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Ultrasonic flow metering errors due to pulsating flow
Luleå tekniska universitet.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.
University of Southern Denmark.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.ORCID iD: 0000-0002-4133-3317
2004 (English)In: Flow Measurement and Instrumentation, ISSN 0955-5986, E-ISSN 1873-6998, Vol. 15, no 3, p. 179-185Article in journal (Refereed) Published
Abstract [en]

Transit-time ultrasonic flow meters present some advantages over other flow meters for district heating industries. They are both accurate and non-intrusive. It is well-known that ultrasonic flow meters are sensitive to installation effects. Installation effects could be static or dynamic. Among the possible dynamic installation effects is pulsating flow. The influence of pulsating flow on the prediction and the zero-crossing operations is investigated. Expressions are found for the prediction error and the zero-crossing error. The relative errors due to the prediction and the zero-crossing are plotted. The prediction error can reach dramatic values while the zero-crossing operation is hardly influenced by flow pulsations.

Place, publisher, year, edition, pages
2004. Vol. 15, no 3, p. 179-185
National Category
Signal Processing Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Signal Processing; Industrial Electronics
Identifiers
URN: urn:nbn:se:ltu:diva-16151DOI: 10.1016/j.flowmeasinst.2003.12.003ISI: 000221594700007Scopus ID: 2-s2.0-1942434520Local ID: fbdbf960-799f-11db-8824-000ea68e967bOAI: oai:DiVA.org:ltu-16151DiVA, id: diva2:989127
Note
Validerad; 2004; 20060922 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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