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Scaling of High-Order Statistics in Turbulent Pipe Flow

Bauer, Christian and Wagner, Claus (2019) Scaling of High-Order Statistics in Turbulent Pipe Flow. In: ERCOFTAC Series, 25 (71), pp. 537-543. Springer, Cham. Direct and Large-Eddy Simulation 11, 2017-05-29 - 2017-05-31, Pisa, Italien. doi: 10.1007/2F978-3-030-04915-7_71. ISBN 978-3-030-04914-0. ISSN 1382-4309.

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Official URL: https://doi.org/10.1007/978-3-030-04915-7_71

Abstract

Direct numerical simulations of turbulent pipe flow involving friction Reynolds numbers of Reτ=180,360,720,1500 were carried out and investigated in terms of high-order statistics. A logarithmic dependency on the Reynolds number was found for the streamwise Reynolds stress where Reτ≥360, the streamwise skewness and the wall-normal flatness for Reτ≥360. The scaling failure of the latter quantities is related to large-scale outer flow motions that become important at high Reynolds number flow and penetrate into the near-wall region. For the lowest Reynolds number Reτ=180 the streamwise Reynolds stress peak and the wall-normal flatness at the wall exhibited discrepancies to values obtained from channel flow simulations, which can be explained by the different flow geometry interacting with the wall structures that are of large size compared with the geometry at such low Re.

Item URL in elib:https://elib.dlr.de/126451/
Document Type:Conference or Workshop Item (Other)
Additional Information:Electronic ISBN: 978-3-030-04915-7
Title:Scaling of High-Order Statistics in Turbulent Pipe Flow
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Bauer, ChristianUNSPECIFIEDhttps://orcid.org/0000-0003-1838-6194UNSPECIFIED
Wagner, ClausUNSPECIFIEDhttps://orcid.org/0000-0003-2273-0568UNSPECIFIED
Date:February 2019
Journal or Publication Title:ERCOFTAC Series
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:Yes
Volume:25
DOI:10.1007/2F978-3-030-04915-7_71
Page Range:pp. 537-543
Editors:
EditorsEmailEditor's ORCID iDORCID Put Code
Salvetti, Maria VittoriaUniversität Pisa, ItalienUNSPECIFIEDUNSPECIFIED
Armenio, VicenzoUniversität Trieste, ItalienUNSPECIFIEDUNSPECIFIED
Fröhlich, JochenTU DresdenUNSPECIFIEDUNSPECIFIED
Geurts, Bernard J.Universität Twente, NiederlandeUNSPECIFIEDUNSPECIFIED
Kuerten, HansUniversität Eindhoven, NiederlandeUNSPECIFIEDUNSPECIFIED
Publisher:Springer, Cham
Series Name:Direct and Large-Eddy Simulation XI
ISSN:1382-4309
ISBN:978-3-030-04914-0
Status:Published
Keywords:DNS, Turbulent Pipe Flow, Scaling
Event Title:Direct and Large-Eddy Simulation 11
Event Location:Pisa, Italien
Event Type:international Conference
Event Start Date:29 May 2017
Event End Date:31 May 2017
Organizer:ERCOFTAC
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Terrestrial Vehicles (old)
DLR - Research area:Transport
DLR - Program:V BF - Bodengebundene Fahrzeuge
DLR - Research theme (Project):V - Next Generation Train III (old)
Location: Göttingen
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > Ground Vehicles
Deposited By: Bauer, Christian
Deposited On:19 Feb 2019 11:29
Last Modified:24 Apr 2024 20:30

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