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Influence of the Wind Tunnel Model Mounting on the Wake Evolution of the Common Research Model in Post Stall Read chapter Read first chapter

2021 | OriginalPaper | Chapter

Receptivity of Swept-Wing Boundary Layers to Surface Roughness and Inhomogeneous Suction

Authors : Daniel Simanowitsch, Alexander Theiss, Stefan Hein

Published in: New Results in Numerical and Experimental Fluid Mechanics XIII

Publisher: Springer International Publishing

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Abstract

Suction through porous aircraft wings is a promising concept to reduce its drag, but the modified boundary layer can be more susceptible to external forcing, like surface roughness and inhomogeneities in the suction distribution. This paper analyzes the effects of suction on the linear receptivity of a swept-wing boundary layer to surface roughness and non-uniform suction, focusing on stationary crossflow instabilities. Employing a compressible adjoint approach, receptivity coefficients for a Falkner-Skan-Cooke similarity solution and a transonic swept-wing boundary layer on an A320 vertical tail plane with and without suction are given.

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previous chapter A Procedure to Estimate the Size of a Suction Flap for a Passive HLFC System
next chapter DLR Feasibility Study of HLFC Wing Designs for S1MA Wind Tunnel Test
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Metadata
Title
Receptivity of Swept-Wing Boundary Layers to Surface Roughness and Inhomogeneous Suction
Authors
Daniel Simanowitsch
Alexander Theiss
Stefan Hein
Copyright Year
2021
Book
New Results in Numerical and Experimental Fluid Mechanics XIII

Print ISBN: 978-3-030-79560-3

Electronic ISBN: 978-3-030-79561-0

Copyright Year: 2021

DOI
https://doi.org/10.1007/978-3-030-79561-0_22

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