Abstract
Velocity distribution of a steady pipe flow was measured using magnetic resonance imaging (MRI). Aqueous solutions of carboxymetyl cellulose (CMC) containing dispersed particle (e.g. glass flake, vinylon fiber, etc) were used as test fluids. The test fluids with high volume fraction of particles showed a plug-like velocity profile at high shear rates. The velocity profiles measured by MRI agreed well with those numerically calculated from the viscosity curves. In this research, to examine the effect of disperse particles on the flow field, rectangular channel with a contraction/expansion was also used.
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