Scaling of near-wall turbulence in pipe flow

Marcus Hultmark; Sean C.C. Bailey; Alexander J. Smits

doi:10.1017/S0022112009994071

Scaling of near-wall turbulence in pipe flow

Marcus Hultmark
, Sean C.C. Bailey
, Alexander J. Smits

Research output: Contribution to journal › Article › peer-review

81 Scopus citations

Abstract

New measurements of the streamwise component of the turbulence intensity in a fully developed pipe flow at Reynolds numbers up to 145 000 indicate that the magnitude of the near-wall peak is invariant with Reynolds number in location and magnitude. The results agree with previous pipe flow data that have sufficient spatial resolution to avoid spatial filtering effects, but stand in contrast to similar results obtained in boundary layers, where the magnitude of the peak displays a prominent Reynolds number dependence, although its position is fixed at the same location as in pipe flow. This indicates that the interaction between the inner and outer regions is different in pipe flows and boundary layers.

Original language	English
Pages (from-to)	103-113
Number of pages	11
Journal	Journal of Fluid Mechanics
Volume	649
DOIs	https://doi.org/10.1017/S0022112009994071
State	Published - Apr 25 2010

Bibliographical note

Funding Information:
This work was made possible by support received through NSF grant CTS-0625268, programme manager William Schultz and ONR grant N00014–09-1-0263, programme manager Ronald Joslin.

Funding

This work was made possible by support received through NSF grant CTS-0625268, programme manager William Schultz and ONR grant N00014–09-1-0263, programme manager Ronald Joslin.

Funders	Funder number
National Science Foundation (NSF)	CTS-0625268
Office of Naval Research	N00014–09-1-0263

ASJC Scopus subject areas

Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Applied Mathematics

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abstract = "New measurements of the streamwise component of the turbulence intensity in a fully developed pipe flow at Reynolds numbers up to 145 000 indicate that the magnitude of the near-wall peak is invariant with Reynolds number in location and magnitude. The results agree with previous pipe flow data that have sufficient spatial resolution to avoid spatial filtering effects, but stand in contrast to similar results obtained in boundary layers, where the magnitude of the peak displays a prominent Reynolds number dependence, although its position is fixed at the same location as in pipe flow. This indicates that the interaction between the inner and outer regions is different in pipe flows and boundary layers.",

author = "Marcus Hultmark and Bailey, \{Sean C.C.\} and Smits, \{Alexander J.\}",

note = "Funding Information: This work was made possible by support received through NSF grant CTS-0625268, programme manager William Schultz and ONR grant N00014–09-1-0263, programme manager Ronald Joslin.",

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AU - Bailey, Sean C.C.

AU - Smits, Alexander J.

N1 - Funding Information: This work was made possible by support received through NSF grant CTS-0625268, programme manager William Schultz and ONR grant N00014–09-1-0263, programme manager Ronald Joslin.

PY - 2010/4/25

Y1 - 2010/4/25

N2 - New measurements of the streamwise component of the turbulence intensity in a fully developed pipe flow at Reynolds numbers up to 145 000 indicate that the magnitude of the near-wall peak is invariant with Reynolds number in location and magnitude. The results agree with previous pipe flow data that have sufficient spatial resolution to avoid spatial filtering effects, but stand in contrast to similar results obtained in boundary layers, where the magnitude of the peak displays a prominent Reynolds number dependence, although its position is fixed at the same location as in pipe flow. This indicates that the interaction between the inner and outer regions is different in pipe flows and boundary layers.

AB - New measurements of the streamwise component of the turbulence intensity in a fully developed pipe flow at Reynolds numbers up to 145 000 indicate that the magnitude of the near-wall peak is invariant with Reynolds number in location and magnitude. The results agree with previous pipe flow data that have sufficient spatial resolution to avoid spatial filtering effects, but stand in contrast to similar results obtained in boundary layers, where the magnitude of the peak displays a prominent Reynolds number dependence, although its position is fixed at the same location as in pipe flow. This indicates that the interaction between the inner and outer regions is different in pipe flows and boundary layers.

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DO - 10.1017/S0022112009994071

M3 - Article

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EP - 113

JO - Journal of Fluid Mechanics

JF - Journal of Fluid Mechanics

ER -

Scaling of near-wall turbulence in pipe flow

Abstract

Bibliographical note

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ASJC Scopus subject areas

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