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Re scaling of POD modes in plane channel flow

Abstract:

This article studies how the proper orthogonal decomposition eigenvectors and eigenvalues of the two-point velocity correlation tensor scale with Reτ in turbulent channel flows. To this effect, the two-point correlation tensor is computed from velocity fields extracted from the Direct Numerical Simulations (DNS) of plane channel flows at Reτ = 547 and Reτ = 934. The analysis reveals that the eigenvalues exhibit a high degree of scaling with Reτ, across a very wide range of streamwise and span...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's Version

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Publisher copy:
10.1063/1.5024603

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Engineering Science
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Engineering Science
Oxford college:
St Johns College
Rolls-Royce plc More from this funder
Engineering and Physical Sciences Research Council More from this funder
Publisher:
AIP Publishing Publisher's website
Journal:
Physics of Fluids Journal website
Volume:
30
Issue:
5
Pages:
Article: 055109
Publication date:
2018-05-29
Acceptance date:
2018-05-08
DOI:
EISSN:
1089-7666
ISSN:
1070-6631
Pubs id:
pubs:856816
URN:
uri:2f7e8f78-92da-4723-8998-e2296c971c8a
UUID:
uuid:2f7e8f78-92da-4723-8998-e2296c971c8a
Local pid:
pubs:856816
Keywords:

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