使用交叉公式的跨临界CO2流动的晶格玻尔兹曼伪势多相模拟

IF 9 1区地球科学 Q1 ENERGY & FUELS

Advances in Geo-Energy Research Pub Date : 2022-10-24 DOI:10.46690/ager.2022.06.12

Assetbek Ashirbekov, Bagdagul Kabdenova, A. Kuljabekov, E. Monaco, Wen Wang, L. Rojas-Solórzano

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引用次数: 1

摘要

：本报告总结了我们最近在晶格玻尔兹曼方法中实现的交叉公式及其在水饱和多孔介质中跨临界CO2封存建模中的应用。Peng-Robinson状态方程的交叉增强提高了预测跨临界条件下流体性质的准确性，这与CO2封存建模有关。交叉公式使液-汽共存曲线的预测更接近实验数据。通过多次试验验证了该配方，并将其应用于在多种条件下均质多孔介质中H2 O与CO2的置换模型。这项研究为提高格子Boltzmann方法在使用实际跨临界条件模拟含水层跨临界CO2封存方面的准确性提供了一种很有前途的策略

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Lattice Boltzmann pseudopotential multiphase modeling of transcritical CO2 flow using a crossover formulation

: This report summarizes our recent implementation of a crossover formulation in the lattice Boltzmann method and its application in modeling transcritical CO 2 sequestration in water-saturated porous media. A crossover enhancement of the Peng-Robinson equation of state increases the accuracy in predicting ﬂuid properties in transcritical conditions, which is relevant in modeling CO 2 sequestration. The crossover formulation leads to the prediction of liquid-vapor coexistence curves closer to experimental data. The formulation was validated with several tests and applied to model the displacement of H 2 O with CO 2 in a homogeneous porous medium in multiple conditions. This investigation provides a promising strategy for improving the accuracy of the lattice Boltzmann method in modeling transcritical CO 2 sequestration in aquifers using realistic transcritical conditions

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来源期刊

Advances in Geo-Energy Research natural geo-energy (oil, gas, coal geothermal, and gas hydrate)-Geotechnical Engineering and Engineering Geology

CiteScore

12.30

自引率

8.50%

发文量

审稿时长

2~3 weeks

期刊介绍： Advances in Geo-Energy Research is an interdisciplinary and international periodical committed to fostering interaction and multidisciplinary collaboration among scientific communities worldwide, spanning both industry and academia. Our journal serves as a platform for researchers actively engaged in the diverse fields of geo-energy systems, providing an academic medium for the exchange of knowledge and ideas. Join us in advancing the frontiers of geo-energy research through collaboration and shared expertise.