Numerical simulation of solidliquid flow of Yangtze River water in a semiannulus reentry tube
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Abstract:
The flow of Yangtze River water in a semiannulus reentry tube was numerically simulated using a Eulerian Twophase Flow Model and computational fluid dynamics. The results show that, for Reynolds number Re=28×104, silt particles with representative diameter ds=0030 3 mm are separated in reentry tubes of all curvature (R/r) sizes, while silt particles with ds=0010 2 mm separate only slightly. Silt particles with ds=0108 5 mm, which posses a strong separation effect, are separated relatively less in reentry tubes of R/r=10~40 than in tubes with other R/r sizes.
