EVALUATION OF THE SLUG FLOW PARAMETERS IN A HORIZONTAL TWO-DIMENSIONAL DUCT

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ZEYNALABEDINI MOSTAFA; ANSARI MOHAMMAD REZA

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Modares Mechanical Engineering Year:2017 | Volume:17 | Issue:4 Page(s): 349-358

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Information Journal Paper

Title

EVALUATION OF THE SLUG FLOW PARAMETERS IN A HORIZONTAL TWO-DIMENSIONAL DUCT

Author(s)

ZEYNALABEDINI MOSTAFA | ANSARI MOHAMMAD REZA | Issue Writer Certificate

Keywords

SLUGQ1

SIMULATIONQ2

VOFQ1

MIXING ZONEQ1

TURBULENCEQ2

Abstract

SLUG flow is one the most complicated flow regimes in industrial processes that is seen for a wide range of fluid flow. However, there are always a lot of differences between experimental and numerical studies on SLUG flow. Following the previous attempt on the selection of the best turbulent model for numerical SIMULATION, the SLUG flow is solved two-dimensionaly with implicit VOF method and k-e RNG turbulent model using FLUENT solver to extract the SLUG flow parameters behavior accurately.The differences of numerical SIMULATION of SLUG flow with and without turbulent model are also presented. To overcome this procedure, a new user defined function code is developed. This UDF computes and predicts SLUG parameters from FLUENT solver result without increasing the computational cost. The important SLUG parametrs are presented which are: liquid SLUG body velocity, liquid film velocity, SLUG front and tail velocity, SLUG center position and length, SLUG front and tail positions, pressure difference across SLUG, wall shear stress, SLUG mixture velocity, SLUG initiation time and position from the duct inlet. These parameters are discussed in detail, then validated.

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