Drag reduction in two-phase vertical transport of spherical beads on dilute polymer solution

机译：稀聚合物溶液中球形珠粒两相垂直输送中的减阻作用

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An experimental investigation is conducted to study drag reduction in a 2-phase vertically upward hydraulic transport of galss bead particles of 30-40 mesh in size in a dilute polymer solution. The particles are nearly spherical. The experiment was conducted with a clear PVD pipe 2.54 cm in diameter. pressure droops and average flow rates were measured in the reynolds number range of 10 sup 4 < Re< 10 sup 5. The results of water and 2-phase particle-water mixture flows, both with and without polymer additives, show that dilute polymer solutions can signficantly reduce pressure gradients of not only water but also water-particle mixture flows in the higher reynolds-number range; drag reduction is as much as 80

机译：进行实验研究以研究稀聚合物溶液中尺寸为30-40目的加勒珠子颗粒在垂直向上的两相水力输送中的阻力减小。颗粒接近球形。用直径为2.54厘米的透明PVD管进行实验。在10 sup 4

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来源
《Slurry handling and pipeline transport : Hydrotransport 14》|1999年|p.601-614|共14页
会议地点 Maastricht(NL)
作者
J.S.CHung; G.Yarim; H.Savasci;
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原文格式 PDF
正文语种 eng
中图分类综合运输;
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Drag reduction in two-phase vertical transport of spherical beads on dilute polymer solution

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