Wave-packet models for jet dynamics and sound radiation

AVG Cavalieri, P Jordan… - Applied …, 2019 - asmedigitalcollection.asme.org
Organized structures in turbulent jets can be modeled as wavepackets. These are
characterized by spatial amplification and decay, both of which are related to stability …

[HTML][HTML] A review on free miscible buoyant jets

H Hassanzadeh, SM Taghavi - Physics of Fluids, 2024 - pubs.aip.org
Buoyant jets have been a topic of interest due to their presence in various natural and
industrial phenomena, as well as in our daily lives. Covering extensive literature, our focus …

Waves in screeching jets

D Edgington-Mitchell, T Wang, P Nogueira… - Journal of Fluid …, 2021 - cambridge.org
The interaction between various wave-like structures in screeching jets is considered via
both experimental measurements and linear stability theory. Velocity snapshots of …

Absolute instability in shock-containing jets

PAS Nogueira, P Jordan, V Jaunet… - Journal of Fluid …, 2022 - cambridge.org
We present an analysis of the linear stability characteristics of shock-containing jets. The
flow is linearised around a spatially periodic mean, which acts as a surrogate for a mean …

Dynamics and bifurcations of laminar annular swirling and non-swirling jets

CM Douglas, BL Emerson, TC Lieuwen - Journal of Fluid Mechanics, 2022 - cambridge.org
This paper presents bifurcation analyses characterising the nonlinear dynamics of fully
developed laminar annular jets with respect to the centrebody diameter is increased …

Global stability of buoyant jets and plumes

RVK Chakravarthy, L Lesshafft… - Journal of Fluid …, 2018 - cambridge.org
The linear global stability of laminar buoyant jets and plumes is investigated under the low-
Mach-number approximation. For Richardson numbers in the range (plume) regimes. A …

Observed dependence of characteristics of liquid-pool fires on swirl magnitude

W Coenen, EJ Kolb, AL Sánchez, FA Williams - Combustion and Flame, 2019 - Elsevier
One dozen vertically oriented thin rectangular vanes, 62 cm tall and 15.2 cm wide, were
placed 27 cm from the center of heptane and ethanol pool fires in continuously fed, floor …

Nonlinear dynamics of fully developed swirling jets

CM Douglas, BL Emerson, TC Lieuwen - Journal of Fluid Mechanics, 2021 - cambridge.org
This paper characterises the steady and time-periodic behaviour of swirling jets using
numerical bifurcation analysis. Its objective is to elucidate the dynamics of fully developed …

A semi-supervised framework for analyzing the potential core of a low-density jet

S Park, M Lee - Flow Measurement and Instrumentation, 2024 - Elsevier
The potential core is a region of crucial hydrodynamic importance in a low-density jet. In this
study, we propose a semi-supervised data-driven method for detecting the potential core of …

Global linear stability analysis of a flame anchored to a cylinder

C Wang, L Lesshafft, K Oberleithner - Journal of Fluid Mechanics, 2022 - cambridge.org
This study investigates the linear stability of a laminar premixed flame, anchored on a
square cylinder and confined inside a channel. Many modern linear analysis concepts have …