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首页> 外文会议>Third International Conference on Measurement and Control of Granular Materials (MCGM'93) October 15-17, 1993 Shenyang, P. R. China >Velocity separation in two-phase flow and its measurement using cross-correlation method
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Velocity separation in two-phase flow and its measurement using cross-correlation method

机译：两相流中的速度分离及其互相关法测量

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摘要

This paper discusses the velocity separation in two-phase flow and the application of corss-corelation technique in two-phase flow measurement. In the case of large density difference, there is a velocity separation between different media, making the measurement more difficult, cross-correlation method is still usable. Two typical forms of velocity separation are described. Some useful conclusions are drawn from the experimental results in a liquid-gas two-phase flow pipes. In vertical pipes, the deviation of the phase distribution is avoided, and the flow distributions are more radially symmetrical, making the flow velocity measurement easier than in the case of horizontal flow. Generally, the results of corss-correlation measurement are closely related to the velocity of the carried medium.
机译：本文讨论了两相流中的速度分离以及corss-corelation技术在两相流测量中的应用。在密度差较大的情况下，不同介质之间存在速度分离，使测量更加困难，互相关方法仍然可用。描述了速度分离的两种典型形式。从液-气两相流管的实验结果可以得出一些有用的结论。在垂直管中，避免了相分布的偏差，并且流分布更加径向对称，这使得流速测量比水平流更容易。通常，corss-correlation测量的结果与所载介质的速度密切相关。

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