. Moreover, hydrodynamic quantities like density, drift velocity, and temperature are also given as functions of radial distance and time.]]>
机译：<！[CDATA [本文涉及使用分子动力学（MD）法由二元流体混合物组成的液滴蒸发的建模和模拟。认为混合物模型由Lennard-Jones（LJ）分子组成，具有切割和移位潜力。在该模拟中使用的LJ是σ a =σ b 和ε b / ε a = 1.25。不同分子A和B之间的相互作用参数由Lorentz-Berthelot混合规则σ ab = [σ a +σ b ] / 2 ε ab = [ε a ε a ] 1/2 。所考虑的物理情况是绝热压力跳跃蒸发。在该模拟中施加包裹混合物液滴的情况下的压力跳跃蒸发。首先，将混合物与其蒸气带入平衡。然后将该蒸汽包裹的液滴放入较大的空盒中，研究了瞬时蒸发过程。所呈现的结果是液体和蒸汽的组成和液滴分子的数量作为时间的函数。发现，在该模型中，仅来自更挥发性组分的颗粒从下降中蒸发。此外，还为密度，漂移速度和温度等流体动力量作为径向距离和时间的函数。]>

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