NONINVASIVE MEASUREMENTS OF GRANULAR FLOWS BY MAGNETIC-RESONANCE-IMAGING

被引：263

作者：

NAKAGAWA, M

ALTOBELLI, SA

CAPRIHAN, A

FUKUSHIMA, E

JEONG, EK

机构：

[1] The Lovelace Institutes, Albuquerque, 87108, New Mexico

来源：

EXPERIMENTS IN FLUIDS | 1993年 / 16卷 / 01期

关键词：

D O I：

10.1007/BF00188507

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Magnetic Resonance Imaging (MRI) was used to noninvasively measure velocity and concentration of granular flows in a partially filled, steadily rotating, long, horizontal cylinder. First, rigid body motion of a cylinder filled with granular material was studied to confirm the validity of this method. Then, the density variation and the depth of the flowing layer, where particles collide and dilate, and the flow velocity profile were obtained as a function of the cylinder rotation rate.

引用

页码：54 / 60

页数：7

共 15 条

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