SG45212A1 - Mode suppression in fluid flow measurement - Google Patents

Mode suppression in fluid flow measurement

Info

Publication number
SG45212A1
SG45212A1 SG1996001330A SG1996001330A SG45212A1 SG 45212 A1 SG45212 A1 SG 45212A1 SG 1996001330 A SG1996001330 A SG 1996001330A SG 1996001330 A SG1996001330 A SG 1996001330A SG 45212 A1 SG45212 A1 SG 45212A1
Authority
SG
Singapore
Prior art keywords
pct
flow measurement
packets
transducers
sec
Prior art date
Application number
SG1996001330A
Other languages
English (en)
Inventor
Noel Bignell
Original Assignee
Commw Scient Ind Res Org
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 Commw Scient Ind Res Org filed Critical Commw Scient Ind Res Org
Publication of SG45212A1 publication Critical patent/SG45212A1/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
    • G01F1/66—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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Multimedia (AREA)
  • Measuring Volume Flow (AREA)
  • Paper (AREA)
  • Safety Valves (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
SG1996001330A 1991-06-25 1992-06-25 Mode suppression in fluid flow measurement SG45212A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPK689491 1991-06-25

Publications (1)

Publication Number Publication Date
SG45212A1 true SG45212A1 (en) 1998-01-16

Family

ID=3775503

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996001330A SG45212A1 (en) 1991-06-25 1992-06-25 Mode suppression in fluid flow measurement

Country Status (15)

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

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9301873D0 (en) * 1993-01-30 1993-03-17 Cambridge Consultants Method and apparatus for fluid flow metering
BR9406377A (pt) * 1993-03-09 1996-01-16 Commw Scient Ind Res Org Supressão de modo em condutos de medição de fluidos
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
US5831167A (en) * 1995-11-28 1998-11-03 Sawtek Inc. Time domain delay device measurement apparatus including sensor package
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
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
CA2728818A1 (en) * 2008-06-25 2009-12-30 Pure Technologies Ltd. Apparatus and method to locate an object in a pipeline
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
WO2017005268A1 (en) 2015-07-03 2017-01-12 Kamstrup A/S Turbidity sensor based on ultrasound measurements
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 (en) * 2019-06-25 2022-05-04 Kamstrup A/S Ultrasonic flow meter and a method of determining a flow rate

