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Stabilization effects in flow through helically coiled pipes

✍ Scribed by K. R. Sreenivasan; P. J. Strykowski

Publisher: Springer
Year: 1983
Tongue: English
Weight: 604 KB
Volume: 1
Category: Article
ISSN: 0723-4864
DOI: 10.1007/bf00282264

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📜 SIMILAR VOLUMES

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In this paper the flow is studied of an incompressible viscous fluid through a helically coiled annulus, the torsion of its centre line being taken into account. It has been shown that the torsion affects the secondary flow and contributes to the azimuthal component of velocity around the centre lin

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## Abstract Numerical solution of steady laminar flow in helically coiled tubes of square cross section for Dean numbers from 0.8 to 307.8 reveal two regimes of secondary flow. Up to Dean number of 100, the expected secondary flow pattern appears with twin counterrotating vortices. Above Dean numbe

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## Abstract The numerical method of Part I is extended to study periodic laminar flow in helically coiled tubes of square cross section oscillating sinusoidally about their helix axis. Depending on the relative strength of the wall velocity and the velocity of flow through the tube, one of three fl

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## Abstract Laminar flow in helically coiled tubes is treated numerically. Fully developed axial and secondary velocities are calculated for both circular and elliptical cross sections. Only closely wrapped helices, that is, helices with modest pitch, are considered. Ten solutions with Deans number