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2篇 您的检索式:作者名="SCHLABERG H. I."
    题名 作者 年代 出处 被引量
1MEASUREMENT OF SOLID SLURRY FLOW VIA CORRELATION OF ELECTROMAGNETIC FLOW METER,ELECTRICAL RESISTANCE TOMOGRAPHY AND MECHANISTIC MODELLING显示文摘The study presented here was carried out to obtain the actual solids flow rate by the combination of electrical resistance tomography and electromagnetic flow meter.A new in-situ measurement method based on measurements of the Electromagnetic Flow Meters(EFM) and Electrical Resistance Tomography(ERT) to study the flow rates of individual phases in a vertical flow was proposed.The study was based on laboratory experiments that were carried out with a 50 mm vertical flow rig for a number of sand concentrations and different mixture velocities.A range of sand slurries with median particle size from 212 μm to 355 μm was tested.The solid concentration by volume covered was 5% and 15%,and the corresponding density of 5% was 1078 kg/m3 and of 15% was 1238 kg/m3.The flow velocity was between 1.5 m/s and 3.0 m/s.A total of 6 experimental tests were conducted.The equivalent liquid model was adopted to validate in-situ volumetric solids fraction and calculate the slip velocity.The results show that the ERT technique can be used in conjunction with an electromagnetic flow meter as a way of measurement of slurry flow rate in a vertical pipe flow.However it should be emphasized that the EFM results must be treated with reservation when the flow pattern at the EFM mounting position is a non-homogenous flow.The flow rate obtained by the EFM should be corrected considering the slip velocity and the flow pattern.XU Jing-yu WU Ying-xiang ZHENG Zhi-chu WANG M. MUNIR B. OLUWADAREY H. I. SCHLABERG H. I. WILLIAMS R. A. 2009Journal of Hydrodynamics2009,21,4:3
2An Experimental Study of In-Situ Phase Fraction in Jet Pump Using Electrical Resistance Tomography Technique显示文摘我们执行实验在原处用电的抵抗断层摄影术(ERT ) 在 jetpump 调查阶段部分技术。有到措施的 ERT 传感器 isdesigned 的新喷气泵在原处分阶段执行部分和流动政体。学习基于在 50 公里上被执行的 laboratoryexperiments 为各种各样的气体和液体 phasesuperficial 速度的垂直流动钻塔。在喷气泵和垂直 pipeare 的煤气的液体的不同流动模式用 ERT 技术学习了。结果建议 ERT 系统能 tosuccessfully 被使用与 5 fps 的框架率与 58 fps 和 in-situphase 部分的框架率生产煤气液体的流动模式的图象能被获得。在在这个工作获得的喷气泵的喉咙的快速的 mixingprocess 的可视化为 theoreticalstudy 和喷气泵的最佳的设计提供一个可靠基础。许晶禹 王密 吴应湘 H. I. SCHLABERG 郑之初 R. A. WILLIAMS 2007Chinese Physics Letters2007,24,2:1
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