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On the Influence of Computational Domain Length on Turbulence in Oscillating Pipe Flow

Feldmann, Daniel and Wagner, Claus (2015) On the Influence of Computational Domain Length on Turbulence in Oscillating Pipe Flow. Ninth International Symposium on Turbulence and Shear Flow Phenomena (TSFP-9), 30. June - 03. July 2015, Melbourne, Australia.

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Official URL: http://tsfp9.org/

Abstract

Here we present results from DNS of oscillating pipe flow at Re = 11500 and Wo = 13 using a fully developed turbulent flow field as initial condition and different length of the computational pipe domain. We found that the flow is conditionally turbulent for short and medium pipe domains, while the flow field completely laminarises in longer computational domains. This observation is discussed in more detail by comparing spatial power spectra, turbulence statistics and integral quantities of the resulting flow fields. We conclude that the critical maximum pipe length for this special scenario lies within 3.54D < L < 5D.

Item URL in elib:https://elib.dlr.de/90637/
Document Type:Conference or Workshop Item (Speech)
Title:On the Influence of Computational Domain Length on Turbulence in Oscillating Pipe Flow
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Feldmann, Danieldaniel.feldmann (at) dlr.deUNSPECIFIED
Wagner, Clausclaus.wagner (at) dlr.deUNSPECIFIED
Date:2015
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Page Range:pp. 1-6
Series Name:Conference Proceedings on USB-Stick
Status:Published
Keywords:Turbulence, Direct numerical simulation (DNS), oscillatory pipe flow
Event Title:Ninth International Symposium on Turbulence and Shear Flow Phenomena (TSFP-9)
Event Location:Melbourne, Australia
Event Type:international Conference
Event Dates:30. June - 03. July 2015
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 of Aerodynamics and Flow Technology > Fluid Systems
Deposited By: Micknaus, Ilka
Deposited On:21 Aug 2015 13:39
Last Modified:21 Aug 2015 13:39

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