Summary
The evolution of disturbances in three-dimensional boundary layers, starting from their generation by surface roughness, and continuing into the amplitude-saturated states in the strongly nonlinear regime is investigated. The birth of disturbances due to isolated surface roughness is modeled by a new technique that incorporates streamwise changes of the base flow. The subsequent linear and nonlinear evolution is modeled by the parabolized stability equations (PSE). The growth of non-phase-locked upstream and downstream traveling modes is documented.
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© 1996 Kluwer Academic Publishers
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Bertolotti, F.P. (1996). On The Birth and Evolution of Disturbances in Three-Dimensional Boundary Layers. In: Duck, P.W., Hall, P. (eds) IUTAM Symposium on Nonlinear Instability and Transition in Three-Dimensional Boundary Layers. Fluid Mechanics and Its Applications, vol 35. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-1700-2_24
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DOI: https://doi.org/10.1007/978-94-009-1700-2_24
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-7261-8
Online ISBN: 978-94-009-1700-2
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