Theoretical Prediction of Onset of Horizontal Slug Flow

[+] Author and Article Information
Kaichiro Mishima

Research Reactor Institute, Kyoto University, Japan; Applied Physics Division, Argonne National Laboratory, Argonne, Ill. 60439

Mamoru Ishii

Reactor Analysis and Safety Division, Argonne National Laboratory, Argonne, Ill. 60439

J. Fluids Eng 102(4), 441-445 (Dec 01, 1980) (5 pages) doi:10.1115/1.3240720 History: Received October 24, 1979; Online October 26, 2009


A criterion for the onset of a slug flow in a horizontal duct is derived theoretically. A potential flow analysis is carried out by considering waves of finite amplitude. The stability criterion is obtained by introducing the wave deformation limit and the “most dangerous wave” concept in the stability analysis. The present theoretical criterion for slug formation shows very good agreement with a large number of experimental data and with some empirical correlations.

Copyright © 1980 by ASME
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