流体机械

1988, (06) 1-6+64

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水力旋流器内单相液体速度场的研究
A Study on Velocity Field of Liquid in Hydrucyclons

孙启才,雷明光,陈文梅
Sun Qicai et al

摘要(Abstract):

采用激光多普勒测速原理直接测量了透明旋流器内的流体径向速度分量。通过因次分析方法导出了径向速度雷诺数的经验公式。试验结果表明,Kelsall1952年提出的径向速度分布规律是不正确的。将Stokes定律和BBO方运用于固体颗粒的沉降过程,解释了旋流器内流体的径向速度分量对沉降过程的影响。
Radial velocity component of water was measured directly by laser Doppler measurement in a transparent hydrocyclone, and an empirical formula of the radial velocity Reynold's number was derived from the dimensional analysis method. The results of experiment showed that the profiles of radial velocity component of water in a hydrocyclone proposed by Kelsall in 1952 was wrong. Applying Stokes' law and BBO equation to the settling process of solid particles, the effect of radial velocity component of water in a hydrocyclone on the settling process was explained.

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基金项目(Foundation): 国家自然科学基金

作者(Author): 孙启才,雷明光,陈文梅
Sun Qicai et al

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