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

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/...

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Bibliographic Details
Published in:Journal of fluids engineering 1993-06, Vol.115 (2), p.317-323
Main Authors: Obot, N. T, Wambsganss, M. W, France, D. M, Jendrzejczyk, J. A
Format: Article
Language:English
Subjects:
AIR
CIRCULAR CONFIGURATION
CONFIGURATION
DUCTS
ENGINEERING
Exact sciences and technology
Flows in ducts, channels, nozzles, and conduits
Fluid dynamics
FLUID FLOW
FLUIDS
Fundamental areas of phenomenology (including applications)
GASES
HYDROGEN COMPOUNDS
OXYGEN COMPOUNDS 420400 > Engineering-- Heat Transfer & Fluid Flow
Physics
PRESSURE DROP
RECTANGULAR CONFIGURATION
TWO-PHASE FLOW
WATER
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Summary: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/m2s 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.
ISSN:0098-2202
1528-901X
DOI:10.1115/1.2910141