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Turbulence pp 87-92 | Cite as

Rayleigh-Bénard Turbulent Convection

  • A. Tilgner
  • A. Belmonte
  • A. Libchaber
Part of the NATO ASI Series book series (NSSB, volume 341)

Abstract

Rayleigh-Bénard convection is the flow of a fluid enclosed in a cell with bottom and top boundaries kept at fixed temperatures, the bottom being warmer than the top. Since the fluid in the vicinity of the bottom plate is warmer and therefore less dense than fluid in the upper part of the cell, an unstable layering ensues. Laboratory studies of convection have been chiefly confined to situations in which the “Boussinesq approximation” is justified. This is an approximation to the full equations of motion, which retains the temperature dependence of the density only in the buoyancy term and considers all other material properties to be uniform throughout the cell.

Keywords

Boundary Layer Rayleigh Number Turbulent Boundary Layer Thermal Boundary Layer Large Scale Flow 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1995

Authors and Affiliations

  • A. Tilgner
    • 1
  • A. Belmonte
    • 1
  • A. Libchaber
    • 2
  1. 1.Physics DepartmentPrinceton UniversityPrincetonUSA
  2. 2.NEC Research InstitutePrincetonUSA

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