DE69228306T2 - Modenunterdrückung bei der durchflussmessung - Google Patents

Modenunterdrückung bei der durchflussmessung

Info

Publication number
DE69228306T2
DE69228306T2 DE69228306T DE69228306T DE69228306T2 DE 69228306 T2 DE69228306 T2 DE 69228306T2 DE 69228306 T DE69228306 T DE 69228306T DE 69228306 T DE69228306 T DE 69228306T DE 69228306 T2 DE69228306 T2 DE 69228306T2
Authority
DE
Germany
Prior art keywords
pct
flow measurement
packets
transducers
sec
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69228306T
Other languages
English (en)
Other versions
DE69228306D1 (de
Inventor
Noel Bignell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commonwealth Scientific and Industrial Research Organization CSIRO
AGL Consultancy Pty Ltd
Original Assignee
Commonwealth Scientific and Industrial Research Organization CSIRO
AGL Consultancy Pty Ltd
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 Commonwealth Scientific and Industrial Research Organization CSIRO, AGL Consultancy Pty Ltd filed Critical Commonwealth Scientific and Industrial Research Organization CSIRO
Publication of DE69228306D1 publication Critical patent/DE69228306D1/de
Application granted granted Critical
Publication of DE69228306T2 publication Critical patent/DE69228306T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G01F1/66—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
    • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
    • G01P5/245—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by measuring transit time of acoustical waves
    • G01P5/247—Sing-around-systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50—Systems of measurement, based on relative movement of the target
    • G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S15/582—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of interrupted pulse-modulated waves and based upon the Doppler effect resulting from movement of targets
DE69228306T 1991-06-25 1992-06-25 Modenunterdrückung bei der durchflussmessung Expired - Fee Related DE69228306T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPK689491 1991-06-25
PCT/AU1992/000315 WO1993000570A1 (en) 1991-06-25 1992-06-25 Mode suppression in fluid flow measurement

Publications (2)

Publication Number Publication Date
DE69228306D1 DE69228306D1 (de) 1999-03-11
DE69228306T2 true DE69228306T2 (de) 1999-09-30

Family

ID=3775503

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69228306T Expired - Fee Related DE69228306T2 (de) 1991-06-25 1992-06-25 Modenunterdrückung bei der durchflussmessung

Country Status (15)

Country Link
US (1) US5493916A (de)
EP (1) EP0591368B1 (de)
CN (1) CN1032776C (de)
AT (1) ATE176317T1 (de)
AU (1) AU668872B2 (de)
DE (1) DE69228306T2 (de)
DK (1) DK0591368T3 (de)
ES (1) ES2126593T3 (de)
GR (1) GR3029559T3 (de)
IE (1) IE922039A1 (de)
NZ (1) NZ243294A (de)
PL (1) PL169742B1 (de)
SG (1) SG45212A1 (de)
TW (1) TW226042B (de)
WO (1) WO1993000570A1 (de)

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GB9301873D0 (en) * 1993-01-30 1993-03-17 Cambridge Consultants Method and apparatus for fluid flow metering
AU674937B2 (en) * 1993-03-09 1997-01-16 AGL Consultancy Pty. Limited Mode suppression in fluid meter conduits
US5698786A (en) * 1995-11-28 1997-12-16 Sawtek, Inc. Differential phase velocity determining delay measurement apparatus and associated method
AUPN606095A0 (en) 1995-10-19 1995-11-09 AGL Consultancy Pty. Limited Digital speed determination in ultrasonic flow measurements
US5700952A (en) * 1995-11-28 1997-12-23 Sawtek Inc. Time domain delay measurement apparatus and associated method
US5804729A (en) * 1995-11-28 1998-09-08 Sawtek Inc. Apparatus and associated method for measuring differences in delay measurements
US5831167A (en) * 1995-11-28 1998-11-03 Sawtek Inc. Time domain delay device measurement apparatus including sensor package
DE19722274A1 (de) * 1997-05-28 1998-12-03 Degussa Verfahren zur Messung von Dichte und Massenstrom
AUPQ061399A0 (en) * 1999-05-27 1999-06-17 University Of Sydney, The Acoustic flow meters
SE517922C2 (sv) * 2000-11-15 2002-08-06 Aake Stroemberg Förfarande och anordning för bestämning av hastigheten hos en fluid
DE10232101C1 (de) * 2002-06-13 2003-09-25 Krohne Ag Basel Ultraschalldurchflußmeßverfahren
EP1376069A1 (de) * 2002-06-13 2004-01-02 Krohne AG Ultraschalldurchflussmessverfahren
US7152490B1 (en) 2005-08-15 2006-12-26 Daniel Measurement And Control, Inc. Methods for determining transducer delay time and transducer separation in ultrasonic flow meters
MX2010014443A (es) * 2008-06-25 2011-04-04 Pure Technologies Ltd Aparato y metodo para localizar un objeto en una tuberia.
CN102297712B (zh) * 2011-07-12 2012-09-05 北京理工大学 一种超声回波传播时间测量方法
CN103399172A (zh) * 2013-08-07 2013-11-20 南京信息工程大学 一种超声波风速测量方法
CN104634424B (zh) * 2015-03-04 2018-05-25 姜跃炜 用于超声波流量表的状态检测方法
PL3317658T3 (pl) 2015-07-03 2021-05-04 Kamstrup A/S Czujnik mętności oparty na pomiarach ultradźwiękowych
GB2549717B (en) * 2016-04-25 2018-09-05 Sentronics Ltd Flow meter
CN108120481B (zh) * 2017-11-10 2023-10-31 天津新科成套仪表有限公司 一种超声流量计量方法与计量处理装置
EP3990871A1 (de) * 2019-06-25 2022-05-04 Kamstrup A/S Ultraschall-durchflussmesser und verfahren zur bestimmung einer flussrate

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Also Published As

Publication number Publication date
US5493916A (en) 1996-02-27
CN1072016A (zh) 1993-05-12
ES2126593T3 (es) 1999-04-01
PL169742B1 (pl) 1996-08-30
AU2172892A (en) 1993-01-25
ATE176317T1 (de) 1999-02-15
WO1993000570A1 (en) 1993-01-07
CN1032776C (zh) 1996-09-11
IE922039A1 (en) 1992-12-30
GR3029559T3 (en) 1999-06-30
EP0591368A1 (de) 1994-04-13
DE69228306D1 (de) 1999-03-11
EP0591368A4 (de) 1994-08-31
DK0591368T3 (da) 1999-09-13
SG45212A1 (en) 1998-01-16
AU668872B2 (en) 1996-05-23
NZ243294A (en) 1995-04-27
EP0591368B1 (de) 1999-01-27
TW226042B (de) 1994-07-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee