Comparative analysis of setting velocity formulas for sand
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    Abstract:

    The setting velocity is an important parameter for the frictional loss of slurry transportation by pipelines.Several prevalent setting velocity calculation methods for sediment particle,including individual way for different flow regimes proposed by Sun Yubo,Concha’s mode based on the shape factor of particles,Nian-Sheng Cheng’s expression from regression analysis on the relationship between the drag coefficient and Reynolds number,Ahrens’s equation originated from the link between Reynolds number and Archimedes buoyancy index,Wilson’s manner built on the segment of Reynolds number of shearing force,and Weiming Wu’s formula regressed from numerous measured setting velocity of irregular particles are detailed.The calculated results of the example are given and compared with measured data extracted from other journals.Finally,setting velocity formulas are recommended for different requests.

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李铭志,何炎平,诸葛玮,黄超.泥沙颗粒沉降速度计算方法比较分析[J].水运工程,2014,(6):6-9

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  • Online: June 17,2014
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