Turbulence

William R. Cotton, George Bryan, Susan C. van den Heever

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

1 Scopus citations

Abstract

This chapter addresses the small-scale, random motions (i.e., turbulence) in clouds. Because the smallest scales of motion in clouds are many orders of magnitude smaller than the characteristic length scale of clouds, then the governing equations must be filtered (i.e., averaged) to make simulation possible. The Reynolds averaging approach is examined first, and several closure models for this system are described. Then the fundamental concepts of large eddy simulation are reviewed. Subgrid condensation is also discussed, including an evaluation of some simple models using observational data.

Original languageEnglish
Title of host publicationInternational Geophysics
PublisherAcademic Press
Pages53-86
Number of pages34
EditionC
DOIs
StatePublished - 2011

Publication series

NameInternational Geophysics
NumberC
Volume99
ISSN (Print)0074-6142

Keywords

  • Filtered equations
  • Large eddy simulation
  • Reynolds averaging
  • Subgrid condensation
  • Turbulence

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