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A lattice Boltzmann method for simulation of liquid-vapor phase-change heat transfer

机译:格子Boltzmann方法模拟液体-蒸汽相变传热

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摘要

A lattice Boltzmann model for the liquid-vapor phase change heat transfer is proposed in this paper. Two particle distribution functions, namely the density distribution function and the temperature distribution function, are used in this model. A new form of the source term in the energy equation is derived and the modified pseudo-potential model is used in the proposed model to improve its numerical stability. The commonly used Peng-Robinson equation of state is incorporated into the proposed model. The problem of bubble growth and departure from a horizontal surface is solved numerically based on the proposed model.
机译:提出了一种用于汽-液相变传热的格子玻尔兹曼模型。该模型使用了两个粒子分布函数,即密度分布函数和温度分布函数。推导了能量方程中源项的一种新形式,并在模型中使用了改进的伪势模型来提高其数值稳定性。常用的Peng-Robinson状态方程被合并到所提出的模型中。基于所提出的模型,数值地解决了气泡的增长和偏离水平面的问题。

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