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Multiphase Science and Technology
SJR: 0.153 SNIP: 0.222 CiteScore™: 0.26

ISSN Imprimir: 0276-1459
ISSN On-line: 1943-6181

Multiphase Science and Technology

DOI: 10.1615/MultScienTechn.v29.i1-4.20
pages 182-275

MEASUREMENT AND MODELING OF FLOW PATTERN TRANSITIONS IN GAS-LIQUID SYSTEMS

A. E. Dukler
University of Houston, Chemical Engineering Department, Houston, Texas, 77204, USA
Yehuda Taitel
School of Mechanical Engineering, Tel-Aviv University, Israel

RESUMO

This paper gives a comprehensive interpretation on the flow patterns occurring in gas-liquid horizontal, inclined and vertical pipeline flows and investigates various effects on their transitions. The postulated theoretical models for prediction of flow pattern transitions in systems without mass transfer are presented in detail. For horizontal pipe flows with boiling and condensation, a modified mechanistic theory is suggested; the predicted transitions are in good agreement with the experimental data. Finally, the approaches developed by Venkateswarar et al. (1982) to modelling the flow pattern transition for two-phase flows of steam and water in vertical rod bundles are presented.


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