DYNAMIC MR IMAGING OF SINGLE- AND TWO-PHASE FLOWS

L.F.GLADDEN; B.S.AKPA; L.D.ANADONJ.J.HERASD.J.HOLLAND

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DYNAMIC MR IMAGING OF SINGLE- AND TWO-PHASE FLOWS

机译：动态成像的单身先生-和两相流

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Research in chemical engineering is inherently challenging because of the need to describe the unsteady-state behaviour of multi-phase,multi-component systems.Therefore there has been long-standing interest in developing tomographic techniques which can be applied to'look inside'chemical engineering systems and characterise hydrodynamics and chemical composition.This paper summarizes the'state-of-the-art'in ultra-fast magnetic resonance imaging applied to characterising hydrodynamics in single- and multi-phase flows.Typically'ultra-fast'data acquisition implies acquisition of a 2-D data array of 128 x 128 pixels in less than 1 s.We report recent results showing the application of MR to characterize flows in such diverse systems as immiscible liquid flow in micro-channels,gas-liquid pipe flow,granular dynamics in gas-fluidized beds and two-phase flow hydrodynamics in fixed-bed reactors.

机译：化学工程的研究是固有的具有挑战性的,因为需要描述不稳定的行为多阶段、多组分的系统。有长期的兴趣可发展的层析技术应用内'look 'chemical工程系统和描述流体动力学化学成分。超高速磁'state-of-the-art除磁共振成像应用于描述流体力学在单一和多阶段流。意味着收购128 x的二维数据数组在小于1年代128像素。先生的结果显示应用程序流等不同系统的特点非混相液体流动微细血管,气液管流,颗粒在gas-fluidized床和两相流动态在固定床反应器流体力学。

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来源
《Chemical Engineering Research & Design: Transactions of the Institution of Chemical Engineers》 |2006年第4期|272-281|共10页
作者
L.F.GLADDEN; B.S.AKPA; L.D.ANADONJ.J.HERASD.J.HOLLAND;
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作者单位

Department of Chemical Engineering,University of Cambridge,Cambridge CB2 3RA,UK;

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正文语种英语
中图分类国际共产主义运动;
关键词
multiphase flow; Imaging; TWO-PHASEHydrodynamicsChemical EngineeringREACTION ENGINEERING;

机译：多相流,成像;TWO-PHASEHydrodynamicsChemicalEngineeringREACTION工程;

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DYNAMIC MR IMAGING OF SINGLE- AND TWO-PHASE FLOWS

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