Wall-layer models for large-eddy simulations

U Piomelli - Progress in aerospace sciences, 2008 - Elsevier
The numerical simulation of high Reynolds number flows is hampered by model accuracy if
the Reynolds-averaged Navier–Stokes (RANS) equations are used, and by computational …

A critical review on the simulations of wind turbine aerodynamics focusing on hybrid RANS-LES methods

J Thé, H Yu - Energy, 2017 - Elsevier
Wind energy plays a vital role in the development sustainable energy due to its vast
availability, commercially ready technology, low cost, and great contribution to CO 2 …

A hybrid RANS-LES approach with delayed-DES and wall-modelled LES capabilities

ML Shur, PR Spalart, MK Strelets, AK Travin - … journal of heat and fluid flow, 2008 - Elsevier
A CFD strategy is proposed that combines delayed detached-eddy simulation (DDES) with
an improved RANS-LES hybrid model aimed at wall modelling in LES (WMLES). The system …

IDDES simulation of the performance and wake dynamics of the wind turbines under different turbulent inflow conditions

G Chen, XB Li, XF Liang - Energy, 2022 - Elsevier
This paper aims at investigating the effect of the inflow turbulence on the aerodynamics and
the wake instabilities of the wind turbine. The improved delayed detached eddy simulation …

Numerical analysis of aerodynamic performance of a floating offshore wind turbine under pitch motion

Y Fang, L Duan, Z Han, Y Zhao, H Yang - Energy, 2020 - Elsevier
The aerodynamic performance of wind turbines is essential to evaluate their electricity-
generating capability. Compared with the wind turbines with traditional fixed structures, the …

The transient vortex structure in the wake of an axial-symmetric projectile launched underwater

S Gao, Y Shi, G Pan, X Quan - Physics of Fluids, 2022 - pubs.aip.org
This paper provides refined wake simulations for an underwater projectile launch using an
improved delayed detached eddy simulation with the energy equation, volume of fluid, and …

Wall-modeled large-eddy simulation of transonic airfoil buffet at high Reynolds number

Y Fukushima, S Kawai - AIAA journal, 2018 - arc.aiaa.org
In this study, wall-modeled large-eddy simulation of transonic buffet phenomena over the
OAT15A supercritical airfoil at two different Mach number conditions (nonbuffet M∞= 0.715 …

On computational simulations of dynamic stall and its three-dimensional nature

NM Khalifa, A Rezaei, HE Taha - Physics of Fluids, 2023 - pubs.aip.org
In this paper, we investigate the three-dimensional nature of dynamic stall. Conducting the
investigation, the flow around a harmonically pitching National Advisory Committee for …

Effect of surge motion on rotor aerodynamics and wake characteristics of a floating horizontal-axis wind turbine

Y Fang, G Li, L Duan, Z Han, Y Zhao - Energy, 2021 - Elsevier
Aerodynamics of a floating horizontal-axis wind turbine (FHAWT) is subject to its platform's
six degrees of freedom (DOFs) motion, especially the surge motion, and may become much …

Wake topology and energy recovery in floating horizontal-axis wind turbines with harmonic surge motion

L Duan, Q Sun, Z He, G Li - Energy, 2022 - Elsevier
Floating horizontal-axis wind turbines (FHAWTs) enable us to harvest offshore wind energy
in deep water area. Although the wake structure of an FHAWT causes secondary effects on …