WO2022037862A1 - Système de mesure de débit - Google Patents

Système de mesure de débit Download PDF

Info

Publication number
WO2022037862A1
WO2022037862A1 PCT/EP2021/069993 EP2021069993W WO2022037862A1 WO 2022037862 A1 WO2022037862 A1 WO 2022037862A1 EP 2021069993 W EP2021069993 W EP 2021069993W WO 2022037862 A1 WO2022037862 A1 WO 2022037862A1
Authority
WO
WIPO (PCT)
Prior art keywords
measuring
measuring device
flow
pressure
medium
Prior art date
Application number
PCT/EP2021/069993
Other languages
German (de)
English (en)
Inventor
Andreas Güttler
Hao Zhu
Original Assignee
Endress+Hauser Flowtec Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Endress+Hauser Flowtec Ag filed Critical Endress+Hauser Flowtec Ag
Publication of WO2022037862A1 publication Critical patent/WO2022037862A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78—Direct mass flowmeters
    • G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84—Coriolis or gyroscopic mass flowmeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
    • G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/363—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction with electrical or electro-mechanical indication
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
    • G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/40—Details of construction of the flow constriction devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/74—Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/86—Indirect mass flowmeters, e.g. measuring volume flow and density, temperature or pressure
    • G01F1/88—Indirect mass flowmeters, e.g. measuring volume flow and density, temperature or pressure with differential-pressure measurement to determine the volume flow
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/32—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by using flow properties of fluids, e.g. flow through tubes or apertures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
    • G01N2009/006—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis vibrating tube, tuning fork

