Active Control of Instabilities in Laminar Boundary Layers—Overview and Concept Validation | Zendy

R. D. Joslin | Zendy; Gordon Erlebacher | Zendy; M. Yousuff Hussaini | Zendy

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Active Control of Instabilities in Laminar Boundary Layers—Overview and Concept Validation

Author(s) -

R. D. Joslin,

Gordon Erlebacher,

M. Yousuff Hussaini

Publication year - 1996

Publication title -

journal of fluids engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.529

H-Index - 103

eISSN - 1528-901X

pISSN - 0098-2202

DOI - 10.1115/1.2817785

Subject(s) - laminar flow , turbulence , flow (mathematics) , nonlinear system , computer science , series (stratigraphy) , boundary layer , control theory (sociology) , boundary (topology) , mechanics , work (physics) , flow separation , control (management) , physics , mathematics , mathematical analysis , geology , engineering , mechanical engineering , artificial intelligence , quantum mechanics , paleontology

This paper (the first in a series) focuses on using active-control methods to maintainlaminar flow in a region of the flow in which the natural instabilities, if left unattended,lead to turbulent flow. The authors review previous studies that examine wave cancellation(currently the most prominent method) and solve the unsteady, nonlinear Navier-Stokesequations to evaluate this method of controlling instabilities. It is definitively shownthat instabilities are controlled by the linear...

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