LES, coarse LES, and transient RANS comparisons on the flow across a tube bundle
S Benhamadouche, D Laurence - International Journal of Heat and Fluid …, 2003 - Elsevier
The cross-flow in a staggered tube bundle is computed with an LES and a transient
Reynolds stress transport model (RSTM) in 2D and 3D, with two levels of grid refinement.
The numerical method is based on a finite volume approach on unstructured grids using a
collocated arrangement for all the unknowns. It is shown that the LES results on the fine
mesh are comparable to a DNS and experiments and reasonable agreement is still
achieved with a coarse mesh. The RSTM also produced satisfactory results in 3D but …
Reynolds stress transport model (RSTM) in 2D and 3D, with two levels of grid refinement.
The numerical method is based on a finite volume approach on unstructured grids using a
collocated arrangement for all the unknowns. It is shown that the LES results on the fine
mesh are comparable to a DNS and experiments and reasonable agreement is still
achieved with a coarse mesh. The RSTM also produced satisfactory results in 3D but …
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