Logarithmic temperature profiles in the ultimate regime of thermal convection

S. Grossmann, Detlef Lohse

Research output: Contribution to journalArticleAcademicpeer-review

35 Citations (Scopus)


We report on the theory of logarithmic temperature profiles in very strongly developed thermal convection in the geometry of a Rayleigh-Bénard cell with aspect ratio (defined by cell width divided by cell height) Γ = 1, and discuss the degree of agreement with the recently measured profiles in the ultimate state of very large Rayleigh number flow. The parameters of the log-profile are calculated and compared with the measured ones. Their physical interpretation as well as their dependence on the radial position are discussed.
Original languageEnglish
Article number125103
Pages (from-to)125103-1-125103-8
Number of pages8
JournalPhysics of fluids
Issue number12
Publication statusPublished - 2012


  • METIS-294859
  • IR-85134


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