Family Cites Families (77)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2831348A (en) * 1953-08-14 1958-04-22 Kritz Jack Apparatus for suppressing undesirable modes in ultrasonic flowmeters
DE1523260B2 (de) * 1963-02-27 1970-09-10 Tokyo keiki Seizosho Company Ltd., Tokio Vorrichtung zur Messung der Strömungsgeschwindigkeit von Flüssigkeiten mittels Ultraschall
US3329017A (en) * 1963-05-07 1967-07-04 Tokyo Keiki Seizosho Co Ltd Ultrasonic flow quantity measuring apparatus
US3512410A (en) * 1967-06-29 1970-05-19 Badger Meter Mfg Co Triggering circuit
DE1902849C3 (de) * 1968-01-25 1978-06-29 Pioneer Electronic Corp., Tokio Mechanisch-elektrisch bzw. elektrisch-mechanischer Wandler
JPS4926890B1 (zh) * 1970-12-04 1974-07-12
JPS4829420A (zh) * 1971-08-20 1973-04-19
US3816774A (en) * 1972-01-28 1974-06-11 Victor Company Of Japan Curved piezoelectric elements
US3767938A (en) * 1972-05-26 1973-10-23 Ibm Zero sense after peak detection circuit
US3869915A (en) * 1973-01-23 1975-03-11 Joseph Baumoel Digital flowmeter
JPS5433542B2 (zh) * 1973-06-23 1979-10-22
US3824464A (en) * 1973-07-16 1974-07-16 Honeywell Inc Pulse detection systems
US3918304A (en) * 1973-11-23 1975-11-11 Westinghouse Electric Corp Flowmeter computer
US4080574A (en) * 1974-01-31 1978-03-21 United Kingdom Atomic Energy Authority Apparatus for providing time reference signals
JPS5745760Y2 (zh) * 1974-02-18 1982-10-08
JPS5215972B2 (zh) * 1974-02-28 1977-05-06
GB1515287A (en) * 1974-05-30 1978-06-21 Plessey Co Ltd Piezoelectric transducers
US3898878A (en) * 1974-08-15 1975-08-12 Us Navy Ship speed indicator
DE2461264C3 (de) * 1974-12-23 1978-06-01 Siemens Ag, 1000 Berlin Und 8000 Muenchen Vorrichtung für die Messung des Volumenstroms strömender Medien
NL7502453A (nl) * 1975-03-03 1976-09-07 Philips Nv Inrichting voor het omzetten van elektrische in akoestische trillingen en omgekeerd, voorzien van een membraan, bevattende tenminste een laag piezo-elektrisch polymeer materiaal.
US3974693A (en) * 1975-05-05 1976-08-17 Westinghouse Electric Corporation Multiple time difference ultrasonic flowmeter
US4024760A (en) * 1975-07-25 1977-05-24 Westinghouse Electric Corporation Fluid flow measurement apparatus
US4022058A (en) * 1975-08-07 1977-05-10 Brown Alvin E Apparatus for determining the arrival time of alternating signals
GB1520118A (en) * 1975-08-11 1978-08-02 Rank Organisation Ltd Transducers
US4011755A (en) * 1975-10-23 1977-03-15 Panametrics, Inc. Acoustic flowmeter
US4003256A (en) * 1975-11-17 1977-01-18 Canadian Patents And Development Limited Acoustic oscillator fluid velocity measuring device
DE2607187C3 (de) * 1976-02-23 1986-07-10 Krautkrämer GmbH, 5000 Köln Verfahren zur Messung des zeitlichen Impulsabstandes von zwei elektrischen Impulsen
US4056742A (en) * 1976-04-30 1977-11-01 Tibbetts Industries, Inc. Transducer having piezoelectric film arranged with alternating curvatures
US4103551A (en) * 1977-01-31 1978-08-01 Panametrics, Inc. Ultrasonic measuring system for differing flow conditions
GB1595973A (en) * 1977-03-30 1981-08-19 Nat Res Dev Flow sensor
NL7703836A (nl) * 1977-04-07 1977-06-30 Philips Nv Een membraan bestaande uit tenminste een folie van een piezoelektrisch polymeermateriaal.
DE2726981C2 (de) * 1977-06-15 1984-11-22 Fried. Krupp Gmbh, 4300 Essen Vorrichtung zur Zeitmessung zwischen Impulsen
JPS5829854B2 (ja) * 1977-07-26 1983-06-25 富士電機株式会社 超音波式測定装置
DE2827868C2 (de) * 1978-06-24 1985-10-24 Robert Bosch Gmbh, 7000 Stuttgart Triggerverstärker
CA1135827A (en) * 1978-12-04 1982-11-16 Rainer Fehr Determination of flow velocities by measuring phase difference between the doppler signals
US4195517A (en) * 1978-12-18 1980-04-01 The Foxboro Company Ultrasonic flowmeter
