WO2006019487A3 - Acoustic flowmeter calibration method - Google Patents

Acoustic flowmeter calibration method Download PDF

Info

Publication number
WO2006019487A3
WO2006019487A3 PCT/US2005/021548 US2005021548W WO2006019487A3 WO 2006019487 A3 WO2006019487 A3 WO 2006019487A3 US 2005021548 W US2005021548 W US 2005021548W WO 2006019487 A3 WO2006019487 A3 WO 2006019487A3
Authority
WO
WIPO (PCT)
Prior art keywords
flowmeter
calibration
calibration method
acoustic
temperature
Prior art date
Application number
PCT/US2005/021548
Other languages
French (fr)
Other versions
WO2006019487A2 (en
Inventor
Timothy A Nevius
Original Assignee
Horiba Instr Inc
Timothy A Nevius
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 Horiba Instr Inc, Timothy A Nevius filed Critical Horiba Instr Inc
Priority to DE112005001773.7T priority Critical patent/DE112005001773B4/en
Priority to JP2007522508A priority patent/JP4724714B2/en
Publication of WO2006019487A2 publication Critical patent/WO2006019487A2/en
Priority to GB0700762A priority patent/GB2430261B/en
Publication of WO2006019487A3 publication Critical patent/WO2006019487A3/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/02—Compensating or correcting for variations in pressure, density or temperature
    • G01F15/04—Compensating or correcting for variations in pressure, density or temperature of gases to be measured
    • G01F15/043—Compensating or correcting for variations in pressure, density or temperature of gases to be measured using electrical means
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/02—Compensating or correcting for variations in pressure, density or temperature
    • G01F15/022—Compensating or correcting for variations in pressure, density or temperature using electrical means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters

Abstract

An acoustic flowmeter calibration method and sampling system address a variation in acoustic transducer delay time with increasing temperature. In one aspect, calibration of the path length between the sending and receiving transducers and calibration of the transducer delay time over a wide temperature range are optimized. In another aspect, the flowmeter output is temperature compensated based on the exhaust flowmeter gas temperature. These two aspects may be embodied in an ultrasonic flowmeter for exhaust gas measurement individually or in combination in accordance with the invention.
PCT/US2005/021548 2004-07-21 2005-06-17 Acoustic flowmeter calibration method WO2006019487A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE112005001773.7T DE112005001773B4 (en) 2004-07-21 2005-06-17 Method for calibrating acoustic flowmeters
JP2007522508A JP4724714B2 (en) 2004-07-21 2005-06-17 Acoustic flow meter calibration method
GB0700762A GB2430261B (en) 2004-07-21 2007-01-16 Acoustic flowmeter calibration method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/895,625 2004-07-21
US10/895,625 US7124621B2 (en) 2004-07-21 2004-07-21 Acoustic flowmeter calibration method

Publications (2)

Publication Number Publication Date
WO2006019487A2 WO2006019487A2 (en) 2006-02-23
WO2006019487A3 true WO2006019487A3 (en) 2007-01-25

Family

ID=35655709

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/021548 WO2006019487A2 (en) 2004-07-21 2005-06-17 Acoustic flowmeter calibration method

Country Status (5)

Country Link
US (1) US7124621B2 (en)
JP (1) JP4724714B2 (en)
DE (1) DE112005001773B4 (en)
GB (1) GB2430261B (en)
WO (1) WO2006019487A2 (en)

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EP2345876B1 (en) * 2010-01-18 2019-09-11 Flow-Tronic S.A. Method for avoiding jumps in measurement results and improving accuracy in hybrid flow meters
US8302455B2 (en) * 2011-02-11 2012-11-06 Daniel Measurement And Control, Inc. Determining delay times for ultrasonic flow meters
EP2686643A4 (en) 2011-03-18 2014-09-10 Soneter Llc Methods and apparatus for fluid flow measurement
AT509641B1 (en) * 2011-06-24 2012-08-15 Avl List Gmbh METHOD FOR DETERMINING FLUX FLOW AFTER ULTRASONIC TIME METHOD
JP6173309B2 (en) 2012-06-01 2017-08-02 株式会社堀場製作所 Exhaust gas dilution device
CN102901515A (en) * 2012-09-28 2013-01-30 浙江大学 Rapid on-line measuring method for fiber-optic gyroscope transition time
CN103063275B (en) * 2012-12-26 2015-03-18 宁波水表股份有限公司 Device for testing comprehensive performance of ultrasonic water flow transducer and application method of device
DE102013107988A1 (en) * 2013-07-26 2015-02-19 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Wash water pump device and method of control
US9927325B2 (en) * 2014-03-13 2018-03-27 Siemens Energy, Inc. Method and system for determining distribution of temperature and velocity in a gas turbine engine
CN103837214B (en) * 2014-03-25 2017-02-01 重庆市计量质量检测研究院 Combined container type gas flow detection device by pVTt method
US9897474B2 (en) * 2014-03-25 2018-02-20 Greg Haber Apparatus and method for monitoring fuel oil delivery
US9927306B2 (en) * 2014-03-25 2018-03-27 Greg Haber Apparatus and method for monitoring fuel oil delivery
JP6404030B2 (en) * 2014-08-12 2018-10-10 株式会社堀場製作所 Information processing apparatus for exhaust gas measurement, exhaust gas measurement system and program
CN104406642B (en) * 2014-11-24 2017-10-03 天津商业大学 A kind of transit time ultrasonic flow meters accurate measurement method
US10682451B2 (en) * 2015-04-22 2020-06-16 Nikkiso Co., Ltd. Calibration method for flowmeters in blood dialysis system
DE102015107750A1 (en) * 2015-05-18 2016-11-24 Endress + Hauser Flowtec Ag Measuring system for measuring at least one parameter of a fluid
AT521017B1 (en) * 2018-04-06 2019-10-15 Avl List Gmbh Method for calibrating a mass flow meter in a Constant Volume Sampling (CVS) exhaust analysis system
ES2735648B2 (en) * 2018-06-19 2020-05-20 Sedal S L U LIQUID MIXING DEVICE WITH ELECTRONIC CONTROL OF HIGH DYNAMICS OF REGULATION AND METHOD OF OPERATION OF THE SAME
EP3887769A4 (en) * 2018-11-30 2022-08-03 Baker Hughes Holdings Llc In situ ultrasonic flow meter validation
US20200209031A1 (en) * 2018-12-26 2020-07-02 Texas Instruments Incorporated Dynamic temperature calibration of ultrasonic transducers
JP6956344B2 (en) * 2019-02-01 2021-11-02 シェンチェン グディックス テクノロジー カンパニー，リミテッド Signal processing circuits and associated chips, flow meters and methods
WO2020155085A1 (en) 2019-02-01 2020-08-06 深圳市汇顶科技股份有限公司 Signal processing circuit, and related chip, flowmeter and method
US20210207984A1 (en) * 2020-01-07 2021-07-08 Trustees Of Tufts College Systems and methods for operation of a sonic anemometer
CN111256788B (en) * 2020-03-24 2022-02-11 青岛清万水技术有限公司 Time difference method ultrasonic flowmeter calibration method

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US5440936A (en) * 1992-11-16 1995-08-15 Triton Technology, Inc. Compact x-cross transducer array for a transit time flowmeter, particularly for use during in-vivo blood flow measurement

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US3935735A (en) * 1974-09-03 1976-02-03 Badger Meter, Inc. Ultrasonic flow meter
US4397193A (en) * 1981-04-07 1983-08-09 Fischer & Porter Company Transducer drive circuit for ultrasonic flowmeter
US5280728A (en) * 1990-11-05 1994-01-25 Tokimec Inc. Ultrasonic flow velocity measurement method and apparatus thereof
US5440936A (en) * 1992-11-16 1995-08-15 Triton Technology, Inc. Compact x-cross transducer array for a transit time flowmeter, particularly for use during in-vivo blood flow measurement

Also Published As

Publication number Publication date
GB2430261A (en) 2007-03-21
WO2006019487A2 (en) 2006-02-23
DE112005001773B4 (en) 2014-05-22
JP4724714B2 (en) 2011-07-13
JP2008507693A (en) 2008-03-13
DE112005001773T5 (en) 2007-07-26
US20060016243A1 (en) 2006-01-26
US7124621B2 (en) 2006-10-24
GB0700762D0 (en) 2007-02-21
GB2430261B (en) 2009-02-18

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