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FPGA-based system for in-line measurement of velocity profiles of fluids in industrial pipe flow
University of Florence, Florence, Italy.
University of Florence, Florence, Italy.
Sika Services AG, Zurich, Switzerland.
RISE - Research Institutes of Sweden, Bioscience and Materials, Agrifood and Bioscience.
2017 (English)In: IEEE transactions on industrial electronics (1982. Print), ISSN 0278-0046, E-ISSN 1557-9948, Vol. 64, no 5, 3997-4005 p.Article in journal (Refereed) Published
Abstract [en]

The rheology of a fluid flowing in an industrial process pipe can be calculated by combining the pressure drop and the velocity profile that the fluid develops across the tube diameter. The profile is obtained noninvasively through an ultrasound Doppler investigation. Unfortunately, at present, no system capable of real-time velocity profile assessment is available for in-line industrial rheological measurements, and tests are operated by manually moving fluid specimens to specialized laboratories. In this work, we present an embedded system capable of in-line and real-time measurement of velocity profile and pressure drop, which enables the automatic rheological characterization of non-Newtonian fluids in process pipes. The system includes all the electronics for the ultrasound front-end, as well as the digital devices for the real-time calculation of the velocity profile. The proposed system is highly programmable, low-noise, and specifically targeted for industrial use. It is shown capable of producing, for example, 512-point velocity profiles at 45 Hz rate. An application is presented where a sludge fluid, flowing at 600 L/min in a 48 mm diameter high-grade stainless steel pipe, is characterized in real-time with a ±5% accuracy.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers Inc. , 2017. Vol. 64, no 5, 3997-4005 p.
Keyword [en]
Doppler measurement, Fluid characterization, Fluid flow control, Fluid flow measurement, Digital devices, Drops, Field programmable gate arrays (FPGA), Flow measurement, Non Newtonian flow, Non Newtonian liquids, Pressure drop, Rheology, Stainless steel, Ultrasonics, Velocity, In-line measurements, Non-Newtonian fluids, Real time measurements, Real-time calculations, Rheological characterization, Rheological measurements, Flow of fluids
National Category
Computer and Information Science
Identifiers
URN: urn:nbn:se:ri:diva-29780DOI: 10.1109/TIE.2016.2645503Scopus ID: 2-s2.0-85018962094OAI: oai:DiVA.org:ri-29780DiVA: diva2:1108339
Available from: 2017-06-12 Created: 2017-06-12 Last updated: 2017-06-12Bibliographically approved

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CiteExportLink to record
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