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Combined hot-wire and PIV measurements of a swirling turbulent flow at the exit of a 90° pipe bend
KTH, School of Engineering Sciences (SCI), Mechanics. KTH, School of Engineering Sciences (SCI), Centres, Linné Flow Center, FLOW. KTH, School of Industrial Engineering and Management (ITM), Centres, Competence Center for Gas Exchange (CCGEx).ORCID iD: 0000-0001-8127-8124
KTH, School of Engineering Sciences (SCI), Mechanics. KTH, School of Engineering Sciences (SCI), Centres, Linné Flow Center, FLOW.ORCID iD: 0000-0003-3310-0633
KTH, School of Engineering Sciences (SCI), Mechanics. KTH, School of Engineering Sciences (SCI), Centres, Linné Flow Center, FLOW. KTH, School of Industrial Engineering and Management (ITM), Centres, Competence Center for Gas Exchange (CCGEx).ORCID iD: 0000-0002-1663-3553
2015 (English)In: Journal of Visualization, ISSN 1343-8875, E-ISSN 1875-8975Article in journal (Refereed) Published
Abstract [en]

Measurements of turbulent swirling flow by means of hot-wire anemometry and stereoscopic particle image velocimetry were performed, 0.67 pipe diameters downstream a 90° pipe bend. The flow for a wide range of swirl numbers up to (Formula presented.), based on the angular velocity of the pipe wall and bulk velocity, was investigated and compared to the non-swirling case. The limitations and advantages of using a single hot-wire probe in a highly complex flow field are investigated and discussed. The present paper makes available a unique database for a kind of flow that has been neglected in literature and which is believed to be useful for validation purposes for the computational fluid dynamics community.

Place, publisher, year, edition, pages
Springer, 2015.
Keyword [en]
Hot-wire anemometry, Particle image velocimetry, Swirling flow, Turbulent pipe flow
National Category
Fluid Mechanics and Acoustics
Identifiers
URN: urn:nbn:se:kth:diva-175620DOI: 10.1007/s12650-015-0310-1ISI: 000379431500010Scopus ID: 2-s2.0-84939238421OAI: oai:DiVA.org:kth-175620DiVA: diva2:865679
Note

QC 20151029. QP 201601

Available from: 2015-10-29 Created: 2015-10-19 Last updated: 2017-12-01Bibliographically approved

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Sattarzadeh, Sohrab ShirvanÖrlü, Ramis

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Kalpakli Vester, AthanasiaSattarzadeh, Sohrab ShirvanÖrlü, Ramis
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MechanicsLinné Flow Center, FLOWCompetence Center for Gas Exchange (CCGEx)
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Journal of Visualization
Fluid Mechanics and Acoustics

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