A Pulsed NMR Study on the Flow of Fluid
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概要
- 論文の詳細を見る
Pulsed NMR experiments of Carr-Purcell-Meiboom-Gill type have beenperformed on water flowing through a circular pipe. Spin echo signals weredetected rf phase-sensitively in a highly stabilized electromagnet with a linearfield gradient. The flow patterns studied were Poiseuille flows and turbulentflows. From measurements of the first spin. echo signal amplitudes, informationon velocity profile for various flow patterns were obtained, while from those ofthe second echo information on the velocity fluctuations were obtained. Inturbulent states, measurements were performed both on the velocity componentparallel to the axis of the pipe and on that perpendicular to it. The obtaineddata on turbulent flows seem to be explained satisfactorily by a modified stochastictheory of spin echo amplitudes.
- 社団法人日本物理学会の論文
- 1979-12-15
著者
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Hirai Akira
Department Of Internal Medicine Chiba Municipal Hospital
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Fukuda Koji
Department Of Bioresources Chemistry Graduate School Of Natural Science And Technology Okayama Unive
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Fukuda Koji
Department Of Physics Faculty Of Science Kyoto University:department Of Fundamental Medicine Meiji C
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Hirai Akira
Departent Of Materials Science And Engineering Faculty Of Engineering Kyushu Institute Of Technology
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