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Author: Henry Madison Morris
Publisher:
ISBN:
Category : Hydraulics
Languages : en
Pages : 324
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Book Description
Author: Henry Madison Morris
Publisher:
ISBN:
Category : Hydraulics
Languages : en
Pages : 324
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: James Mueller Robertson
Publisher:
ISBN:
Category : Fluid dynamics
Languages : en
Pages : 144
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Book Description
The considerable literature on turbulent flow past rough surfaces is correlated in terms of modes of presenting the smooth-to-rough transition and the influences of roughness density and shape. Flow measurements in a 3 in. smooth and sand roughened pipe and in an 8 in. steel pipe with 'natural' roughness are reported. The temporal-mean velocity and friction measurements show transitional (between smooth and fully rough behavior) variations. The pipe factor variation is also elucidated; the sand-roughened pipe studies indicate a shift in Nikuradse's presentation. The turbulence - as intensity divided by shear velocity and macroscale in ratio to pipe radius - in rough pipe flow appears the same in rough as in smooth pipe flow. The relative turbulence intensity is constant, or at most decreases slowly with increase in flow Reynolds number. (Author).
Author: J. Nikuradse
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 62
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Book Description
An experimental investigation is made of the turbulent flow of water in pipes with various degrees of relative roughness. The pipes range in size from 25 to 100 millimeters in diameter and from 1800 to 7050 millimeters in length. Flow velocities permitted Reynolds numbers from about 10 (sup. 4) to 10 (sup. 6). The laws of resistance and velocity distributions were obtained as a function of relative roughness and Reynolds number. Mixing length, as described by Prandtl's mixing-length formula, is discussed in relation to the experimental results.
Author:
Publisher:
ISBN:
Category : Weights and measures
Languages : en
Pages : 250
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Author: Henry Madison Morris
Publisher:
ISBN:
Category : Corrosion and anti-corrosives
Languages : en
Pages : 38
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Author:
Publisher:
ISBN:
Category : Floods
Languages : en
Pages : 178
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Author: United States. National Bureau of Standards
Publisher:
ISBN:
Category : Hydraulic engineering
Languages : en
Pages : 360
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Author: H. J. Koloseus
Publisher:
ISBN:
Category : Hydraulic engineering
Languages : en
Pages : 112
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Author:
Publisher:
ISBN:
Category : Hydraulic engineering
Languages : en
Pages : 216
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