Noninvasive 4D Flow Characterization in a Stirred Tank via Phase-Contrast Magnetic Resonance Imaging

被引：5

作者：

Janiga, Gabor ^{[1
]}

Stucht, Daniel ^{[2
,3
]}

Bordas, Robert ^{[1
]}

Temmel, Erik ^{[4
]}

Seidel-Morgenstern, Andreas ^{[4
]}

Thevenin, Dominique ^{[1
]}

Speck, Oliver ^{[2
,5
]}

机构：

[1] Otto Von Guericke Univ, Lab Fluid Dynam & Tech Flows, Univ Pl 2, D-39106 Magdeburg, Germany

[2] Otto Von Guericke Univ, Inst Expt Phys, Univ Pl 2, D-39106 Magdeburg, Germany

[3] Otto Von Guericke Univ, Inst Biometry & Med Informat, Univ Pl 2, D-39106 Magdeburg, Germany

[4] Max Planck Inst Dynam Complex Tech Syst, Sandtorstr 1, D-39106 Magdeburg, Germany

[5] Leibniz Inst Neurobiol, Brenneckestr 6, D-39118 Magdeburg, Germany

来源：

CHEMICAL ENGINEERING & TECHNOLOGY | 2017年 / 40卷 / 07期

关键词：

3D velocity measurements; Hydrodynamics; Magnetic resonance imaging; Phase-contrast technique; Stirred-tank reactor; RADIOACTIVE PARTICLE; DYNAMICS; TRACKING; SEGREGATION; VELOCIMETRY;

D O I：

10.1002/ceat.201700067

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A noninvasive quantification of the hydrodynamics in a stirred tank in space and time using flow-sensitive phase-contrast magnetic resonance imaging (PC-MRI) at 7 Tesla (7 T) is demonstrated. The PC-MRI technique is able to characterize the unsteady periodic 3D flow velocities with acceptable spatial and temporal resolution and does not imply that optically transparent fluids are employed. PC-MRI is already widely used for medical diagnostics in order to determine the blood flow velocities, e.g., for cardiovascular applications. However, its utilization for engineering problems is still new, including process engineering. Therefore, it is important to check the suitability of PC-MRI to applications of practical interest in this field and complement other flow measurement and simulation techniques.

引用

页码：1370 / 1377

页数：8

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