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The characteristics of turbulence in curved pipes under highly pulsatile flow conditions
KTH, School of Engineering Sciences (SCI), Mechanics, Fluid Physics.
KTH, School of Engineering Sciences (SCI), Mechanics, Fluid Physics.ORCID iD: 0000-0002-1663-3553
KTH, School of Engineering Sciences (SCI), Mechanics, Fluid Physics.
KTH, School of Engineering Sciences (SCI), Mechanics, Fluid Physics.ORCID iD: 0000-0002-1146-3241
2014 (English)In: Springer Proceedings in Physics, Springer, 2014, 183-187 p.Conference paper (Refereed)Text
Abstract [en]

High speed stereoscopic particle image velocimetry has been employed to provide unique data from a steady and highly pulsatile turbulent flow at the exit of a 90 degree pipe bend. Both the unsteady behaviour of the Dean cells under steady conditions, the so called “swirl switching” phenomenon, as well as the secondary flow under pulsations have been reconstructed through proper orthogonal decomposition. The present data set constitutes – to the authors’ knowledge – the first detailed investigation of a turbulent, pulsatile flow through a pipe bend.

Place, publisher, year, edition, pages
Springer, 2014. 183-187 p.
Keyword [en]
Pipe joints, Pipeline bends, Principal component analysis, Pulsatile flow, Stereo image processing, Velocity measurement, Curved pipes, Data set, Flow condition, High Speed, Pipe bend, Proper orthogonal decompositions, Steady conditions, Stereoscopic particle image velocimetry, Turbulence
National Category
Fluid Mechanics and Acoustics
Identifiers
URN: urn:nbn:se:kth:diva-181671DOI: 10.1007/978-3-319-01860-7_29ScopusID: 2-s2.0-84943263182ISBN: 9783319018591OAI: oai:DiVA.org:kth-181671DiVA: diva2:910558
Conference
5th iTi Conference in Turbulence, 2012, 25 April 2012 through 25 April 2012
Note

QC 20160309

Available from: 2016-03-09 Created: 2016-02-02 Last updated: 2016-03-09Bibliographically approved

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Vester, AthanasiaÖrlü, RamisTillmark, NilsAlfredsson, Henrik
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