April 2009

Computer Technology/Piping

Computational fluid dynamics simulation of solid–liquid slurry flow

The resulting model's predictions showed reasonably good agreement with the experimental data

Ghanta, K. C., Lahiri, S. K., National Institute of Technology

A comprehensive computational fluid dynamics (CFD) model was developed in the present study to gain insight into solid–liquid slurry flow in pipelines. The preliminary simulations highlighted the need for correct modeling of the interphase drag force. A two-dimensional model problem was then developed using CFD to understand the influence of the particle drag coefficient on the solids concentration profile. The proposed correlation was then incorporated in a two-fluid model (Euler-Euler) along with the standard  turbulence model with mixture properties to simulate the turbulent solid–liquid flow in a pipeline. A computational model was mapped on to a commercial CFD solver

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