Correlation of Adiabatic Two-Phase Pressure Drop Data Using the Frictional Law of Corresponding States

[+] Author and Article Information
N. T. Obot, M. W. Wambsganss, D. M. France, J. A. Jendrzejczyk

Materials and Components Technology Division, Argonne National Laboratory, Argonne, IL 60439

J. Fluids Eng 115(2), 317-323 (Jun 01, 1993) (7 pages) doi:10.1115/1.2910141 History: Received January 24, 1992; Revised September 18, 1992; Online May 23, 2008


A method, based on that developed for single-phase flow, is proposed for the correlation of two-phase frictional pressure drop data. It is validated using air-water data obtained on small horizontal passages of rectangular and circular cross-section for values of total mass flux G in the 50-2000 kg/m2 s range. The pressure drop for air-water mixtures can be predicted from the proposed correlations provided the critical quality (or superficial gas Reynolds number) and the critical pressure gradient for transition from bubble/plug-to-slug flow are known. A comparison of the proposed method with that of Lockhart and Martinelli is presented and discussed.

Copyright © 1993 by The American Society of Mechanical Engineers
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