Entrainment mechanism of turbulent synthetic jet flow

C Xu, Y Long, J Wang - Journal of Fluid Mechanics, 2023 - cambridge.org
Synthetic jets have received extensive attention due to their superior mixing property.
However, its mechanisms have not been investigated from the perspective of the …

Interfaces of uniform momentum zones in turbulent boundary layers

CM De Silva, J Philip, N Hutchins… - Journal of Fluid …, 2017 - cambridge.org
In this paper we examine the characteristics of the interfaces that demarcate regions of
relatively uniform streamwise momentum in turbulent boundary layers. The analysis utilises …

Influence of freestream turbulence on the near-field growth of a turbulent cylinder wake: Turbulent entrainment and wake meandering

KS Kankanwadi, ORH Buxton - Physical Review Fluids, 2023 - APS
The effect of freestream turbulence on the spreading of the near wake of a circular cylinder
(< 11 cylinder diameters from the rear face of the cylinder) is investigated through particle …

Reynolds number dependence of the turbulent/non-turbulent interface in temporally developing turbulent boundary layers

X Zhang, T Watanabe, K Nagata - Journal of Fluid Mechanics, 2023 - cambridge.org
Reynolds number dependence of the turbulent/non-turbulent interface in temporally developing
turbulent boundary layers Page 1 J. Fluid Mech. (2023), vol. 964, A8, doi:10.1017/jfm.2023.329 …

Universal modulations of large-scale motions on entrainment of turbulent boundary layers

Y Long, J Wang, C Pan - Journal of Fluid Mechanics, 2022 - cambridge.org
The modulations of high/low-speed large-scale motions (H/L-SMs) on the turbulent/non-
turbulent interface (TNTI) and turbulent entrainment are investigated in turbulent boundary …

On the scalar turbulent/turbulent interface of axisymmetric jets

KF Kohan, SJ Gaskin - Journal of Fluid Mechanics, 2022 - cambridge.org
The effect of a zero-mean-flow turbulent ambient on the geometry of the turbulent/turbulent
interface (TTI) of an axisymmetric jet is investigated and compared with the traditional …

Spatial evolution of the turbulent/turbulent interface geometry in a cylinder wake

J Chen, ORH Buxton - Journal of Fluid Mechanics, 2023 - cambridge.org
This study aims to examine the spatial evolution of the geometrical features of the
turbulent/turbulent interface (TTI) in a cylinder wake. The wake is exposed to various …

Characterising entrainment in fountains and negatively buoyant jets

L Milton-McGurk, N Williamson, SW Armfield… - Journal of Fluid …, 2022 - cambridge.org
Turbulent fountain flow consists of two distinct stages, the initial 'negatively buoyant jet'(NBJ)
stage, and the fully developed 'fountain'stage. The present study investigates both stages of …

Characteristics of the turbulent non-turbulent interface in a spatially evolving turbulent mixing layer

G Balamurugan, A Rodda, J Philip… - Journal of Fluid …, 2020 - cambridge.org
The highly convoluted interface separating the turbulent and non-turbulent regions in a
turbulent mixing layer is experimentally investigated using the particle image velocimetry …

The dynamics of an axisymmetric turbulent jet in ambient turbulence interpreted from the passive scalar field statistics

R Sahebjam, KF Kohan, S Gaskin - Physics of Fluids, 2022 - pubs.aip.org
The effect of approximately homogeneous isotropic turbulence on the dynamics of an
axisymmetric turbulent jet (Re= 10 600 and 5800) in an ambient with a negligible mean flow …