Random-sweeping hypothesis for passive scalars in isotropic turbulence

DOI10.1017/S0022112002008248zbMath1031.76021MaRDI QIDQ4542389

Brian L. Sawford, P. K. Yeung

Publication date: 1 August 2002

Published in: Journal of Fluid Mechanics (Search for Journal in Brave)

zbMATH Keywords

wavenumber spectrumturbulent mixingEulerian frequency spectrum

Mathematics Subject Classification ID

Dimensional analysis and similarity applied to problems in fluid mechanics (76M55) Turbulent transport, mixing (76F25) Isotropic turbulence; homogeneous turbulence (76F05)

Related Items (11)

Functional renormalisation group for turbulence ⋮ Turbulence theories and statistical closure approaches ⋮ Effects of rotation on turbulent mixing: Nonpremixed passive scalars ⋮ High Schmidt number scalars in turbulence: Structure functions and Lagrangian theory ⋮ Schmidt number effects on turbulent transport with uniform mean scalar gradient ⋮ Improved Lagrangian mixing models for passive scalars in isotropic turbulence ⋮ Test of the fluctuation relation in Lagrangian turbulence on a free surface ⋮ Passive scalar mixing: Analytic study of time scale ratio, variance, and mix rate ⋮ Area of scalar isosurfaces in homogeneous isotropic turbulence as a function of Reynolds and Schmidt numbers ⋮ On modal time correlations of turbulent velocity and scalar fields ⋮ Lagrangian intermittencies in dynamic and static turbulent velocity fields from direct numerical simulations

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