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Development of a pressure based vortex-shedding meter: measuring unsteady mass-flow in variable density gases
KTH, School of Engineering Sciences (SCI), Mechanics. KTH, School of Industrial Engineering and Management (ITM), Centres, Competence Center for Gas Exchange (CCGEx).
KTH, School of Engineering Sciences (SCI), Mechanics. KTH, School of Industrial Engineering and Management (ITM), Centres, Competence Center for Gas Exchange (CCGEx). KTH, School of Engineering Sciences (SCI), Centres, Linné Flow Center, FLOW. (HENRIK ALFREDSSON)ORCID iD: 0000-0003-0976-2004
KTH, School of Engineering Sciences (SCI), Mechanics. KTH, School of Industrial Engineering and Management (ITM), Centres, Competence Center for Gas Exchange (CCGEx). KTH, School of Engineering Sciences (SCI), Centres, Linné Flow Center, FLOW. (HENRIK ALFREDSSON)ORCID iD: 0000-0002-1146-3241
2016 (English)In: Measurement science and technology, ISSN 0957-0233, E-ISSN 1361-6501, Vol. 27, no 8, article id 085901Article in journal (Refereed) Published
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Abstract [en]

An entirely pressure-based vortex-shedding meter has been designed for use in practical time-dependent flows. The meter is capable of measuring mass-flow rate in variable density gases in spite of the fact that fluid temperature is not directly measured. Unlike other vortex meters, a pressure based meter is incredibly robust and may be used in industrial type flows; an environment wholly unsuitable for hot-wires for example. The meter has been tested in a number of static and dynamic flow cases, across a range of mass-flow rates and pressures. The accuracy of the meter is typically better than about 3% in a static flow and resolves the fluctuating mass-flow with an accuracy that is better than or equivalent to a hot-wire method.

Place, publisher, year, edition, pages
Institute of Physics Publishing (IOPP), 2016. Vol. 27, no 8, article id 085901
Keywords [en]
vortex-meter, pulsating, mass-flow, measurement, unsteady
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-190551DOI: 10.1088/0957-0233/27/8/085901ISI: 000380124800037Scopus ID: 2-s2.0-84979085082OAI: oai:DiVA.org:kth-190551DiVA, id: diva2:952715
Note

QC 20160815

Available from: 2016-08-15 Created: 2016-08-12 Last updated: 2017-11-28Bibliographically approved

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Ford, C. L.Winroth, MarcusAlfredsson, P. Henrik
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