[en] Experimental evidence is provided to show the effect of gas phase dynamics on the onset of thermal convection and on the accompanying patterns in a silicone oil-air convecting bilayer. Very good agreement with three-dimensional calculations for linearized stability is obtained mostly for small and large gas heights. Reasons for this agreement as well as the results at intermediate gas heights are qualitatively explained from the perspective of well-established nonlinear analysis.
Disciplines :
Physics
Author, co-author :
Ozen, O.
Theisen, E.
Johnson, Duane T
Dauby, Pierre ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Thermodynamique des phénomènes irréversibles
Narayanan, Ranga
Language :
English
Title :
Experiments on the role of gas height in the Rayleigh-Marangoni instability problem.
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