Definitions

  • the invention relates to a flow measuring arrangement for measuring a flow of a medium flowing through a pipeline with at least two medium components of different states of aggregation, comprising a Coriolis measuring device and a differential pressure measuring device.
  • a Coriolis measuring device set up to measure a density of the medium comprising at least one measuring tube, at least one vibration exciter for exciting measuring tube vibrations, at least two vibration sensors for detecting the measuring tube vibrations, and an electronic measuring/operating circuit for operating the vibration exciter and for recording measurement signals from the vibration sensors and for outputting density readings of the medium;
  • a differential pressure measuring device set up to measure a mass flow rate or a flow rate of the medium comprising a measuring tube with a differential pressure transmitter with a flow cross-section constriction set up to measure a first pressure drop in the medium, which first pressure drop is caused by the differential pressure transmitter, and at least two pressure sensors and/or a differential pressure sensor and an electronic measuring/operating circuit for operating the pressure sensors and for outputting differential pressure readings of the first pressure drop; wherein the Coriolis measuring device and the effective pressure measuring device are integrated into the pipeline, wherein the effective pressure measuring device is arranged downstream of the Coriolis measuring device, wherein an electronic measuring/operating circuit is provided which is set up to derive from the measured density and from the measured first pressure drop a mass flow, to determine a volume flow rate or a flow rate of the medium through the pipeline, characterized in that the Coriolis measuring device is arranged in a vertical or horizontal section of the pipeline, the effective pressure measuring device being arranged in a horizontal section of the pipeline.
  • a mass flow or a flow rate or volume flow of the medium through the pipeline can be determined from the first pressure drop measured with the effective pressure measuring device and the density of the medium determined with the Coriolis measuring device.
  • the Coriolis measuring device is set up to include the presence of the gaseous medium component in a calculation of measured density values when a gaseous medium component is detected.
  • the presence of gas bubbles in the medium can greatly falsify a density measurement using a Coriolis measuring device, even with a very small proportion of a total volume, since these gas bubbles in the medium react to measuring tube vibrations. Correcting for this influence can therefore greatly improve a measurement of the density of the medium.
  • the gas bubbles in the medium move in the measuring tube of the Coriolis measuring device, depending on the gas bubble diameter, among other things, perpendicular to an inner wall of the measuring tube in a direction parallel to the measuring tube movement and thus influence measured values with regard to density and viscosity.
  • this relative movement can be taken into account and the disruptive influence of the gas bubbles can thus be corrected.
  • the person skilled in the art can find more about the model, for example, in H. Zhu, Application of Coriolis Mass Flowmeters in Bubbly and Particulate Two-Phase Flows, Shaker, ISBN 978-3-8322-8216-5, 2009.
  • the narrowing of the flow cross section is brought about by one of the following elements: An orifice, a Venturi nozzle, a measuring tube taper.
  • the flow rate measuring arrangement has a mixing device between the Coriolis measuring device and the differential pressure measuring device, which is set up to mix the media components.
  • the mixing device is a T-piece, a pipe bend, or a flow resistance element arranged in a pipe bend.
  • a distance between a media outlet of the mixing device and the narrowing of the flow cross section of the differential pressure measuring device is at most 10 internal diameters of the pipeline and at least 5 internal diameters of the pipeline.
  • the pipeline has an inside diameter and a center line, with the Coriolis measuring device having a media inlet and a media outlet, with a distance between the media outlet and the flow cross-section constriction flow cross-section constriction of the differential pressure measuring device being at most 10 inside diameters and at least 5 inside diameters.
  • the electronic measuring/operating circuit is the Coriolis measuring device or the differential pressure measuring device, or the electronic measuring/operating circuit is part of a separate evaluation point.
  • the measuring arrangement has, in addition to the differential pressure sensor, a pressure sensor which is set up to measure the media pressure upstream of the narrowing of the flow cross section.
  • the pressure sensor is part of the differential pressure measuring device, with the pressure sensor being connected to a measuring input of the differential pressure measuring device.
  • the pressure sensor can, for example, be connected to a pressure line of the differential pressure measuring device or have its own pressure line to the pipeline. Other configurations are also conceivable.
  • the pressure sensor can transmit its own measured pressure values to the differential pressure measuring device via the measuring input.
  • a water content measuring device for measuring a water content of the medium.
  • the Coriolis measuring device is set up to store measured values of the density of the medium if there is no gaseous medium component, and to use the stored measured values to determine a ratio of the gaseous medium component to the remaining medium component if a gaseous medium component is present.
  • a differential pressure measuring device which is set up to determine a second pressure drop along the Coriolis measuring device, the electronic measuring/operating circuit being set up to use the second pressure drop to determine a viscosity of the medium when a gaseous medium compartment is present.
  • the at least one measuring tube is bent at least in sections, and/or the Coriolis measuring device has a number of measuring tubes.
  • figs 4 a) to c) outline exemplary implementations of a mixing device.
  • FIG. 1 shows an exemplary flow rate measuring arrangement 1 with a Coriolis measuring device 10 and a differential pressure measuring device 20, the differential pressure measuring device being arranged in a pipeline 60 downstream of the Coriolis measuring device.
  • the Coriolis measuring device is set up to record a density of the medium flowing through the pipeline.
  • the Differential pressure measuring device is set up to cause a first pressure drop in the flowing medium by means of a differential pressure transmitter 22 in the form of a flow cross-section constriction 22.1, see also FIG. 3, and to measure this and to calculate a flow rate from this first pressure drop.
  • the differential pressure sensor is part of a measuring tube 21 of the differential pressure measuring device.
  • the differential pressure measuring device Due to the fact that the differential pressure measuring device is arranged downstream of the Coriolis measuring device, the differential pressure measuring device in the case of media with at least two immiscible media components experiences a medium with an approximately uniform spatial distribution of these media components, since Coriolis measuring devices at a flow outlet contribute to such a uniform distribution if at least one measuring tube of the Coriolis measuring device is designed at least in sections arcuate or the medium is distributed over several measuring tubes of the Coriolis measuring device. A differential pressure caused by the narrowing of the flow cross section can thus be determined with sufficient accuracy.
  • a mass flow rate or a flow rate of the medium through the pipeline can be determined from the first pressure drop measured with the differential pressure meter or the flow rate derived therefrom in a flow cross section and the density of the medium determined with the Coriolis meter.
  • the measuring arrangement is set up to determine a mass flow rate of a medium with a number of medium components, with the pressure drop recorded by the differential pressure measuring device and the density of the medium recorded by the Coriolis measuring device being used. For example, when determining the density of the medium, the presence of gas bubbles in the medium can be checked and, if they are present, an interference effect of the gas bubbles on a density measurement can be corrected. The check is based, among other things, on the measurement of a viscosity of the medium, which measurement is strongly influenced by gas bubbles.
  • the presence of small gas bubbles in the medium can greatly falsify a density measurement using a Coriolis measuring device, since these gas bubbles in the medium react to measuring tube vibrations. Correcting for this influence can therefore greatly improve a measurement of the density of the medium.
  • the gas bubbles in the medium move in the measuring tube of the Coriolis measuring device, depending on the gas bubble diameter, among other things, perpendicular to an inner wall of the measuring tube in a direction parallel to the measuring tube movement and thus influence measured values with regard to density and viscosity.
  • this relative movement can be taken into account and the disruptive influence of the gas bubbles on a density measurement can thus be corrected.
  • the basis for the correction is the measured viscosity of the medium.
  • the person skilled in the art can find more information on this, for example, in H. Zhu, Application of Coriolis Mass Flowmeters in Bubbly and Particulate Two-Phase Flows, Shaker, ISBN 978-3-8322-8216-5, 2009.
  • a medium pressure upstream of the flow cross-section constriction and a medium pressure in the area of the flow cross-section constriction or downstream of the flow cross-section constriction are recorded. As shown here, this can be carried out using a differential pressure sensor 23.2 or using two pressure sensors.
  • the differential pressure measuring device usually provides an electronic measuring/operating circuit 24 which is set up to operate the differential pressure sensor or the pressure sensors and to provide differential pressure measurement values.
  • the differential pressure measuring device can have a pressure sensor 70 which is set up to detect an absolute pressure of the medium upstream of the narrowing of the flow cross section, this detecting, for example, the medium pressure in one of the pressure lines 23.3.
  • the pressure lines can have a significantly smaller cross-section than the pipeline and thus act as a low-pass filter, which can be advantageous for a signal-to-noise ratio of a pressure measurement.
  • the Coriolis measuring device is arranged according to the invention in a vertical or also in a horizontal pipe section 61
  • the effective pressure measuring device is arranged according to the invention in a horizontal pipe section 62 .
  • a very similar hydrostatic pressure can be ensured for the Coriolis meter and the differential pressure meter.
  • no hydrostatic pressure difference between media pressure pick-up points of a differential pressure measurement is falsified.
  • An arrangement of the Coriolis measuring device in a vertical section of the pipeline is particularly preferred, since in this way there is less segregation of the medium.
  • the flow measuring arrangement can have a differential pressure measuring device 80 which is set up to determine a second pressure drop of the medium along the Coriolis measuring device.
