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has been cited by the following article:

• TITLE: CFD Analysis of Single and Multiphase Flow Characteristics in Elbow

  AUTHORS: Quamrul H. Mazumder

  KEYWORDS: Multiphase Flow; Computational Fluid Dynamics; Elbow; Pressure Drop

  JOURNAL NAME: Engineering, Vol.4 No.4, April 26, 2012

  ABSTRACT: Computational fluid dynamics (CFD) analysis of single- phase and two-phase flow was performed in a 90 degree horizontal to vertical elbow with 12.7 mm inside diameter. Characteristic flow behavior was investigated at six different upstream and downstream locations of the elbow. To evaluate the effects of different phases, three different air veloci-ties and three different water velocities were used during this study. Commercial CFD code FLUENT was used to perform analysis of both single and multiphase flows. Pressure and velocity profiles at six locations showed an increase in pressure at the elbow geometry with decreasing pressure as fluid leaves from the elbow. Pressure drop behavior observed to be similar for single-phase and multiphase flows. Comparison of CFD results with available empirical models showed reasonably good agreement.