WO2006060767A2 - 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
WO2006060767A2
WO2006060767A2 PCT/US2005/043906 US2005043906W WO2006060767A2 WO 2006060767 A2 WO2006060767 A2 WO 2006060767A2 US 2005043906 W US2005043906 W US 2005043906W WO 2006060767 A2 WO2006060767 A2 WO 2006060767A2
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
WO2006060767A3 (en
Inventor
Daniel L. Gysling
Original Assignee
Cidra Corporation
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 Cidra Corporation filed Critical Cidra Corporation
Publication of WO2006060767A2 publication Critical patent/WO2006060767A2/en
Publication of WO2006060767A3 publication Critical patent/WO2006060767A3/en

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
    • G01F1/8409—Coriolis or gyroscopic mass flowmeters constructional details
    • G01F1/8413—Coriolis or gyroscopic mass flowmeters constructional details means for influencing the flowmeter's motional or vibrational behaviour, e.g., conduit support or fixing means, or conduit attachments
    • 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
    • G01F1/66—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/666—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters by detecting noise and sounds generated by the flowing 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
    • G01F1/74—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
    • G01F1/78—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
    • G01F1/8409—Coriolis or gyroscopic mass flowmeters constructional details
    • G01F1/8436—Coriolis or gyroscopic mass flowmeters constructional details signal processing
    • 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
    • G01F1/845—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits
    • G01F1/8468—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits
    • G01F1/8472—Coriolis or gyroscopic 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
    • G01F1/8477—Coriolis or gyroscopic 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
    • 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

Landscapes

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

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.

Description


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Claims

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PCT/US2005/043906 2004-11-30 2005-11-30 Apparatus and method for compensating a coriolis meter WO2006060767A2 (en)

Applications Claiming Priority (2)

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

Publications (2)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102749104A (en) * 2012-07-24 2012-10-24 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
US20170254688A1 (en) * 2014-10-21 2017-09-07 Micro Motion, Inc. Apparatus for applying a variable zero algorithm in a vibrating flowmeter and related method

Family Cites Families (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
US7058549B2 (en) * 2003-01-21 2006-06-06 C1Dra Corporation Apparatus and method for measuring unsteady pressures within a large diameter pipe
ATE414261T1 (en) * 2003-07-15 2008-11-15 Expro Meters Inc APPARATUS AND METHOD FOR COMPENSATING A CORIOLIS FLOW METER

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102749104A (en) * 2012-07-24 2012-10-24 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
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
US20170254688A1 (en) * 2014-10-21 2017-09-07 Micro Motion, Inc. Apparatus for applying a variable zero algorithm in a vibrating flowmeter and related method
US11226221B2 (en) * 2014-10-21 2022-01-18 Micro Motion, Inc. Apparatus for applying a variable zero algorithm in a vibrating flowmeter and related method

Also Published As

Publication number Publication date
WO2006060767A3 (en) 2006-08-24

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