Développement d'un outil d'analyse du mouvement des particules en turbulence

Abstract : This report is the final work of a Master 2 Research in fluid mechanics, conducted in the labs of LEMTA with support from ESSTIN. The main task consists in the development of a software, which shall allow to analyze automatically datasets from turbulent flows with and without particles therein. Those data might originate from a numerical simulation or from experiments. This task appears very general and it is clear that it is impossible to accomplish it in finite time for all possible cases. Therefore, the starting point is ideal turbulence with heavy particles. Such a software as sketched above is essential not only to the scientific community, but as well for practical applications in an industrial setup. Since the first wish improve comparability of flows and particles in flows situations, the latter require standardized analyses in order to facilitate the design and manufacturing of machinery working with flows of various kind. With regard to simulations, the amount of data produced worldwide does not stop to increase with the evolution of numerical ressources (moodys law). Mainly in the case of turbulents flows, many ways of analysis exist, depending on community and specific needs. Statistics are an interesting and useful way to characterize data from turbulence and turbulent transport ; our analysis points right in this direction. The developped software is to be understood as the basis routines for use in the automatized characterization in large databases. We do not touch the state-of the art techniques concerning server architecture or distributed data bases, but show results on the basic functionality to be expanded in the open source development project started with this thesis.
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Master thesis
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Justin Jacquot. Développement d'un outil d'analyse du mouvement des particules en turbulence. Génie des procédés. 2012. ⟨hal-02093663⟩

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