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Titel |
A finite-volume model of the differentially heated rotating annulus with implicit sub-gridscale turbulence parameterization |
VerfasserIn |
Sebastian Borchert, Felix Rieper, Ulrich Achatz, Mark Fruman |
Konferenz |
EGU General Assembly 2011
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Medientyp |
Artikel
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Sprache |
Englisch
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Digitales Dokument |
PDF |
Erschienen |
In: GRA - Volume 13 (2011) |
Datensatznummer |
250056029
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Zusammenfassung |
For over 50 years the differentially heated rotating annulus has been used as a model for the study of atmospheric dynamics in mid-latitudes. It is particularly suited for studying the development of large-scale waves through baroclinic instability.
We have developed a Boussinesq-equations numerical model in cylindrical coordinates for simulating flow in the annulus. For the discretization we use an energy and angular momentum conserving finite-volume scheme with an implicit sub-gridscale turbulence parameterization. The poster will present a description of the model as well as results of simulations with model parameters taken from the laboratory experiment at the Brandenburg University of Technology Cottbus. |
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