A new technique for the measurement of drop concentration in annular gas/liquid flow is presented. This is based on scattering of light by the drops. From the measured concentration, entrained liquid flow rate and thence the entrained fraction can be determined. The technique has been employed to obtain new data for vertical upward annular flow in a 0.038 m diameter pipe. The results have been compared with data from different pipe diameters and with the predictions of an annular flow model. [S0098-2202(00)02201-X]
Determination of Entrained Fraction in Vertical Annular Gas/Liquid Flow
Contributed by the Fluids Engineering Division for publication in the JOURNAL OF FLUIDS ENGINEERING. Manuscript received by the Fluids Engineering Division April 30, 1998; revised manuscript received December 6, 1999. Associate Technical Editor: F. Wasden.
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Azzopardi, B. J., and Zaidi, S. H. (December 6, 1999). "Determination of Entrained Fraction in Vertical Annular Gas/Liquid Flow ." ASME. J. Fluids Eng. March 2000; 122(1): 146–150. https://doi.org/10.1115/1.483236
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