Speed and structure of turbulent fronts in pipe flow

Using extensive direct numerical simulations, the dynamics of laminar–turbulent fronts in pipe flow is investigated for Reynolds numbers between $Re=2000$ and 5500. We here investigate the physical distinction between the fronts of weak and strong slugs both by analysing the turbulent kinetic energy...

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Bibliographic Details
Published in:Journal of fluid mechanics 2017-02, Vol.813, p.1045-1059
Main Authors: Song, Baofang, Barkley, Dwight, Hof, Björn, Avila, Marc
Format: Article
Language:English
Subjects:
Advection
Direct numerical simulation
Eddies
Energy budget
Fluid dynamics
Fluid mechanics
Fluids
Fronts
Kinetic energy
Laminar flow
Pipe flow
Propagation
Reynolds number
Structures
Turbulence
Turbulent flow
Velocity
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