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Control of streaky disturbances in the boundary layer over a flat plate
KTH, School of Engineering Sciences (SCI), Mechanics.ORCID iD: 0000-0001-6343-7507
KTH, School of Engineering Sciences (SCI), Centres, Linné Flow Center, FLOW. KTH, School of Engineering Sciences (SCI), Mechanics.ORCID iD: 0000-0002-5913-5431
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2018 (English)In: 31st Congress of the International Council of the Aeronautical Sciences, ICAS 2018, International Council of the Aeronautical Sciences , 2018Conference paper, Published paper (Refereed)
Abstract [en]

The present work considers control of perturbations in the boundary layer over a flat plate by means of adaptive methods. In particular, we focus our attention on a control law based on a multi-input-multi-output (MIMO) filtered-x least-mean-square (fxLMS) adaptive algorithm. The studies are performed through direct numerical simulations. The perturbation field studied here mimics those generated by freestream turbulence with different amplitude and scales. Plasma actuators and shear-stress sensors are considered to mimic a real case scenario.

Place, publisher, year, edition, pages
International Council of the Aeronautical Sciences , 2018.
Keywords [en]
Adaptive control, Feedforward control, Flow control, Streaks, Adaptive algorithms, Boundary layers, MIMO systems, Shear stress, Wave plasma interactions, Adaptive methods, Filtered x least mean squares, Freestream turbulence, Multi input multi output, Real case scenarios, Shear-stress sensors
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:kth:diva-247422Scopus ID: 2-s2.0-85060468653ISBN: 9783932182884 (print)OAI: oai:DiVA.org:kth-247422DiVA, id: diva2:1313056
Conference
31st Congress of the International Council of the Aeronautical Sciences, ICAS 2018, 9 September 2018 through 14 September 2018
Note

QC20190502

Available from: 2019-05-02 Created: 2019-05-02 Last updated: 2019-05-02Bibliographically approved

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Scopushttps://www.aidaa.it/31st-congress-of-the-international-council-of-the-aeronautical-sciences.htm

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Morra, PierluigiHanifi, ArdeshirHenningson, Dan S.

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf