年次大会講演論文集
Online ISSN : 2433-1325
セッションID: K-1220
会議情報
K-1220 磁気共鳴イメージングによる急縮流チャネル内粘土流動の計測(S17-5 複雑流体の流れ)(S17 非ニュートン流体の複雑流路内の流れ)
津島 将司長谷川 敦司末包 哲也平井 秀一郎田中 孔浩中筋 善淳
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会議録・要旨集 フリー

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抄録
Magnetic Resonance Imaging(MRI) is applied to measure velocity inside clay that intrudes at a sudden contraction step. The experiments were conducted with a specially-designed non-magnetic apparatus on which two type of contraction step can be assembled. It is demonstrated that a tagging pulse method gives satisfactory MR images of clay which leads to measure fluid velocity of clay in a quantitative manner. It is also revealed that slip velocity between clay and wall depends on fluid velocity, that is of importance to conduct numerical simulation in determining boundary condition. Finally, expeirmental data are compared with those obtained by numeical calculation where power-law model were applied to clay as non-Newtonian fluid.
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© 2001 一般社団法人日本機械学会
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