Volume Fraction Estimation in Pneumatic Conveying from Tomographic Measurements

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    Abstract

    Electrical capacitance tomography (ECT) is a well-established technique for process monitoring. ECT is used to observe goods and process optimization in industrial applications. High temperatures or high pressures are common conditions in industrial environments. To dislocate the vulnerable ECT measurement electronics from the sensor, where such unfavourable conditions may prevail, long instrumentation lines are required. For increasing excitation frequencies, impedance transformation properties of those lines emerge. To overcome this undesired effect, we propose a front-end structure which meets the characteristic instrumentation line impedance. In this paper we present the analysis of a 50 Ω matched front-end design for electrical capacitance tomography. The transmitter stage as well as the receiver is analysed by means of simulations. The results are compared with a commonly used low-impedance structure. Further insights of the matched receiver structure are obtained by measurements, carried out with a realized prototype.
    Originalspracheenglisch
    TitelProceedings of the 9th World Congress on Industrial Process Tomography
    Herausgeber (Verlag)International Society for Industrial Process Tomography
    Seitenumfang9
    PublikationsstatusVeröffentlicht - Sep 2018
    Veranstaltung9th World Congress on Industrial Process Tomography - University of Bath, Bath, Großbritannien / Vereinigtes Königreich
    Dauer: 2 Sep 20186 Sep 2018
    Konferenznummer: 9
    https://www.isipt.org/wcipt9

    Konferenz

    Konferenz9th World Congress on Industrial Process Tomography
    KurztitelWCIPT 2018
    LandGroßbritannien / Vereinigtes Königreich
    OrtBath
    Zeitraum2/09/186/09/18
    Internetadresse

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  • Dieses zitieren

    Suppan, T., Neumayer, M., Bretterklieber, T., & Stefan, P. (2018). Volume Fraction Estimation in Pneumatic Conveying from Tomographic Measurements. in Proceedings of the 9th World Congress on Industrial Process Tomography International Society for Industrial Process Tomography.