Experimental study of the pumping action of helical flow

被引：0
|
作者：
M. R. Petrichenko
N. S. Khar’kov
机构：
[1] St. Petersburg State Polytechnical University,
来源：
Technical Physics | 2009年 / 54卷
关键词：
47.60.Dx;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A decrease in hydraulic friction coefficient Σ (Darcy number) is found in the range of smooth tubes. The maximum possible decrease in Σ is observed at Φ = 0.08 for numbers ReD = VxD / ν in the range ReDx = (5.8−6.6) × 104.
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页码：1063 / 1065
页数：2
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