Passive control of transition in three-dimensional boundary layers, with emphasis on discrete roughness elements | Zendy

William S. Saric | Zendy; Andrew L. Carpenter | Zendy; Helen L. Reed | Zendy

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Passive control of transition in three-dimensional boundary layers, with emphasis on discrete roughness elements

Author(s) -

William S. Saric,

Andrew L. Carpenter,

Helen L. Reed

Publication year - 2011

Publication title -

philosophical transactions of the royal society a mathematical physical and engineering sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.074

H-Index - 169

eISSN - 1471-2962

pISSN - 1364-503X

DOI - 10.1098/rsta.2010.0368

Subject(s) - laminar flow , transonic , swept wing , turbulence , laminar turbulent transition , mechanics , surface finish , airfoil , flow control (data) , aerodynamics , flow (mathematics) , boundary (topology) , aerospace engineering , boundary layer , vortex , computer science , physics , mechanical engineering , engineering , mathematics , telecommunications , mathematical analysis

A brief review of laminar flow control techniques is given and a strategy for achieving laminarization for transonic transport aircraft is discussed. A review of some flight-test results on swept-wing transition is presented. It is also shown that polished leading edges can create large regions of laminar flow because the flight environment is relatively turbulence free and the surface finish reduces the initial amplitude of the stationary crossflow vortex.

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