Large Eddy Simulation of a flow through circular tube bundle

The Large Eddy Simulation approach is used to perform a numerical simulation of a flow around a circular tube bundle. The model uses the immersed boundaries technique to represent tube geometry in the Cartesian grid. Simulation is conducted in an area away from the boundaries, where the flow is considered homogenous and, thus, the three Cartesian directions are considered periodic. The results are compared with experimental data in terms of mean velocity and turbulence quantities, showing good agreement in general.

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