On new scaling laws in a temporally evolving turbulent plane jet using Lie symmetry analysis and direct numerical simulation

H Sadeghi, M Oberlack, M Gauding - Journal of Fluid Mechanics, 2018 - cambridge.org
A temporally evolving turbulent plane jet is studied both by direct numerical simulation
(DNS) and Lie symmetry analysis. The DNS is based on a high-order scheme to solve the …

Spatially evolving cascades in temporal planar jets

A Cimarelli, JP Mollicone, M Van Reeuwijk… - Journal of fluid …, 2021 - cambridge.org
Starting from an alternative decomposition of the turbulent field, a multi-dimensional
statistical formalism for the description and understanding of turbulence in free-shear flows …

A Kármán–Howarth–Monin equation for variable-density turbulence

CCK Lai, JJ Charonko, K Prestridge - Journal of Fluid Mechanics, 2018 - cambridge.org
We present a generalisation of the Kármán–Howarth–Monin (K–H–M) equation to include
variable-density (VD) effects. The derived equation (i) reduces to the original K–H–M …

Effects of finite hot-wire spatial resolution on turbulence statistics and velocity spectra in a round turbulent free jet

H Sadeghi, P Lavoie, A Pollard - Experiments in Fluids, 2018 - Springer
The effect of finite hot-wire spatial resolution on turbulence statistics and velocity spectra in a
round turbulent free jet is investigated. To quantify spatial resolution effects, measurements …

Examining the inertial subrange with nanoscale cross-wire measurements of turbulent pipe flow at high Reynolds number near the centreline

CP Byers, M Hultmark, I Marusic, MK Fu - Journal of Fluid Mechanics, 2021 - cambridge.org
Highly resolved, two-component velocity measurements were made near the centreline of
turbulent pipe flow for Reynolds numbers in the range). These unique data were obtained …

Turbulent round jet entrainment—a historical perspective

A Pollard - 50 Years of CFD in Engineering Sciences: A …, 2020 - Springer
The turbulent round jet is considered including the effects of introducing swirl, tabs and rings
so as to modify its behaviour. The paper traces the influence of Ricou and Spalding [J Fluid …

Two-point similarity in turbulent planar jet flows

D Ewing - International Journal of Heat and Fluid Flow, 2017 - Elsevier
A similarity analysis was performed using the governing equations for the two-point velocity
correlations and for the second order structures functions in the far field of a turbulent planar …

Local dissipation scales in turbulent jets

M Xu, KP Cheong, J Mi, A Pollard - Experimental Thermal and Fluid …, 2018 - Elsevier
This work characterizes the local dissipation length-scale η and its related quantities in
turbulent (round and square) jets. It is revealed that the probability density function (PDF) of …

[图书][B] On the scaling, structure and evolution of the near to intermediate fields of the round turbulent jet

H Sadeghi - 2016 - search.proquest.com
This thesis concerns the structure of turbulence and energy budget equations in the near to
intermediate fields of the turbulent, round free jet. A transport equation is proposed for …

[PDF][PDF] Numerical Study on the Interface Evolution of the Unsteady Supercavity Flows with a Strong Gas Jet

M Xiang, X Zhao, Z Xie - avestia.com
Artificial supercavition is one of the most prospective technique for underwater drag
reduction, but it still faces some unsolved roadblocks, like cavity stability, noise, power etc …