Large-eddy simulation: How large is large enough?

Large-eddy simulation: How large is large enough?

De Roode et al study by means of large-eddy simulations on a large horizontal domain the length scale evolution of various quantities in a clear convective boundary layer, a stratocumulus-topped boundary layer, and three radiatively cooled convective boundary layers. Result shows that mesoscale fluc...

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Veröffentlicht in:Journal of the atmospheric sciences 2004-02, Vol.61 (4), p.403-421
Hauptverfasser: DE ROODE, Stephan R, DUYNKERKE, Peter G, JONKER, Harm J. J
Format: Artikel
Sprache:eng
Schlagworte:
Boundary layers
Buoyancy
Earth, ocean, space
Exact sciences and technology
External geophysics
Meteorology
Simulation
Temperature
Velocity
Wind
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container_end_page 421
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container_title Journal of the atmospheric sciences
container_volume 61
creator DE ROODE, Stephan R
DUYNKERKE, Peter G
JONKER, Harm J. J
description De Roode et al study by means of large-eddy simulations on a large horizontal domain the length scale evolution of various quantities in a clear convective boundary layer, a stratocumulus-topped boundary layer, and three radiatively cooled convective boundary layers. Result shows that mesoscale fluctuations are negligibly small only for conserved variables that have an entrainment to surface flux ration close to -0.25, which is about the flux ratio for the buoyancy.
doi_str_mv 10.1175/1520-0469(2004)061<0403:lshlil>2.0.co;2
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source American Meteorological Society; Alma/SFX Local Collection; EZB Electronic Journals Library
subjects Boundary layers
Buoyancy
Earth, ocean, space
Exact sciences and technology
External geophysics
Meteorology
Simulation
Temperature
Velocity
Wind
title Large-eddy simulation: How large is large enough?
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