  • the differential pressure measuring device uses two pressure lines 81 to pick up a media pressure in front of and a media pressure behind the Coriolis measuring device.
  • An electronic measuring/operating circuit 84 is set up to operate the differential pressure measuring device and to output differential pressure measured values or measured values of the second pressure drop.
  • An electronic measuring/operating circuit 14 of the Coriolis measuring device is set up to determine a viscosity of the medium by means of measured values of the second pressure drop when a gaseous medium compartment is present. What was said above applies to the functioning of a differential pressure or pressure drop determination.
  • the measuring accuracy of the effective pressure transmitter can be improved by means of the viscosity determined via the second pressure drop.
  • a calibration factor which describes a relationship between the pressure drop and the measured flow value of the differential pressure transducer, is practically constant at high Reynolds numbers over a wide Reynolds number range, but is subject to changes that cannot be ignored at low Reynolds numbers.
  • the calibration factor can be calculated according to the standards ISO 5167-1:2003, ISO 5167-2:2003, ISO 5167-3:2003, ISO 5167-4:2003, ISO 5167-5:2015, ISO 5167-6 :2019 are calculated.
  • the flow rate measuring arrangement can have a water content measuring device 90 as shown here.
  • mass flow rates for oil and water can be specified separately if the water content is known.
  • the water content measuring device can use one of the following measured variables, for example: speed of sound of the medium, transparency with regard to electromagnetic radiation such as microwave radiation or THz radiation or infrared radiation or optical radiation or gamma radiation.
  • the mass flow of the medium through the pipeline can be determined, as shown here, by means of a separate evaluation point 30 with an electronic operating circuit 34 .
  • measured values of the individual measuring devices are transmitted to the evaluation center. This can be done wirelessly or, as indicated here with the Coriolis measuring device and the differential pressure measuring device, by means of electrically conductive connections. Alternatively, however, the measured values can also be fed to an electronic measuring/operating circuit (14, 24, 84) of one of the measuring devices. What has just been said applies accordingly to the transmission of measured values.
  • the flow rate measuring arrangement has a mixing device 40 between the Coriolis measuring device and the differential pressure measuring device, which is set up to mix the media components or to swirl the medium, so that different media components that are difficult or impossible to mix are spatially evenly distributed to a good approximation are. In this way, it can be ensured that an effective pressure measurement delivers at most slightly falsified measured values.
  • FIG. 2 outlines an exemplary Coriolis measuring device as can be used in a flow measuring arrangement according to the invention.
  • the Coriolis measuring device 10 has a measuring sensor with two measuring tubes 11 each with an inlet and an outlet, which measuring tubes are held by a carrier body 16 .
  • the measuring tubes are designed to oscillate against each other.
  • the number of measuring tubes shown here is an example; the sensor can, for example, also have just one measuring tube or four measuring tubes, which are used in particular in two pairs of measuring tubes are arranged, the measuring tubes of a pair being set up to oscillate against one another.
  • the measuring sensor has an exciter 12 which is set up to excite the measuring tubes to oscillate.
  • the measuring pickup has two sensors 13 which are set up to detect the measuring tube vibrations.
  • a medium flowing through the measuring tubes influences the measuring tube vibrations in a characteristic manner, so that a mass flow rate and/or a density of the medium and/or a viscosity of the medium can be derived from the measurement signals of the sensors.
  • the electronic measuring/operating circuit 14 is housed in a housing 15 for housing the electronic measuring/operating circuit.
  • FIG. 3a outlines a measuring tube 21 of a differential pressure measuring device with an exemplary differential pressure sensor 22, which is designed as an orifice plate 22.11 and thereby causes a flow cross-section narrowing 22.1.
  • the narrowing of the flow cross section can also be formed by a measuring tube narrowing extended in the direction of flow.
  • a Venturi nozzle 22.12 can also be inserted into the pipeline as an effective pressure transmitter 22, which brings about the narrowing of the flow cross section.
  • Pressure lines 23.3 can pick up a medium pressure as shown in FIG. 3a) in front of and behind the narrowing of the flow cross section, or as shown in FIGS. 3 b) and c) in front of and in an area of the narrowing of the flow cross-section.
  • figs 4 a to c) outline exemplary mixing devices according to the invention, which are set up to swirl the medium before it enters the differential pressure measuring device, so that if there are several immiscible medium components, the components are approximately uniformly distributed in space.
  • the mixing devices are arranged between the Coriolis measuring device and the differential pressure measuring device.
  • Suitable conditions exist, for example, when the medium is sufficiently viscous so that no significant segregation takes place up to the differential pressure measuring device.
  • a flow resistance element 43 can be arranged in a pipeline section such as a pipeline bend.
  • a right-angled pipeline element or, alternatively, a T-piece can be used, which, in the case of a flowing medium, is used for turbulence of the medium cares.
  • Pipe element integrated into the pipe.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measuring Volume Flow (AREA)

