WO2006060767A3 - Apparatus and method for compensating a coriolis meter - Google Patents

Apparatus and method for compensating a coriolis meter Download PDF

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Publication number
WO2006060767A3
WO2006060767A3 PCT/US2005/043906 US2005043906W WO2006060767A3 WO 2006060767 A3 WO2006060767 A3 WO 2006060767A3 US 2005043906 W US2005043906 W US 2005043906W WO 2006060767 A3 WO2006060767 A3 WO 2006060767A3
Authority
WO
WIPO (PCT)
Prior art keywords
volume fraction
meter
gas volume
density
reduced
Prior art date
Application number
PCT/US2005/043906
Other languages
French (fr)
Other versions
WO2006060767A2 (en
Inventor
Daniel L Gysling
Original Assignee
Cidra Corp
Daniel L Gysling
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
Priority to US63179304P priority Critical
Priority to US60/631,793 priority
Application filed by Cidra Corp, Daniel L Gysling filed Critical Cidra Corp
Publication of WO2006060767A2 publication Critical patent/WO2006060767A2/en
Publication of WO2006060767A3 publication Critical patent/WO2006060767A3/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow
    • G01F1/76Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78Direct mass flowmeters
    • G01F1/80Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84Gyroscopic mass flowmeters
    • G01F1/8409Gyroscopic mass flowmeters constructional details
    • G01F1/8413Gyroscopic mass flowmeters constructional details means for influencing the flowmeter's motional or vibrational behaviour, e.g., conduit support or fixing means, or conduit attachments
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow
    • G01F1/66Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow by measuring frequency, phaseshift, or propagation time of electromagnetic or other waves, e.g. ultrasonic flowmeters
    • G01F1/666Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow by measuring frequency, phaseshift, or propagation time of electromagnetic or other waves, e.g. ultrasonic flowmeters by detecting noise and sounds generated by the flowing fluid
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow
    • G01F1/74Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow
    • G01F1/76Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78Direct mass flowmeters
    • G01F1/80Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84Gyroscopic mass flowmeters
    • G01F1/8409Gyroscopic mass flowmeters constructional details
    • G01F1/8436Gyroscopic mass flowmeters constructional details signal processing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow
    • G01F1/76Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78Direct mass flowmeters
    • G01F1/80Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84Gyroscopic mass flowmeters
    • G01F1/845Gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits
    • G01F1/8468Gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits
    • G01F1/8472Gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits having curved measuring conduits, i.e. whereby the measuring conduits' curved center line lies within a plane
    • G01F1/8477Gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits having curved measuring conduits, i.e. whereby the measuring conduits' curved center line lies within a plane with multiple measuring conduits
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/002Investigating 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

Abstract

A flow measuring system is provided that provides at least one of a compensated mass flow rate measurement and a compensated density measurement. The flow measuring system includes a gas volume fraction meter in combination with a coriolis meter. The GVF meter measures acoustic pressures propagating through the fluids to measure the speed of sound αmix propagating through the fluid to calculate at least gas volume fraction of the fluid and/or the reduced natural frequency. For determining an improved density for the coriolis meter, the calculated gas volume fraction and/or the reduced natural frequency. For determining an improved density for the coriolis meter, the calculated gas volume fraction and/or reduced frequency is provided to a processing unit. The improved density is determined using analytically derived or empirically derived density calibration models (or formulas derived therefore), which is a function of the measured natural frequency and at least one of the determined FV, reduced frequency and speed of sound, or any combination thereof. The gas volume fraction (GVF) meter may include a sensing device having a plurality of strain-based or pressure sensors spaced axially along the pipe for measuring the acoustic pressures propagating through the flow.
PCT/US2005/043906 2004-11-30 2005-11-30 Apparatus and method for compensating a coriolis meter WO2006060767A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US63179304P true 2004-11-30 2004-11-30
US60/631,793 2004-11-30

Publications (2)

Publication Number Publication Date
WO2006060767A2 WO2006060767A2 (en) 2006-06-08
WO2006060767A3 true WO2006060767A3 (en) 2006-08-24

Family

ID=36377511

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/043906 WO2006060767A2 (en) 2004-11-30 2005-11-30 Apparatus and method for compensating a coriolis meter

Country Status (1)

Country Link
WO (1) WO2006060767A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102749104B (en) * 2012-07-24 2014-09-24 兰州海默科技股份有限公司 Method for accurately measuring gas flow and liquid flow in gas and liquid mixed fluid

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5594180A (en) * 1994-08-12 1997-01-14 Micro Motion, Inc. Method and apparatus for fault detection and correction in Coriolis effect mass flowmeters
WO2004065912A2 (en) * 2003-01-21 2004-08-05 Cidra Corporation Apparatus and method for measuring unsteady pressures within a large diameter pipe
WO2005010470A2 (en) * 2003-07-15 2005-02-03 Cidra Corporation An apparatus and method for compensating a coriolis meter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5594180A (en) * 1994-08-12 1997-01-14 Micro Motion, Inc. Method and apparatus for fault detection and correction in Coriolis effect mass flowmeters
WO2004065912A2 (en) * 2003-01-21 2004-08-05 Cidra Corporation Apparatus and method for measuring unsteady pressures within a large diameter pipe
WO2005010470A2 (en) * 2003-07-15 2005-02-03 Cidra Corporation An apparatus and method for compensating a coriolis meter

Also Published As

Publication number Publication date
WO2006060767A2 (en) 2006-06-08

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