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Inestabilidad termoconductiva en un flujo de Couette

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dc.contributor.authorSanz García, Javier
dc.contributor.directorCrespo del Arco, Emilia
dc.contributor.directorSánchez Alvarez, Jose Joaquín
dc.date.accessioned2024-05-20T12:21:06Z
dc.date.available2024-05-20T12:21:06Z
dc.date.issued2017-07-11
dc.description.abstractGravity waves and instability are ubiquitous phenomena of a major importance in atmosphere and oceans. They play a central role in the transport of momentum and energy balance at a wide range of scales in both space and time. The most common type of gravity waves is the internal gravity wave (IGW), which occur in the interior of a stable stratied fluid. As examples of instabilty we can mention baroclynic and barotropic instabilities, being both responsibles of cyclogenesis in mid-latitudes and tropics. The characteristic properties of IGWs are usually studied by using the linear Taylor- Goldstein equation, which is obtained by neglecting the thermal conductivity and the viscosity of the fluid. In this study we are going to incorporate these effects. In order to obtain some useful results, we must simplify the non-linear equations of motion, so some approximations are carried out. First we will apply the Boussinesq approximation, and second, we will linearize it by introducing small perturbations. In order to solve these equations we will use Galerkin method. We will analyze the conditions under which the instability arises, as well as its dependence with characteristic parameters like Prandtl number, Rayleigh number and the shear rate of the basic flow.en
dc.description.versionversión final
dc.identifier.urihttps://hdl.handle.net/20.500.14468/13981
dc.language.isoes
dc.publisherUniversidad Nacional de Educación a Distancia (España). Facultad de Ciencias. Departamento de Física Fundamental
dc.relation.centerFacultades y escuelas::Facultad de Ciencias
dc.relation.degreeMáster universitario en Física de Sistemas Complejos
dc.relation.departmentFísica Fundamental
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
dc.titleInestabilidad termoconductiva en un flujo de Couettees
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dc.typemaster thesisen
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