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International Journal of Fluid Mechanics Research

ISSN Print: 1064-2277
ISSN Online: 2152-5102

International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v37.i2.60
pages 178-189

Two-Phase Slug Flow Pressure Drop in a Tee-Junction

A. T. Al-Halhouli
Technische Universitat Braunschweig, Institute for Microtechnology, Alte Salzdahlumer Str. 203, 38124 Braunschweig, Germany
Mahmoud Ahmad Hammad
University of Jordan
H. I. Abu-Mulaweh
Mechanical Engineering Department, Purdue University at Fort Wayne, Fort Wayne, IN 46805, USA
M. Alhusein
Mechanical Engineering Department, Mu'tah University, Mu'tah, Jordan
B. Shannak
Mechanical Engineering Department, Al-Balqa' University, Irbid, Jordan

ABSTRACT

An experimental test loop system was designed, developed, and constructed to study the two-phase flow field. Horizontally oriented inlet and branches piping system, with sharp edge T-junction, at a system pressure of 1 bar was investigated. Measurements of air and water mass flow rates and temperatures in slug flow regime with variable inlet mass fluxes, extraction rates, and qualities are presented. Single-phase loss coefficients were determined, correlated and compared with different proposed correlations. The statistical mean predictive accuracy of the measured pressure difference values are compared with the separated flow model and Riemann and Seeger model in the way of parity plot. Riemann and Seeger model showed better predictions with the present data. It is also concluded that the pressure difference depends on the inlet mass fluxes, inlet qualities and extraction rates, and there is a strong interdependence between the separation phenomena and the pressure distribution.