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pro vyhledávání: '"Starting vortex"'
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Akademický článek
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Autor:
Jeongwoo Ko, Soogab Lee
Publikováno v:
Journal of Aircraft. 58:363-373
In this Paper, the wake dynamics of coaxial rotors are studied using the high-wake-resolution method. The high-wake-resolution method is a novel combination of the truncated vortex tube model for i...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3fcc18224f1b2bc6ff712e2650219cec
https://doi.org/10.2514/1.c035857
https://doi.org/10.2514/1.c035857
Publikováno v:
Chinese Journal of Aeronautics, Vol 34, Iss 3, Pp 13-24 (2021)
A single Dielectric Barrier Discharge (DBD) plasma actuator driven by Alternating Current (AC) power, capable of inducing a starting vortex and a wall jet in quiescent air, is suited for low-Reynolds-number flow control. However, the starting vortex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::714010b7929a8f3822561d29a70cd074
https://doi.org/10.1016/j.cja.2020.08.013
https://doi.org/10.1016/j.cja.2020.08.013
Publikováno v:
Proceedings of the Combustion Institute. 38:2067-2074
This paper presents an experimental study on the vortex formation and frequency tuning of jet diffusion flames under periodic excitations. The state-of-art laser diagnostic techniques were applied to provide temporally-resolved measurements for flame
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::205440387e228cacbd6e78d0d3916f6f
https://doi.org/10.1016/j.proci.2020.08.015
https://doi.org/10.1016/j.proci.2020.08.015
Publikováno v:
Journal of Aircraft. 57:1074-1090
An advanced potential flow method is used to study the aerodynamic interactions between small rotors of quadrotor configurations and the impact on the overall flight performance. The aerodynamic an...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::47a003ba49e9f02071b7ea60dc50ad68
https://doi.org/10.2514/1.c035614
https://doi.org/10.2514/1.c035614
Publikováno v:
AIAA Journal. 58:4204-4211
The spectral proper orthogonal decomposition method, which extracts spatially and temporally coherent modes in stationary flowfields, is used in the current paper to analyze high-speed broadband ch...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7a15fe3868fd0971013441a44c7658f7
https://doi.org/10.2514/1.j059685
https://doi.org/10.2514/1.j059685
Publikováno v:
Journal of Visualization. 23:559-564
We carry out experiments on vortex ring flows submerged underwater which are generated by a pulsatile circular jet with the stroke ratio of 10. The pulsatile Reynolds number, based on centerline exit velocity and jet diameter, is a cosinusoidal funct
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2579a23341092a467cac6b474789318
https://doi.org/10.1007/s12650-020-00650-1
https://doi.org/10.1007/s12650-020-00650-1
Publikováno v:
Journal of Fluids Engineering. 144
The flow resulting from the rotation of a series of thin plates that initially separate two gases of different densities is analyzed using direct numerical simulations (DNSs). The 90-deg plates' rotation forms a vorticity shear layer and a density in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f809293361027355141a1581e4232def
https://doi.org/10.1115/1.4052826
https://doi.org/10.1115/1.4052826
Publikováno v:
Journal of Fluid Mechanics. 881:772-793
The unsteady flow due to a sphere, immersed in a quiescent fluid, and suddenly rotated, is a paradigm for the development of unsteady boundary layers and their collision. Such a collision arises when the boundary layers on the surface of the sphere a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0adc995a6b493e983213e1e410844d06
https://doi.org/10.1017/jfm.2019.783
https://doi.org/10.1017/jfm.2019.783