Dispersion measurements using time-of-flight remote detection MRI

被引：5
作者：
Granwehr, Josef [1 ]
Harel, Elad
Hilty, Christian
Garcia, Sandra
Chavez, Lana
Pines, Alex
Sen, Pabitra N.
Song, Yi-Qiao
机构：
[1] Univ Nottingham, Sch Phys & Astron, Sir Peter Mansfield Magnet Resonance Ctr, Nottingham NG7 2RD, England
[2] Schlumberger Doll Res Ctr, Cambridge, MA 02139 USA
[3] Lawrence Berkeley Lab, Mat Sci Div, Berkeley, CA 94720 USA
[4] Univ Calif Berkeley, Berkeley, CA 94720 USA
来源：
MAGNETIC RESONANCE IMAGING | 2007年 / 25卷 / 04期
关键词：
magnetic resonance; imaging; remote detection; dispersion; flow; time of flight;
D O I：
10.1016/j.mri.2006.11.011
中图分类号：
R8 [特种医学]; R445 [影像诊断学];
学科分类号：
1002 ; 100207 ; 1009 ;
摘要：
Remote detection nuclear magnetic resonance and magnetic resonance imaging can be used to study fluid flow and dispersion in a porous medium from a purely Eulerian point of view (i.e., in a laboratory frame of reference). Information about fluid displacement is obtained on a macroscopic scale in a long-time regime, while local velocity distributions are averaged out. It is shown how these experiments can be described using the common flow propagator formalism and how experimental data can be analyzed to obtain effective porosity, flow velocity inside the porous medium, fluid dispersion and flow tracing of fluid. (C) 2007 Elsevier Inc. All rights reserved.
引用
收藏
页码：449 / 452
页数：4
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