Abstract

L'invention concerne un système de mesure de débit (1) destiné à mesurer un débit d'un milieu en écoulement, ledit système de mesure comprenant : Un appareil de mesure de Coriolis (10) conçu pour mesurer une masse volumique du milieu, un appareil de mesure à pression active (20) comprenant un tube de mesure (21) comportant un générateur de pression active (22) ayant un étranglement de section transversale d'écoulement (22.1) destiné à mesurer une première baisse de pression dans le milieu, ainsi qu'au moins deux capteurs de pression (23.1) et/ou un capteur de pression différentielle (23.2) et un circuit de mesure/commande électronique (24) pour faire fonctionner les capteurs de pression et pour fournir des valeurs de mesure de pression différentielle de la première baisse de pression, l'appareil de mesure de Coriolis et l'appareil de mesure à pression active étant intégrés dans la conduite, l'appareil de mesure à pression active étant monté en amont de l'appareil de mesure de Coriolis, un circuit de mesure/commande électronique (14, 24, 34), conçu de manière à déterminer un débit massique du milieu à travers la conduite à partir de la masse volumique mesurée ainsi que de la première baisse de pression mesurée, l'appareil de mesure de Coriolis étant conçu de sorte à intégrer la présence de la fraction gazeuse de milieu dans un calcul de valeurs de mesure de masse volumique, en cas de détection d'un composant gazeux du milieu.
PCT/EP2021/069993 2020-08-18 2021-07-16 Système de mesure de débit WO2022037862A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020121677.7A DE102020121677A1 (de) 2020-08-18 2020-08-18 Durchfluss-Messanordnung
DE102020121677.7 2020-08-18

Publications (1)

Publication Number Publication Date
WO2022037862A1 true WO2022037862A1 (fr) 2022-02-24

Family

ID=77042973

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2021/069993 WO2022037862A1 (fr) 2020-08-18 2021-07-16 Système de mesure de débit

Country Status (2)

Country Link
DE (1) DE102020121677A1 (fr)
WO (1) WO2022037862A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5359881A (en) * 1992-03-20 1994-11-01 Micro Motion, Incorporated Viscometer for sanitary applications
US6345536B1 (en) * 1998-09-10 2002-02-12 The Texas A&M University System Multiple-phase flow meter
US20080028822A1 (en) * 2006-05-08 2008-02-07 Invensys Systems, Inc. Single and Multiphase Fluid Measurements
EP2077440A1 (fr) * 2006-10-27 2009-07-08 Oval Corporation Débitmètre multiphasique
US20100280757A1 (en) * 2009-05-04 2010-11-04 Agar Corporation Ltd. Multi-Phase Fluid Measurement Apparatus and Method
WO2012129603A1 (fr) 2011-03-29 2012-10-04 Riambel Pty Ltd Appuie-tête
EP2913641A2 (fr) * 2014-02-28 2015-09-02 Yokogawa Electric Corporation Débitmètre multiphase
US20160341585A1 (en) * 2015-05-19 2016-11-24 Medeng Research Institute Ltd. Multiphase Flow Meter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5461930A (en) 1992-03-17 1995-10-31 Agar Corporation Inc. Apparatus and method for measuring two-or three-phase fluid flow utilizing one or more momentum flow meters and a volumetric flow meter
CN1245610C (zh) 2001-09-21 2006-03-15 株式会社奥巴尔 弓形管式科式流量计及其形状的确定方法
US11841255B2 (en) 2018-07-20 2023-12-12 Schlumberger Technology Corporation Systems, methods, and apparatus to measure multiphase flows

