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Measuring concentration with Voronoï diagrams: the study of possible biases

Abstract : In the context of turbulent flows laden with inertial particles, the accurate estimation of preferential concentration is particularly relevant. We have recently proposed to use Voronoï diagrams to estimate concentration fields from two-dimensional imaging techniques implemented around wind tunnel experiments. Due to various experimental biases, the relevance of such an analysis becomes questionable. In this paper, we show the robustness of the Voronoï analysis with respect to three more important identified biases possibly present in such experiments. Content from this work may be used under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
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Monchaux Romain. Measuring concentration with Voronoï diagrams: the study of possible biases. New Journal of Physics, Institute of Physics: Open Access Journals, 2012, 14, ⟨10.1088/1367-2630/14/7/000000⟩. ⟨hal-02507814⟩

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