A bilateral approach to the analysis of turbulent flow in an annulus

Min, Taegee; Hoffman, H.W.; Peebles, F.N.

doi:10.1016/0029-5493(71)90056-2

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1974

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“…Ratkowsky (1966) extended the equations of Levy (1967), Roberts (1967), Michiyoshi & Nakajima (1968) and Graber (1970) calculated the position of maximum velocity using the Kays-Leung equation. Clump & Kwasnoski (1968)' Eifler (1968Eifler ( , 1969 and Min, Hoffman & Peebles (1971) performed their calculations by modifying the constants of the law of the wall through an evaluation of the experimental results of Brighton.…”

Section: Theoretical Investigationsmentioning

confidence: 99%

Turbulent flow in smooth concentric annuli with small radius ratios

Rehme¹

1974

J. Fluid Mech.

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Fully developed turbulent flow through three concentric annuli was investigated experimentally for a Reynolds-number rangeRe= 2 × 104−2 × 105. Measurements were made of the pressure drop, the positions of zero shear stress and maximum velocity, and the velocity distribution in annuli of radius ratios α = 0.02, 0.04 and 0.1, respectively. The results for the key problem in the flow through annuli, the position of zero shear stress, showed that this position is not coincident with the position of maximum velocity. Furthermore, the investigation showed the strong influence of spacers on the velocity and shear-stress distributions. The numerous theoretical and experimental results in the literature which are based on the coincidence of the positions of zero shear stress and maximum velocity are not in agreement with reality.

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Section: Theoretical Investigationsmentioning

confidence: 99%

Turbulent flow in smooth concentric annuli with small radius ratios

Rehme¹

1974

J. Fluid Mech.

View full text Add to dashboard Cite

show abstract

A bilateral approach to the analysis of turbulent flow in an annulus

Cited by 1 publication

References 9 publications

Turbulent flow in smooth concentric annuli with small radius ratios

Turbulent flow in smooth concentric annuli with small radius ratios

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