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 …
2020) at Reynolds number streamwise vortices, which leads to streak formation through the …
Transient dynamics of the precessing vortex core in an intermittently shape-transitioning swirl flame
The transient dynamics of the precessing vortex core (PVC), a globally unstable mode, in an
intermittently shape-transitioning swirl flame is investigated by means of simultaneous OH …
intermittently shape-transitioning swirl flame is investigated by means of simultaneous OH …
Global modes of variable-viscosity two-phase swirling flows and their triadic resonance
S Schmidt, K Oberleithner - Journal of Fluid Mechanics, 2023 - cambridge.org
The linear and nonlinear dynamics of two-phase swirling flows produced by the Grabowski–
Berger profile under the influence of a viscosity stratification are investigated. We perform …
Berger profile under the influence of a viscosity stratification are investigated. We perform …
Bispectral mode decomposition of axisymmetrically and non-axisymmetrically forced turbulent jets
View Video Presentation: https://doi. org/10.2514/6.2023-3651. vid Large-eddy simulations
(LES) of a turbulent unforced jet at Re=50,000 and M_j=0.4, and jets forced at azimuthal …
(LES) of a turbulent unforced jet at Re=50,000 and M_j=0.4, and jets forced at azimuthal …
On the relevance of the runner crown for flow instabilities in a Francis turbine
The precessing vortex core (PVC), also known as vortex rope, in a draft tube of a Francis-99
hydro turbine is investigated. The goal is to increase our comprehension of the root of the …
hydro turbine is investigated. The goal is to increase our comprehension of the root of the …
Nonlinear Interactions in Non-Resonant, Homogeneous Turbulent Jets
Bispectral mode decomposition is used to investigate triadic interactions within a Mach 0.4
turbulent jet. We explore its potential to identify dominant triadic interactions and their …
turbulent jet. We explore its potential to identify dominant triadic interactions and their …
[PDF][PDF] Nonlinear interactions in turbulent jets
Bispectral mode decomposition is used to investigate triadic interactions within a Mach 0.4
turbulent jet. We explore its potential to identify dominant triadic interactions and their …
turbulent jet. We explore its potential to identify dominant triadic interactions and their …
[图书][B] Algorithmic and Visual Aids for Physical Discovery Using Bispectral Mode Decomposition
JA Gonzalez - 2023 - search.proquest.com
Triadic interactions are the fundamental mechanism of energy transfer in fluid flows and
arise due to the quadratic non-linearity of the Navier-Stokes equation. The bispectral mode …
arise due to the quadratic non-linearity of the Navier-Stokes equation. The bispectral mode …