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SUMMARY:Heat transport in asymptotic limits of thermal convection - David 
 Goluskin (University of Victoria)
DTSTART:20220310T094500Z
DTEND:20220310T104500Z
UID:TALK170702@talks.cam.ac.uk
DESCRIPTION:Many predictions have been made about how heat transport in Ra
 yleigh&ndash\;B&eacute\;nard convection and related convection models scal
 es with the Rayleigh and Prandtl numbers. Only some of these predictions a
 re mathematically precise statements about asymptotic scaling\, and in mos
 t cases the correctness of each asymptotic prediction remains an open ques
 tion. I will pose some questions and conjectures about asymptotic scaling\
 , both for turbulent convection and other (possibly unstable) states. I wi
 ll survey some mathematical bounds on scalings as well as experimental and
  computational evidence\, and I will present recent computations of two ty
 pes: turbulent DNS\, and unstable steady states.
LOCATION:Seminar Room 1\, Newton Institute
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