Thermochemical convection in a slowly rotating spherical shell: a transition between prograde and retrograde flows

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985530%3A_____%2F24%3A00587144" target="_blank" >RIV/67985530:_____/24:00587144 - isvavai.cz</a>
Result on the web
<a href="https://www.tandfonline.com/doi/full/10.1080/03091929.2024.2345611" target="_blank" >https://www.tandfonline.com/doi/full/10.1080/03091929.2024.2345611</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1080/03091929.2024.2345611" target="_blank" >10.1080/03091929.2024.2345611</a>

Result language
angličtina
Original language name
Thermochemical convection in a slowly rotating spherical shell: a transition between prograde and retrograde flows
Original language description
We numerically investigate thermochemically-driven convection in a spherical shell at a high Ekman number for a range of Rayleigh numbers, Prandtl numbers and buoyancy ratios. Rotating convection displays a nearly axisymmetric large-scale structure and appears mostly unaffected by the nature (thermal or chemical) of the driving buoyancy source. We observe both precession directions, prograde and retrograde, of convection structures and identify a snap-through transition between the prograde and retrograde flows in the parameter space spanned by the Rayleigh and Prandtl numbers. Equatorially wall-attached and spiralling columnar convection structures, which typically emerge in rapidly rotating shells, are not observed.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10508 - Physical geography

Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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