Measurements of electrorheological fluid flow through a rectangular channel using nuclear magnetic resonance imaging
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abstract
Nuclear magnetic resonance imaging (NMRI) techniques are used to measure velocity profiles in the steady flow of an electrorheological (ER) fluid through a channel of rectangular cross section. The measured velocity profiles are presented, and compared with those predicted by the Bingham-plastic model. Results show that the model accurately predicts the velocity profiles so long as the flow conditions are such that particle chain formation is not widespread.