Key structure in laminar-turbulent transition of boundary layer with streaky structures

A numerical simulation is performed to find out a key vortical structure in the laminar-turbulent transition. A low-speed streak is generated inside a laminar boundary layer using an isolated cuboid roughness, aimed at providing an environment unstable to outer disturbances. Then, a short duration j...

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Bibliographic Details
Main Authors: Joe Yoshikawa, Yu Nishio, Seiichiro Izawa, Yu Fukunishi
Format: Article
Language:English
Published: Elsevier 2019-01-01
Series:Theoretical and Applied Mechanics Letters
Online Access:http://www.sciencedirect.com/science/article/pii/S209503491930011X