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Relaminarisation of Re_τ = 100 channel flow with globally stabilising linear feedback control

Abstract:

The problems of nonlinearity and high dimension have so far prevented a complete solution of the control of turbulent flow. Addressing the problem of nonlinearity, we propose a flow control strategy which ensures that the energy of any perturbation to the target profile decays monotonically. The controller's estimate of the flow state is similarly guaranteed to converge to the true value. We present a one-time off-line synthesis procedure, which generalises to accommodate more restrictive act...

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Publication status:
Published

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Publisher copy:
10.1063/1.3662449

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Journal:
Physics of Fluids
Volume:
23
Issue:
12
Pages:
125105
Publication date:
2013-01-21
DOI:
ISSN:
1070-6631
URN:
uuid:4638ffe3-0ab5-4f93-8217-7b1c223dc6f6
Source identifiers:
254488
Local pid:
pubs:254488
Language:
English
Keywords:

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