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Wall shear stress in an upward slug flow in a vertical tube

Wall shear stress in an upward slug flow in a vertical tube This paper deals with wall shear stress in an upward gas-liquid slug flow inside a vertical tube. Local characteristics were measured by the electrodiffusion method. The method of conditional averaging over realization ensemble was used, and this allows distinguishing large-scale structures on the background of turbulent pulsation of liquid. While averaging, each slug velocity measured by a double probe of electric conductivity was taken into account. Averaged distributions of shear stress over the wall under a gas slug were obtained for different mode parameters. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Thermophysics and Aeromechanics Springer Journals

Wall shear stress in an upward slug flow in a vertical tube

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Publisher
Springer Journals
Copyright
Copyright © O.N. Kasinsky, A.S. Kurdyumov, and V.V. Randin 2006
ISSN
0869-8643
eISSN
1531-8699
DOI
10.1134/s0869864306030073
Publisher site
See Article on Publisher Site

Abstract

This paper deals with wall shear stress in an upward gas-liquid slug flow inside a vertical tube. Local characteristics were measured by the electrodiffusion method. The method of conditional averaging over realization ensemble was used, and this allows distinguishing large-scale structures on the background of turbulent pulsation of liquid. While averaging, each slug velocity measured by a double probe of electric conductivity was taken into account. Averaged distributions of shear stress over the wall under a gas slug were obtained for different mode parameters.

Journal

Thermophysics and AeromechanicsSpringer Journals

Published: Sep 1, 2006

Keywords: Wall Shear Stress; Slug Flow; Vertical Tube; Superficial Velocity; Wall Shear Stress Distribution

References