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5359881A (en) * 1992-03-20 1994-11-01 Micro Motion, Incorporated Viscometer for sanitary applications
US6345536B1 (en) * 1998-09-10 2002-02-12 The Texas A&M University System Multiple-phase flow meter
US20080028822A1 (en) * 2006-05-08 2008-02-07 Invensys Systems, Inc. Single and Multiphase Fluid Measurements
EP2077440A1 (fr) * 2006-10-27 2009-07-08 Oval Corporation Débitmètre multiphasique
US20100280757A1 (en) * 2009-05-04 2010-11-04 Agar Corporation Ltd. Multi-Phase Fluid Measurement Apparatus and Method
WO2012129603A1 (fr) 2011-03-29 2012-10-04 Riambel Pty Ltd Appuie-tête
EP2913641A2 (fr) * 2014-02-28 2015-09-02 Yokogawa Electric Corporation Débitmètre multiphase
US20160341585A1 (en) * 2015-05-19 2016-11-24 Medeng Research Institute Ltd. Multiphase Flow Meter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
H. ZHU: "Application of Coriolis Mass Flowmeters in Bubbly and Particulate Two-Phase Flows", SHAKER, 2009, ISBN: 978-3-8322-8216-5

Also Published As

Publication number Publication date
DE102020121677A1 (de) 2022-02-24

Similar Documents

Publication Publication Date Title
DE69629211T2 (de) Pitotdurchflussmesser mit mittelwertdruck
DE102010040396A1 (de) Durchflussmesser zur Erfassung einer Eigenschaft eines fluiden Mediums
DE69711846T2 (de) Bypass-durchflussmesser
EP2035821A1 (fr) Dispositif et procédé de détermination ultrasonique des concentrations de constituants d'un mélange gazeux
EP2936082B1 (fr) Débitmètre a vortex et procédé de mesure du taux de vide d'un écoulement multiphasique
EP3081908B1 (fr) Procédé et dispositif de détection de la présence d'un liquide dans un flux de gaz
DE102018101923A1 (de) Verfahren zum Feststellen von Belagsbildung in einem Messrohr und Messgerät zur Durchführung des Verfahrens
WO2017012811A1 (fr) Débitmètre à effet vortex
WO2019170767A1 (fr) Débitmètre de fluide
DE1498271A1 (de) Massendurchflussmesser
DE102007053105B4 (de) Verfahren und Vorrichtung zur Volumenstrommessung von Fluiden in Rohrleitungen
EP2169359A1 (fr) Armature de mesure et procédé de détermination d'un débit volumétrique différentiel ou additionnel
WO2014095246A1 (fr) Appareil de mesure d'écoulements turbulents et procédé de mesure de la qualité de ses conditions de fonctionnement et de montage
WO2022037862A1 (fr) Système de mesure de débit
DE102023113539A1 (de) Ultraschall-Durchflussmessvorrichtung zum Bestimmen eines Durchflusses eines fluiden Mediums durch eine Rohrleitung
DE69922663T2 (de) Vorrichtung zur messung einer volumenflüssigkeitsströmung in einem rohr
EP4381253A1 (fr) Procédé pour faire fonctionner un appareil de mesure à effet de coriolis
EP3748308A1 (fr) Débitmètre à ultrasons, utilisation d'un débitmètre à ultrasons dans un organe d'arrêt et organe d'arrêt
EP4034847B1 (fr) Agencement et procédé d'identification et de correction de mesure de débit volumétrique défectueuse
WO2021121868A1 (fr) Procédé de fonctionnement d'un point de mesure de débit pour des milieux présentant au moins une phase liquide
DE102008026620A1 (de) Verfahren zur Kalibrierung eines Ultraschall-Durchflussmessers
DE10352652A1 (de) Atemvolumenstromsensor
EP4078097A1 (fr) Procédé permettant de mesurer l'écoulement d'un milieu liquide présentant une teneur en gaz variable sur la base d'une mesure de pression différentielle
DE102009045274A1 (de) Magnetisch induktives Durchflussmessgerät
EP4130687B1 (fr) Système de débitmètre

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21745810

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21745810

Country of ref document: EP

Kind code of ref document: A1