A Monitoring System for the Slurry Flow in Horizontal Pipes.

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  • CUI Yushun
    Department of Earth Science and Technology, Faculty of Engineering and Resource Science, Akita University
  • SATO Hiroshi
    Department of Earth Science and Technology, Faculty of Engineering and Resource Science, Akita University
  • TAKEMURA Shohta
    Department of Earth Science and Technology, Faculty of Engineering and Resource Science, Akita University
  • TOZAWA Yoshihisa
    Fujitsu Tohoku Communication Systems Co.
  • SATO Isamu
    Department of Earth Science and Technology, Faculty of Engineering and Resource Science, Akita University

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Other Title
  • スラリー輸送動画化モニタリングシステム
  • スラリー ユソウ ドウガカ モニタリング システム

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Abstract

For the safety of the transportation system of a slurry pipeline, it is very important to catch the behavior of the flow in the pipe. Hydraulic pressure, mean velocity, and delivered concentration are, in general, measured for monitoring the settling slurry flow. However the flow patterns in the pipe at any moment can not directly be shown with these data. A video camera system for the monitoring is probably not useful for the opaque pipelines, or even the pipelines with transparency parts, because the flow becomes muddy under practical transport conditions.<BR>In this study, we provided a method for predicting the solid particle motion and the distributions of in-situ concentrations of the solid based on collected measurements. The method was capable of displaying the flow modes on a monitoring screen by using the random model associated with the concentration distribution of solid particles. Comparison of predicted and experimental images indicated that the proposed system was effective for monitoring solid-water mixture flows.

Journal

  • Shigen-to-Sozai

    Shigen-to-Sozai 117 (2), 109-115, 2001

    The Mining and Materials Processing Institute of Japan

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