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   Articles with "averaged navier" as a keyword



A high‐order stabilized solver for the volume averaged Navier‐Stokes equations

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recommendations! 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
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Partially-averaged Navier–Stokes (PANS) simulations of flow separation over smooth curved surfaces

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recommendations! 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

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recommendations! 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

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recommendations! 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
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Characterization of coherent structures in turbulent wake of a sphere using partially averaged Navier–Stokes (PANS) simulations

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recommendations! 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

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recommendations! 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

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recommendations! 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

Physics-informed data-driven unsteady Reynolds-averaged Navier–Stokes turbulence modeling for particle-laden jet flows

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recommendations! Published in 2024 at "Physics of Fluids"

DOI: 10.1063/5.0206090

Abstract: With the assistance of deep learning (DL), we present a framework for predicting the turbulent eddy viscosity in unsteady Reynolds-averaged Navier–Stokes (URANS) simulations for particle-laden jet flows. We report a complete workflow from identifying the… read more here.

Keywords: particle laden; reynolds averaged; unsteady reynolds; particle ... See more keywords

Reynolds-averaged Navier–Stokes assisted direct numerical simulation of low Reynolds number flow over airfoils

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recommendations! Published in 2024 at "Physics of Fluids"

DOI: 10.1063/5.0237871

Abstract: The simulation of insect flight, like that of dragonflies operating at low Reynolds numbers, has numerical challenges due to the complex morphological structure. The corrugated airfoils trap vortices, and in these recirculation zones, turbulence models… read more here.

Keywords: direct numerical; navier stokes; reynolds averaged; simulation ... See more keywords

Rationale of partially averaged Navier–Stokes model and its applications in turbomachinery: A historical review

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recommendations! Published in 2025 at "Physics of Fluids"

DOI: 10.1063/5.0257455

Abstract: The flow patterns in the turbomachinery are highly turbulent, involving various types of unstable flow phenomena. In this paper, Reynolds-averaged Navier–Stokes simulation (RANS) as well as partially averaged Navier–Stokes (PANS), which is a hybrid turbulence… read more here.

Keywords: navier stokes; pans models; model; averaged navier ... See more keywords

Improved Reynolds-averaged Navier–Stokes modeling strategies for a compressor linear cascade with an open clearance

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recommendations! Published in 2025 at "Physics of Fluids"

DOI: 10.1063/5.0271219

Abstract: To improve aero engine efficiency, the engine core size must be minimized. This reduction increases blade tip clearance, challenging accurate performance predictions for small aspect ratio open clearance cascades using Reynolds-averaged Navier–Stokes (RANS) simulations. While… read more here.

Keywords: navier stokes; reynolds averaged; clearance; open clearance ... See more keywords