Guided-jet waves
Guided-jet waves have been shown to close resonance loops in a myriad of problems such
as screech and impingement tones in jets. These discrete, upstream-travelling waves have …
as screech and impingement tones in jets. These discrete, upstream-travelling waves have …
Experimental study of turbulent-jet wave packets and their acoustic efficiency
This paper details the statistical and time-resolved analysis of the relationship between the
near-field pressure fluctuations of unforced, subsonic free jets (0.4≤ M≤ 0.6) and their far …
near-field pressure fluctuations of unforced, subsonic free jets (0.4≤ M≤ 0.6) and their far …
Efficient global resolvent analysis via the one-way Navier–Stokes equations
Resolvent analysis is a powerful tool for modelling and analysing transitional and turbulent
flows and, in particular, for approximating coherent flow structures. Despite recent …
flows and, in particular, for approximating coherent flow structures. Despite recent …
Scalable resolvent analysis for three-dimensional flows
Resolvent analysis is a powerful tool for studying coherent structures in turbulent flows.
However, its application beyond canonical flows with symmetries that can be used to …
However, its application beyond canonical flows with symmetries that can be used to …
A critical assessment of the parabolized stability equations
The parabolized stability equations (PSE) are a ubiquitous tool for studying the stability and
evolution of disturbances in weakly nonparallel, convectively unstable flows. The PSE …
evolution of disturbances in weakly nonparallel, convectively unstable flows. The PSE …
Assessment of linear methods for analysis of boundary layer instabilities on a finned cone at mach 6
D Araya, N Bitter, BM Wheaton, O Kamal… - AIAA Aviation 2022 …, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-3247. vid Boundary-layer
instabilities of a finned cone at Mach= 6, Re= 8.4 x 10^ 6/m, and zero incidence angle are …
instabilities of a finned cone at Mach= 6, Re= 8.4 x 10^ 6/m, and zero incidence angle are …
Stochastic receptivity analysis of boundary layer flow
We utilize the externally forced linearized Navier-Stokes equations to study the receptivity of
pre-transitional boundary layers to persistent sources of stochastic excitation. Stochastic …
pre-transitional boundary layers to persistent sources of stochastic excitation. Stochastic …
Generation of sound waves by nonlinearly evolving ring-mode coherent structures on a turbulent subsonic circular jet: a comparative study of two mechanisms
Z Zhang, X Wu - Acta Mechanica Sinica, 2023 - Springer
Large-scale coherent structures are present on a subsonic turbulent circular jet and are
known to constitute an important source of jet noise. With these structures being treated as …
known to constitute an important source of jet noise. With these structures being treated as …
Unsteady flow dynamics reconstruction from mean flow and point sensors: an experimental study
This article presents a reconstruction of the unsteady behaviour of a round jet at a Reynolds
number equal to 3300, from the sole knowledge of the time-averaged flow field and one …
number equal to 3300, from the sole knowledge of the time-averaged flow field and one …
[HTML][HTML] Wavepacket models for subsonic twin jets using 3D parabolized stability equations
An extension of the classical parabolized stability equations to flows strongly dependent on
the two cross-stream spatial directions and weakly dependent on the streamwise one is …
the two cross-stream spatial directions and weakly dependent on the streamwise one is …