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首页> 外文期刊>Journal of Heat Transfer >Pore-Scale Study of the Thermochemical Process in Porous Media With Immiscible Phase by Lattice Boltzmann Method
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Pore-Scale Study of the Thermochemical Process in Porous Media With Immiscible Phase by Lattice Boltzmann Method

机译：用格子Boltzmann方法对多孔介质热化学过程的孔径研究

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Reactive flow happens in carbonate rocks which are porous media during acidification. In this study, a thermochemical dissolution model based on the lattice Boltzmann method (LBM) is established to investigate the complex thermochemical process in porous media with immiscible phase at pore scale. In the model, the immiscible fluid flow, solute transport, and heat transfer are solved by Shan-Chen multicomponent LB model, mass transport LB model, and multicomponent thermal LB model, respectively. The porous media is generated by the quartet structure generation set, and the evolution of solid phase is addressed by volume of pixel (VOP) method. The detailed thermochemical process in porous media with immiscible phase is revealed, and the effects of velocity, concentration, and temperature on mass and heat transfer are further analyzed. The results show that increasing inlet velocity, inlet concentration, and temperature accelerates acidizing process and influences the temperature evolution in porous media significantly.
机译：在酸化期间是多孔介质的碳酸盐岩中发生反应流动。在该研究中，建立了一种基于晶格玻璃晶蛋白法（LBM）的热化学溶解模型，以在孔鳞在孔径中对多孔介质中的多孔介质中的复合热化学方法进行研究。在模型中，分别通过Shan-Chen多组分LB模型，质量传输LB模型和多组分热LB模型来解决不混溶的流体流动，溶质转运和传热。多孔结构产生组产生多孔介质，并且固相的演化由像素（VOP）方法的体积解决。进一步分析了具有不混溶相的多孔介质中多孔介质的详细热化学方法，并进一步分析了速度，浓度和温度对质量和热传递的影响。结果表明，增加的入口速度，入口浓度和温度加速酸化过程，并影响多孔介质的温度演化。

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