Quantitative Estimates of Normalized Transmissivity and the Onset of Nonlinear Fluid Flow Through Rough Rock Fractures

被引：46

作者：

Liu, Richeng ^{[1
,2
]}

Yu, Liyuan ^{[1
]}

Jiang, Yujing ^{[2
,3
]}

机构：

[1] China Univ Min & Technol, State Key Lab Geomech & Deep Underground Engn, Xuzhou 221116, Jiangsu, Peoples R China

[2] Nagasaki Univ, Sch Engn, Nagasaki 8528521, Japan

[3] Shandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control, Shandong Prov & Minist Sci & Technol, Qingdao 266590, Peoples R China

来源：

ROCK MECHANICS AND ROCK ENGINEERING | 2017年 / 50卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Normalized transmissivity; Surface roughness; Critical hydraulic gradient; Nonlinear flow; Navier-Stokes equations; SURFACE-ROUGHNESS; HYDRAULIC CONDUCTIVITY; FRACTAL MODEL; BEHAVIOR; NETWORKS; INTERSECTIONS; TRANSPORT; GRADIENT; JOINTS; SHEAR;

D O I：

10.1007/s00603-016-1147-1

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

Four real rock samples with different surface roughnesses were prepared in a study and 20 fractures were created from these samples. The types of the four rock samples were granite, and limestone. The Navier–Stokes equations were solved to quantitatively calculate the normalized transmissivity–hydraulic gradient curves and the corresponding critical hydraulic gradient and to quantify the transition from linear to nonlinear flow regimes. The influence of the fracture surface roughness on the conductivity was analyzed.

引用

页码：1063 / 1071

页数：9

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