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Turbulent pipe flow: Statistics, Re-dependence, structures and similarities with channel and boundary layer flows
KTH, Skolan för teknikvetenskap (SCI), Mekanik. KTH, Skolan för teknikvetenskap (SCI), Centra, Linné Flow Center, FLOW.
KTH, Skolan för teknikvetenskap (SCI), Mekanik. KTH, Skolan för teknikvetenskap (SCI), Centra, Linné Flow Center, FLOW.ORCID-id: 0000-0001-9627-5903
KTH, Skolan för teknikvetenskap (SCI), Mekanik, Turbulens. KTH, Skolan för teknikvetenskap (SCI), Centra, Linné Flow Center, FLOW.ORCID-id: 0000-0002-9819-2906
KTH, Skolan för teknikvetenskap (SCI), Mekanik, Turbulens. KTH, Skolan för teknikvetenskap (SCI), Centra, Linné Flow Center, FLOW.ORCID-id: 0000-0002-2711-4687
2014 (engelsk)Inngår i: Journal of Physics, Conference Series, ISSN 1742-6588, E-ISSN 1742-6596, Vol. 506, nr 1, s. 012010-Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Direct numerical simulation data of fully developed turbulent pipe flow are extensively compared with those of turbulent channel flow and zero-pressure-gradient boundary layer flow for Re-tau up to 1 000. In the near-wall region, a high degree of similarity is observed in the three flow cases in terms of one-point statistics, probability density functions of the wall-shear stress and pressure, spectra, Reynolds stress budgets and advection velocity of the turbulent structures. This supports the notion that the near-wall region is universal for pipe and channel flow. Probability density functions of the wall shear stress, streamwise turbulence intensities, one-dimensional spanwise/azimuthal spectra of the streamwise velocity and Reynolds-stress budgets are very similar near the wall in the three flow cases, suggesting that the three cauonical wall-bounded flows share wally features. In the wake region, the wean streamwise velocity and Reynolds stress budgets show smile expected differences.

sted, utgiver, år, opplag, sider
2014. Vol. 506, nr 1, s. 012010-
Emneord [en]
Direct Numerical-Simulation, Fully-Developed Pipe, Reynolds-Numbers
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-147076DOI: 10.1088/1742-6596/506/1/012010ISI: 000336120800010Scopus ID: 2-s2.0-84901503122OAI: oai:DiVA.org:kth-147076DiVA, id: diva2:728993
Konferanse
1st Multiflow Summer Workshop; Madrid; Spain; 10 June 2013 through 12 July 2013
Merknad

QC 20140625

Tilgjengelig fra: 2014-06-25 Laget: 2014-06-23 Sist oppdatert: 2017-12-05bibliografisk kontrollert

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Schlatter, PhilippBrethouwer, GeertJohansson, Arne V.

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