A high‐order stabilized solver for the volume averaged Navier‐Stokes equations
Sign Up to like & getrecommendations! Published in 2022 at "International Journal for Numerical Methods in Fluids"
DOI: 10.1002/fld.5182
Abstract: The volume‐averaged Navier‐Stokes equations are used to study fluid flow in the presence of fixed or moving solids such as packed or fluidized beds. We develop a high‐order finite element solver using both forms A… read more here.
Keywords: solver; volume averaged; averaged navier; order ... See more keywords
Partially-averaged Navier–Stokes (PANS) simulations of flow separation over smooth curved surfaces
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Heat and Fluid Flow"
DOI: 10.1016/j.ijheatfluidflow.2017.05.005
Abstract: Abstract The objective of this study is to investigate flow separation in a channel with periodic hill-shaped constrictions using the Partially-averaged Navier–Stokes (PANS) methodology. Flow Reynolds numbers based on the bulk velocity above the crest… read more here.
Keywords: flow separation; partially averaged; pans simulations; averaged navier ... See more keywords
Comparison and verification of turbulence Reynolds-averaged Navier–Stokes closures to model spatially varied flows
Sign Up to like & getrecommendations! Published in 2020 at "Scientific Reports"
DOI: 10.1038/s41598-020-76128-9
Abstract: The robustness and accuracy of Reynolds-averaged Navier–Stokes (RANS) models was investigated for complex turbulent flow in an open channel receiving lateral inflow, also known as spatially varied flow with increasing discharge (SVF). The three RANS… read more here.
Keywords: rans models; reynolds averaged; comparison verification; averaged navier ... See more keywords
The large eddy simulation capability of Reynolds-averaged Navier-Stokes equations: Analytical results
Sign Up to like & getrecommendations! Published in 2019 at "Physics of Fluids"
DOI: 10.1063/1.5085435
Abstract: A highly attractive idea to overcome shortcomings of both Reynolds-averaged Navier-Stokes (RANS) and large eddy simulation (LES) equations is the implementation of LES capability in RANS models. However, this approach faces questions regarding (i) the… read more here.
Keywords: large eddy; motion; reynolds averaged; eddy simulation ... See more keywords
Characterization of coherent structures in turbulent wake of a sphere using partially averaged Navier–Stokes (PANS) simulations
Sign Up to like & getrecommendations! Published in 2020 at "Physics of Fluids"
DOI: 10.1063/5.0024854
Abstract: The large-scale coherent structures in the wake of a sphere at subcritical Reynolds number (Re = 3700) are examined at different degrees of resolution (filter size) using scale-resolving simulations (SRS) of turbulence. The Partially averaged… read more here.
Keywords: partially averaged; wake sphere; coherent structures; averaged navier ... See more keywords
Assessment of Reynolds-averaged Navier–Stokes method for modeling the startup regime of a Darrieus rotor
Sign Up to like & getrecommendations! Published in 2021 at "Physics of Fluids"
DOI: 10.1063/5.0045083
Abstract: In this article, the suitability of the Reynolds-averaged Navier–Stokes (RANS) to predict the dynamic response in the startup process of small-scale Darrieus vertical-axis wind turbines (VAWT) was investigated. Using OpenFOAM, numerical simulations have been run… read more here.
Keywords: reynolds averaged; averaged navier; rotor; assessment reynolds ... See more keywords
Modeling and simulation of transitional Rayleigh–Taylor flow with partially averaged Navier–Stokes equations
Sign Up to like & getrecommendations! Published in 2021 at "Physics of Fluids"
DOI: 10.1063/5.0067552
Abstract: The partially-averaged Navier-Stokes (PANS) equations are used to predict the variable-density Rayleigh-Taylor (RT) flow at Atwood number 0.5 and maximum Reynolds number 500. This is a prototypical problem of material mixing featuring laminar, transitional, and… read more here.
Keywords: partially averaged; taylor flow; averaged navier; navier stokes ... See more keywords
Prediction of biological development effects on drag forces of ceramic hull coating using Reynolds-averaged Navier-Stokes-based solver.
Sign Up to like & getrecommendations! Published in 2023 at "Biofouling"
DOI: 10.1080/08927014.2023.2209020
Abstract: Abstract Ships in service feature surfaces that exhibit biofouling, which alters the hydrodynamics of the vessels, thus affecting their normal displacement and significantly increasing their fuel consumption. The application of three types of ceramic coatings… read more here.
Keywords: reynolds averaged; averaged navier; biological development; prediction biological ... See more keywords
Comparison of large eddy simulation and Reynolds-averaged Navier–Stokes evaluations with experimental tests on U-bend duct geometry
Sign Up to like & getrecommendations! Published in 2019 at "Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy"
DOI: 10.1177/0957650919855911
Abstract: The correct prediction of the flow field is of crucial importance to drive numerical optimization to a real improvement of a design. For this purpose, different numerical approaches can be used to study the fluid… read more here.
Keywords: large eddy; reynolds averaged; eddy simulation; averaged navier ... See more keywords
Assessment of the validity of RANS knock prediction using the resonance theory
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Engine Research"
DOI: 10.1177/1468087419846032
Abstract: Following the resonance theory by Bradley and co-workers, engine knock is a consequence of an auto-ignition in the developing detonation regime. Their detonation diagram was developed using direct numerical simulations and was applied in the… read more here.
Keywords: resonance theory; resonance; reynolds averaged; averaged navier ... See more keywords
Fourth AIAA High-Lift Prediction Workshop: Fixed-Grid Reynolds-Averaged Navier–Stokes Summary
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Aircraft"
DOI: 10.2514/1.c037184
Abstract: The current state-of-the-practice technology for high-lift aerodynamic simulations is to solve the Reynolds-averaged Navier–Stokes (RANS) equations on a fixed grid or a refinement sequence of fixed grids. The Fixed-Grid Reynolds-Averaged Navier–Stokes Technology Focus Group set… read more here.
Keywords: grid reynolds; reynolds averaged; high lift; averaged navier ... See more keywords