Výsledky vyhledávání - "homogeneous and isotropic turbulence"

Akademický článek

Generalized self-similar spectrum and the effect of large-scale in decaying homogeneous isotropic turbulence

Autor: Ping-Fan Yang, Alain Pumir, Haitao Xu

Publikováno v: New Journal of Physics, Vol 20, Iss 10, p 103035 (2018)

In statistically stationary conditions, the turbulent energy spectrum in a high Reynolds number flow exhibits a k ^−5/3 (Kolmogorov) regime, with a faster decay at larger, dissipative wavenumbers. Here, we investigate how the energy spectrum of a t

Externí odkaz: https://doaj.org/article/f133d0ca9fbc48a79b509250d2fc3c5e

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Settling of particles in quiescent and turbulent flows. From ground conditions to micro-gravity

Autor: Cabrera, Facundo Ezequiel

Publikováno v: Fluid mechanics [physics.class-ph]. Université de Lyon, 2021. English. ⟨NNT : 2021LYSEN081⟩

This thesis presents experimental studies of single inertial particles in two main water fluid configurations: Quiescent Flow and Turbulent Flow. Furthermore, an experimental technique to modify the local gravity pull on magnetic particles, via the a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::48e9340ad6a254a9b89c585875371f93
https://theses.hal.science/tel-03585183/file/CABRERA_F_E_2021LYSEN081_These.pdf

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Three-dimensional turbulence generated homogeneously by magnetic particles

Autor: Annette Cazaubiel, Claude Laroche, Michael Berhanu, Jean-Claude Bacri, Eric Falcon, Jean-Baptiste Gorce

Publikováno v: Physical Review Fluids
Physical Review Fluids, American Physical Society, 2021, 6, pp.L112601. ⟨10.1103/PhysRevFluids.6.L112601⟩

Three-dimensional turbulence is usually studied experimentally by using a spatially localized forcing at large scales (e.g. via rotating blades or oscillating grids), often in a deterministic way. Here, we report an original technique where the fluid

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9d2f459c2da540d52b0ec1bee9eb431f
https://hal.archives-ouvertes.fr/hal-03400228/file/PRF2021andSuppMat.pdf

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Akademický článek

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Investigation of the small-scale statistics of turbulence in the Modane S1MA wind tunnel

Publikováno v: CEAS Aeronautical Journal
CEAS Aeronautical Journal, 2018, 9 (2), pp.269-281. ⟨10.1007/s13272-017-0254-3⟩
CEAS Aeronautical Journal, Springer, 2018, 9 (2), pp.269-281. ⟨10.1007/s13272-017-0254-3⟩

[Departement_IRSTEA]Ecotechnologies [TR1_IRSTEA]SPEE [ADD1_IRSTEA]Sûreté alimentaire; International audience; This article describes the planning, set-up, turbulence characterization and analysis of measurements of a passive grid turbulence experim

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::46233089d83cf81140e59113a9a665ed
https://hal.science/hal-01578798/document

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Micro-mixing measurement by chemical probe in homogeneous and isotropic turbulence

Autor: D. Della Valle, Hassan Peerhossaini, Thierry Lemenand, Charbel Habchi

Publikováno v: Chemical Engineering Journal
Chemical Engineering Journal, 2017, 314, pp.453-465. ⟨10.1016/j.cej.2016.12.001⟩
Chemical Engineering Journal, Elsevier, 2017, 314, pp.453-465. ⟨10.1016/j.cej.2016.12.001⟩
Civil and Environmental Engineering Publications

The chemical probe is commonly used to evaluate the performance of chemical reactors. By a localized injection of chemical reagents, it is possible to measure the local micro-mixing, which is readily related to the selectivity of chemical reactions,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::03cb0640476a0b29773f0664cba81764
https://univ-angers.hal.science/hal-02525557/document

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