Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Nastro, Gabriele"'
Publikováno v:
Physics of Fluids 33, 034101 (2021)
Motivated by the recent discovery of a dispersive-to-nondispersive transition for linear waves in shear flows, we accurately explored the wavenumber-Reynolds number parameter map of the plane Poiseuille flow, in the limit of least-damped waves. We ha
Externí odkaz:
http://arxiv.org/abs/2103.04650
Secondary instabilities growing over a time-evolving variable-density round jet subject to the primary Kelvin–Helmholtz (KH) instability at Atwood number |At|=0.25 are investigated with a non-modal linear stability analysis. Despite local modificat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::441560a9fe0f9899e649b87932199bba
https://oatao.univ-toulouse.fr/28834/
https://oatao.univ-toulouse.fr/28834/
Autor:
Nastro, Gabriele, Robinet, Jean-Christophe, Loiseau, Jean-Christophe, Passaggia, Pierre-Yves, Baldas, Lucien, Mazellier, Nicolas, Stefes, Bruno
Publikováno v:
AIAA SCITECH 2022 Forum
AIAA SCITECH 2022 Forum, American Institute of Aeronautics and Astronautics, Jan 2022, San Diego, CA, United States. pp.2022-0455, ⟨10.2514/6.2022-0455⟩
AIAA SCITECH 2022 Forum, American Institute of Aeronautics and Astronautics, Jan 2022, San Diego, CA, United States. pp.2022-0455, ⟨10.2514/6.2022-0455⟩
International audience; Two- and three-dimensional modes developing on a steady spanwise-homogeneous laminar separated flow over a NACA 4412 airfoil have been numerically investigated using global linear stability theory. Considering variations of bo
Akademický článek
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Autor:
Nastro, Gabriele
L’objectif de cette thèse est d’analyser le potentiel de croissance transitoire des perturbationsbidimensionnelles et tridimensionnelles dans les jets ronds inhomogènes, depuis leurphase initiale quasi-parallèle jusqu’à l’enroulement non
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=artemis___fr::9f1fcacffef86b23b18c6d3a029173b3
http://depozit.isae.fr/theses/2020/2020_Nastro_Gabriele_D.pdf
http://depozit.isae.fr/theses/2020/2020_Nastro_Gabriele_D.pdf
Publikováno v:
Journal of Fluid Mechanics; 4/10/2022, Vol. 936, pA15-1-A15-37, 37p
Akademický článek
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We investigate the three-dimensional temporal non-modal stability of viscous round jets subject to the primary Kelvin-Helmholtz instability. Non-modal linear stability analysis is based on a direct-adjoint technique which enables to determine the fas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::7995ed15d9f9dbc8c3d47f66775b33a0
https://oatao.univ-toulouse.fr/29139/
https://oatao.univ-toulouse.fr/29139/
We analyse the influence of the specific features of a time-dependent round jet undergoing the Kelvin-Helmholtz instability on the development of three-dimensional secondary instabilities. We proceed to a non-modal linear stability analysis based on
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::f68af5fadb6184e68de24e19be7e455f
https://oatao.univ-toulouse.fr/21534/
https://oatao.univ-toulouse.fr/21534/
Publikováno v:
Politecnico di Torino-IRIS
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::9517c4e34c08d502c082e2dd7d2ecbd2
http://hdl.handle.net/11583/2678699
http://hdl.handle.net/11583/2678699