Detailed Measurements of Vertical Annular Two-Phase Flow—Part II: Gas Core Turbulence

[+] Author and Article Information
B. J. Azzopardi

Department of Chemical Engineering, University of Nottingham, Nottingham, NG7 2RD U.K.

J. C. F. Teixeira

Escola de Engenheria, Universidade do Minho, Braga, Portugal

J. Fluids Eng 116(4), 796-800 (Dec 01, 1994) (5 pages) doi:10.1115/1.2911852 History: Received October 07, 1993; Revised February 15, 1994; Online May 23, 2008


Laser anemometry techniques have been employed to measure gas velocities in annular two-phase flow. Mean velocities and Reynold’s stresses in the gas appear to be similar to those in corresponding rough pipes. However, turbulence intensities are higher than the values corresponding to flow over a wall with a roughness equivalent to the film interface.

Copyright © 1994 by The American Society of Mechanical Engineers
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