Gas-liquid-solid Three-phase Simulation on CO2 Seeping through Marine Sediment

被引：2

作者：

Kano, Yuki ^{[1
,2
]}

Sato, Toru ^{[2
]}

机构：

[1] Geol Survey Japan, Natl Inst Adv Ind Sci & Technol, Cent 7,1-1-1 Higashi, Tsukuba, Ibaraki 3058567, Japan

[2] Univ Tokyo, Dept Ocean Technol Policy & Environm, 5-1-5 Kashiwa No Ha, Kashiwa, Chiba 2778563, Japan

来源：

13TH INTERNATIONAL CONFERENCE ON GREENHOUSE GAS CONTROL TECHNOLOGIES, GHGT-13 | 2017年 / 114卷

关键词：

Sub-seabed storage of CO2; Bubble forming; Channel forming; Gas-Liquid-Solid three-phase flow; Numerical simulation; LBM-DEM coupling;

D O I：

10.1016/j.egypro.2017.03.1470

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Saline aquifer under the seafloor is one of major options for the reservoir of CO2 geological storage. In case of a seepage, previous researches indicate that behavior of seeping CO2 significantly depends on flow rate and bubble size, which are expected to be controlled by gas migration through unconsolidated marine sediments. In this study, gas-liquid-solid three phase flow 3D simulator was developed by coupling of LBM-DEM to predict those phenomena. Simulation results indicate that channel forming through unconsolidated layer affects the behavior of gas seepage and bubble forming, and the resultant bubble migration and dissolution in the sea-water column. (C) 2017 The Authors. Published by Elsevier Ltd.

引用

页码：3385 / 3392

页数：8

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