Lagrangian coherent structures

G Haller - Annual review of fluid mechanics, 2015 - annualreviews.org
Typical fluid particle trajectories are sensitive to changes in their initial conditions. This
makes the assessment of flow models and observations from individual tracer samples …

Large eddy simulation and Euler–Lagrangian coupling investigation of the transient cavitating turbulent flow around a twisted hydrofoil

X Long, H Cheng, B Ji, REA Arndt, X Peng - International Journal of …, 2018 - Elsevier
In the present paper, large eddy simulations combined with the Zwart cavitation model are
conducted to simulate the transient cavitating turbulent flow around a Delft Twisted hydrofoil …

Numerical investigations of the energy performance and pressure fluctuations for a waterjet pump in a non-uniform inflow

X Luo, W Ye, R Huang, Y Wang, T Du, C Huang - Renewable energy, 2020 - Elsevier
As a way of exploitation and utilization of ocean energy, the waterjet pump is used in a wide
range of high-speed marine vessels over 30 knot. This paper aims to investigate the …

[图书][B] Transport Barriers and Coherent Structures in Flow Data

G Haller - 2023 - books.google.com
Transport barriers are observed inhibitors of the spread of substances in flows. The
collection of such barriers offers a powerful geometric template that frames the main …

Forced convection heat transfer around a circular cylinder in laminar flow: An insight from Lagrangian coherent structures

SL Cao, X Sun, JZ Zhang, YX Zhang - Physics of Fluids, 2021 - pubs.aip.org
The Lagrangian coherent structure (LCS) method is introduced to the convection heat
transfer problem, and the forced convection heat transfer around a circular cylinder in …

Investigation of flow instability characteristics in a low specific speed centrifugal pump using a modified partially averaged Navier–Stokes model

W Ye, X Luo, R Huang, Z Jiang… - Proceedings of the …, 2019 - journals.sagepub.com
In this study, a modified partially averaged Navier–Stokes (MPANS) model is applied to
investigate the flow instability characteristics in a low specific centrifugal pump. In MPANS …

Investigation of Lagrangian Areas of Minimal Stretching (LAMS) in a turbulent boundary layer

U Rist, M Weinschenk, C Wenzel - Journal of Fluid Mechanics, 2023 - cambridge.org
In this paper the three-dimensional finite-time Lyapunov exponent (FTLE) field of a direct
numerical simulation of a flat-plate turbulent boundary layer is analysed in several wall …

Nonlinear physics and energetic particle transport features of the beam–plasma instability

N Carlevaro, MV Falessi, G Montani… - Journal of Plasma …, 2015 - cambridge.org
In this paper we study transport features of a one-dimensional beam–plasma system in the
presence of multiple resonances. As a model description of the general problem of a warm …

TRPIV experimental study of coherent structures and their burst events in the boundary layer on JBC

S Yang, X Wang, H Wang, N Jiang - Ocean Engineering, 2023 - Elsevier
Turbulent drag on the hull surface is one of the main sources of drag during the navigation of
a ship, which is significantly influenced by the boundary layer's coherent structures. To …

Coherent structures in the actively controlled wake of a high-lift configuration

B Steinfurth, F Haucke - AIAA Journal, 2018 - arc.aiaa.org
Pulsed blowing is applied to prevent turbulent flow separation on the trailing-edge flap of a
two-element high-lift wing configuration that is based on a state-of-the-art transonic profile …