Non-equilibrium turbulence scalings and self-similarity in turbulent planar jets

G Cafiero, JC Vassilicos - Proceedings of the Royal …, 2019 - royalsocietypublishing.org
We study the self-similarity and dissipation scalings of a turbulent planar jet and the
theoretically implied mean flow scalings. Unlike turbulent wakes where such studies have …

Flows over periodic hills of parameterized geometries: A dataset for data-driven turbulence modeling from direct simulations

H Xiao, JL Wu, S Laizet, L Duan - Computers & Fluids, 2020 - Elsevier
Computational fluid dynamics models based on Reynolds-averaged Navier–Stokes
equations with turbulence closures still play important roles in engineering design and …

[HTML][HTML] Xcompact3D: An open-source framework for solving turbulence problems on a Cartesian mesh

P Bartholomew, G Deskos, RAS Frantz, FN Schuch… - SoftwareX, 2020 - Elsevier
Xcompact3D is a Fortran 90–95 open-source framework designed for fast and accurate
simulations of turbulent flows, targeting CPU-based supercomputers. It is an evolution of the …

The turbulence cascade in the near wake of a square prism

FA Portela, G Papadakis, JC Vassilicos - Journal of Fluid Mechanics, 2017 - cambridge.org
We present a study of the turbulence cascade on the centreline of an inhomogeneous and
anisotropic near-field turbulent wake generated by a square prism at a Reynolds number of …

High-Reynolds-number wake of a slender body

JL Ortiz-Tarin, S Nidhan, S Sarkar - Journal of Fluid Mechanics, 2021 - cambridge.org
High-Reynolds-number wake of a slender body Page 1 J. Fluid Mech. (2021), vol. 918, A30,
doi:10.1017/jfm.2021.347 High-Reynolds-number wake of a slender body JL Ortiz-Tarin1, S …

Unsteady turbulence cascades

S Goto, JC Vassilicos - Physical Review E, 2016 - APS
We have run a total of 311 direct numerical simulations (DNSs) of decaying three-
dimensional Navier-Stokes turbulence in a periodic box with values of the Taylor length …

Large-scale streaks in a turbulent bluff body wake

A Nekkanti, S Nidhan, OT Schmidt… - Journal of Fluid …, 2023 - cambridge.org
A turbulent circular disk wake database (Chongsiripinyo & Sarkar, J. Fluid Mech., vol. 885,
2020) at Reynolds number streamwise vortices, which leads to streak formation through the …

Detecting nonequilibrium states in atmospheric turbulence

M Wacławczyk, JL Nowak, H Siebert… - Journal of the …, 2022 - journals.ametsoc.org
In this work we show how to retrieve information about temporal changes of turbulence in
the atmosphere based on in situ wind velocity measurements performed by aircraft. We …

Dissipation in unsteady turbulence

WJT Bos, R Rubinstein - Physical Review Fluids, 2017 - APS
Recent experiments and simulations have shown that unsteady turbulent flows display a
universal behavior at short and intermediate times, different from classical scaling relations …

A turbulence dissipation inhomogeneity scaling in the wake of two side-by-side square prisms

JG Chen, C Cuvier, JM Foucaut, Y Ostovan… - Journal of Fluid …, 2021 - cambridge.org
We experimentally study how the turbulent energy dissipation rate scales in the cross-
stream direction of turbulent wake flows generated by two side-by-side square prisms. We …