A data assimilation model for wall pressure-driven mean flow reconstruction
S Li, C He, Y Liu - Physics of Fluids, 2022 - pubs.aip.org
This study establishes a continuous adjoint data assimilation model (CADA) for the
reproduction of global turbulent mean flow from a limited number of wall pressure …
reproduction of global turbulent mean flow from a limited number of wall pressure …
Effect of geometry and Reynolds number on the turbulent separated flow behind a bulge in a channel
Turbulent flow separation induced by a protuberance on one of the walls of an otherwise
planar channel is investigated using direct numerical simulations. Different bulge …
planar channel is investigated using direct numerical simulations. Different bulge …
Parametric analysis of excited round jets-numerical study
A Tyliszczak, BJ Geurts - Flow, turbulence and combustion, 2014 - Springer
A computational analysis of excited round jets is presented with emphasis on jet bifurcation
phenomenon due to superposition of axial and flapping forcing terms. Various excitation …
phenomenon due to superposition of axial and flapping forcing terms. Various excitation …
A mathematical modeling study of the influence of small amounts of KCl solution tracers on mixing in water and residence time distribution of tracers in a continuous …
C Chen, LTI Jonsson, A Tilliander, G Cheng… - Chemical Engineering …, 2015 - Elsevier
In an earlier research (Chen et al., 2015a) a mathematical model was established to
simulate tracer mixing (a KCl solution). The predicted Residence Time Distribution (RTD) …
simulate tracer mixing (a KCl solution). The predicted Residence Time Distribution (RTD) …
Turbulent kinetic energy budgets in wall bounded flows with pressure gradients and separation
Numerical simulations are employed to investigate the turbulent kinetic energy (TKE)
budgets in turbulent channel flows with pressure gradients and separation. Incompressible …
budgets in turbulent channel flows with pressure gradients and separation. Incompressible …
LES predictions of self-sustained oscillations in homogeneous density round free jet
K Wawrzak, A Boguslawski, A Tyliszczak - Flow, Turbulence and …, 2015 - Springer
The paper presents a detailed LES analysis of turbulent round jets dominated by the
mechanism of Kelvin-Helmholtz (KH) instability and the so-called self-sustained regime …
mechanism of Kelvin-Helmholtz (KH) instability and the so-called self-sustained regime …
Controlled mixing enhancement in turbulent rectangular jets responding to periodically forced inflow conditions
A Tyliszczak, BJ Geurts - Journal of Turbulence, 2015 - Taylor & Francis
We present numerical studies of active flow control applied to jet flow. We focus on
rectangular jets, which are more unstable than their circular counterparts. The higher level of …
rectangular jets, which are more unstable than their circular counterparts. The higher level of …
Large eddy simulation predictions of absolutely unstable round hot jet
A Boguslawski, A Tyliszczak, K Wawrzak - Physics of Fluids, 2016 - pubs.aip.org
The paper presents a novel view on the absolute instability phenomenon in heated variable
density round jets. As known from literature the global instability mechanism in low density …
density round jets. As known from literature the global instability mechanism in low density …
Self-sustained oscillations in a homogeneous-density round jet
A Boguslawski, A Tyliszczak, S Drobniak… - Journal of …, 2013 - Taylor & Francis
The paper is devoted to a new phenomenon of self-sustained oscillations triggered in a
round free homogeneous-density jet. It was shown by the experimental investigations …
round free homogeneous-density jet. It was shown by the experimental investigations …
Curvature effects on the structure of near-wall turbulence
D Selvatici, M Quadrio, A Chiarini - Journal of Fluid Mechanics, 2023 - cambridge.org
The interaction between near-wall turbulence and wall curvature is described for the
incompressible flow in a plane channel with a small concave–convex–concave bump on the …
incompressible flow in a plane channel with a small concave–convex–concave bump on the …