Closed-loop turbulence control is a critical enabler of aerodynamic drag reduction, lift increase, mixing enhancement, and noise reduction. Current and future applications have epic proportion: cars, trucks, trains, airplanes, wind turbines, medical devices, combustion, chemical reactors, just to name a few. Methods to adaptively adjust open-loop parameters are continually improving toward shorter response times. However, control design for in-time response is challenged by strong nonlinearity, high-dimensionality, and time-delays. Recent advances in the field of model identification and system reduction, coupled with advances in control theory (robust, adaptive, and nonlinear) are driving significant progress in adaptive and in-time closed-loop control of fluid turbulence. In this review, we provide an overview of critical theoretical developments, highlighted by compelling experimental success stories. We also point to challenging open problems and propose potentially disruptive technologies of machine learning and compressive sensing.
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September 2015
Review Articles
Closed-Loop Turbulence Control: Progress and Challenges
Steven L. Brunton,
Steven L. Brunton
Department of Mechanical Engineering
and eScience Institute,
University of Washington,
Seattle, WA 98195
and eScience Institute,
University of Washington,
Seattle, WA 98195
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Bernd R. Noack
Bernd R. Noack
Institut PPRIME, CNRS - Université de
Poitiers - ENSMA, UPR 3346,
Département Fluides, Thermique, Combustion,
CEAT,
F-86036 Poitiers Cedex, France
Institut für Strömungsmechanik,
Technische Universität Braunschweig,
D-38108 Braunschweig, Germany
Poitiers - ENSMA, UPR 3346,
Département Fluides, Thermique, Combustion,
CEAT,
F-86036 Poitiers Cedex, France
Institut für Strömungsmechanik,
Technische Universität Braunschweig,
D-38108 Braunschweig, Germany
Search for other works by this author on:
Steven L. Brunton
Department of Mechanical Engineering
and eScience Institute,
University of Washington,
Seattle, WA 98195
and eScience Institute,
University of Washington,
Seattle, WA 98195
Bernd R. Noack
Institut PPRIME, CNRS - Université de
Poitiers - ENSMA, UPR 3346,
Département Fluides, Thermique, Combustion,
CEAT,
F-86036 Poitiers Cedex, France
Institut für Strömungsmechanik,
Technische Universität Braunschweig,
D-38108 Braunschweig, Germany
Poitiers - ENSMA, UPR 3346,
Département Fluides, Thermique, Combustion,
CEAT,
F-86036 Poitiers Cedex, France
Institut für Strömungsmechanik,
Technische Universität Braunschweig,
D-38108 Braunschweig, Germany
Manuscript received November 12, 2014; final manuscript received July 25, 2015; published online August 26, 2015. Assoc. Editor: Jörg Schumacher.
Appl. Mech. Rev. Sep 2015, 67(5): 050801 (48 pages)
Published Online: August 26, 2015
Article history
Received:
November 12, 2014
Revised:
July 25, 2015
Citation
Brunton, S. L., and Noack, B. R. (August 26, 2015). "Closed-Loop Turbulence Control: Progress and Challenges." ASME. Appl. Mech. Rev. September 2015; 67(5): 050801. https://doi.org/10.1115/1.4031175
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