NDLI: Partially Averaged Navier-Stokes: A (k-ω)/(k-ε) Bridging Model

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Partially Averaged Navier-Stokes: A (k-ω)/(k-ε) Bridging Model

Content Provider	MDPI
Author	Frendi, Abdelkader Harrison, Christopher
Copyright Year	2020
Description	A new Partially Averaged Navier-Stokes (PANS) bridging model is derived from existing $(k-ω)$ and $(k-ε)$ PANS formulations. The model behaves like the PANS $(k-ω)$ model near rigid walls and like the PANS $(k-ε)$ model away from walls. The new model is tested using well-known benchmark problems; a backward-facing step representing wall-bounded flows, and a circular cylinder representing free shear flows. Our results are compared to existing experimental data and previous simulation results using PANS $(k-ω)$ and PANS $(k-ε)$ . The comparisons show our model to be superior at predicting velocity profiles in both flows. In addition, Reynolds stress predictions are also shown to improve.
Starting Page	129
e-ISSN	23115521
DOI	10.3390/fluids5030129
Journal	Fluids
Issue Number	3
Volume Number	5
Language	English
Publisher	MDPI
Publisher Date	2020-08-05
Access Restriction	Open
Subject Keyword	Fluids Marine Engineering Hybrid Rans/large Eddy Simulation (les) Partially Averaged Navier Stokes Unsteady Turbulent Flows Turbulence Modeling
Content Type	Text
Resource Type	Article

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