Eulerian and Lagrangian perspectives on turbulent superstructures in Rayleigh-Bénard convection

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Large-scale computations in combination with new mathematical analysis tools make studies of the large-scale patterns, which are termed turbulent superstructures, in extended turbulent convection flows now accessible. Here, we report recent analyses in the Eulerian and Lagrangian frames of reference that reveal the characteristic spatial and temporal scales of the patterns as a function of Prandtl number, the dimensionless number which relates momentum to temperature diffusion in the working fluid.

Original languageEnglish
Title of host publicationNIC Symposium 2018 : 22-23 February 2018, Jülich, Germany : proceedings
EditorsKurt Binder, Marcus Müller, Alexander Trautmann
Number of pages8
Place of PublicationJülich
PublisherForschungszentrum Jülich
Publication date2018
Pages421-428
ISBN (electronic)978-3-95806-285-6
Publication statusPublished - 2018
EventNIC Symposium 2018 - Jülich, Germany
Duration: 22.02.201823.02.2018

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