Closed‐loop control of turbulent boundary layers using spanwise traveling surface waves | Zendy

Albers Marian | Zendy; Meysonnat Pascal S. | Zendy; Schröder Wolfgang | Zendy

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Closed‐loop control of turbulent boundary layers using spanwise traveling surface waves

Author(s) -

Albers Marian,

Meysonnat Pascal S.,

Schröder Wolfgang

Publication year - 2018

Publication title -

pamm

Language(s) - English

Resource type - Journals

ISSN - 1617-7061

DOI - 10.1002/pamm.201800336

Subject(s) - turbulence , drag , mechanics , closed loop , boundary (topology) , loop (graph theory) , parasitic drag , surface (topology) , physics , boundary layer , amplitude , reduction (mathematics) , control theory (sociology) , controller (irrigation) , materials science , acoustics , optics , mathematics , geometry , mathematical analysis , control (management) , computer science , engineering , control engineering , combinatorics , agronomy , biology , artificial intelligence

The drag reduction technique of spanwise traveling surface waves in turbulent boundary layers is investigated in a closed‐loop control setup. The results show a dependence of the local skin friction on the spanwise coordinate and a successful application of the controller to determine the optimal amplitude.

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