US4232548A (en) * 1979-03-01 1980-11-11 Joseph Baumoel Liquid flow meter
ZA805412B (en) * 1979-09-14 1981-08-26 Plessey Overseas Zero-crossing comparators with threshold validation
US4300401A (en) * 1979-10-09 1981-11-17 Panametrics, Inc. Method and apparatus for determining fluid flow
US4308754A (en) * 1979-10-19 1982-01-05 Panametrics, Inc. Ultrasonic flowmeter
US4312238A (en) * 1979-12-13 1982-01-26 Rey Thomas J Electro-acoustic flowmeter
US4336719A (en) * 1980-07-11 1982-06-29 Panametrics, Inc. Ultrasonic flowmeters using waveguide antennas
JPS5777914A (en) * 1980-10-31 1982-05-15 Toshiba Corp Fluid measuring apparatus
US4384491A (en) * 1981-01-22 1983-05-24 Bestobell Sparling Ltd. Analog ultrasonic flowmeter
NL182662C (nl) * 1981-10-13 1990-04-17 Sawgrain Limited Kozijn met klemorganen.
JPS58167918A (ja) * 1982-03-29 1983-10-04 Toshiba Corp 超音波流速測定装置
FR2531298B1 (fr) * 1982-07-30 1986-06-27 Thomson Csf Transducteur du type demi-onde a element actif en polymere piezoelectrique
JPS5959000A (ja) * 1982-09-28 1984-04-04 Toshiba Corp 凹面型超音波探触子及びその製造方法
US4480485A (en) * 1982-10-01 1984-11-06 Panametrics, Inc. Acoustic flowmeter with envelope midpoint tracking
GB2139755B (en) * 1983-05-11 1987-03-04 British Gas Corp Ultrasonic flowmeter
DE3320935A1 (de) * 1983-06-09 1984-12-13 Siemens AG, 1000 Berlin und 8000 München Ultraschall-sensor
US4515021A (en) * 1983-07-29 1985-05-07 Panametrics, Inc. Intervalometer time measurement apparatus and method
US4754650A (en) * 1983-07-29 1988-07-05 Panametrics, Inc. Apparatus and methods for measuring fluid flow parameters
US4538469A (en) * 1983-07-29 1985-09-03 Panametrics, Inc. Integrated threshold arming method and apparatus
US4603589A (en) * 1983-12-27 1986-08-05 Kabushiki Kaisha Toshiba Ultrasonic flowmeter
EP0152132A1 (en) * 1984-01-27 1985-08-21 N.V. Nederlandsche Apparatenfabriek NEDAP An ultrasonic flow meter
US4583410A (en) * 1984-05-29 1986-04-22 Nusonics, Inc. Timing circuit for acoustic flow meters
US4725994A (en) * 1984-06-14 1988-02-16 Kabushiki Kaisha Toshiba Ultrasonic transducer with a multiple-folded piezoelectric polymer film
DE3437488A1 (de) * 1984-10-12 1986-04-17 Richard Wolf Gmbh, 7134 Knittlingen Schallsender
NL8403221A (nl) * 1984-10-23 1986-05-16 Nedap Nv Ultrasone doorstromingsmeter met groot meetbereik.
JPS61104276A (ja) * 1984-10-29 1986-05-22 Tokyo Keiki Co Ltd 超音波パルスの送受信装置
JPS61161446A (ja) * 1985-01-10 1986-07-22 Terumo Corp 超音波探触子およびその製造方法
US4628725A (en) * 1985-03-29 1986-12-16 Schlumberger Technology Corporation Apparatus and method for analyzing a fluid that includes a liquid phase, contained in a tubular conduit
SE456279B (sv) * 1986-09-16 1988-09-19 Bost & Co Ab Sett och anordning for att tidsbestemma en akustisk puls
DE3731132A1 (de) * 1986-09-16 1988-03-24 Samsung Electro Mech Filmmembran-lautsprecher
EP0262461B1 (de) * 1986-09-30 1993-12-15 Siemens Aktiengesellschaft Ultraschall-Strömungsgeschwindigkeitsmesser nach dem Phasendifferenz-Verfahren
ES2021314B3 (es) * 1986-09-30 1991-11-01 Siemens Ag Procedimiento de diferencia de fases de ultrasonidos, para la medicion de velocidades de caudal alta
US4930358A (en) * 1987-03-27 1990-06-05 Tokyo Keiki Co., Ltd. Method of and apparatus for measuring flow velocity by using ultrasonic waves
US4825116A (en) * 1987-05-07 1989-04-25 Yokogawa Electric Corporation Transmitter-receiver of ultrasonic distance measuring device
FR2617659B1 (fr) * 1987-06-30 1990-09-14 Inst Francais Du Petrole Transducteur piezo-electrique comportant plusieurs elements sensibles coaxiaux
US4787252A (en) * 1987-09-30 1988-11-29 Panametrics, Inc. Differential correlation analyzer
DE3808019A1 (de) * 1988-03-10 1989-09-21 Siemens Ag Ultraschall-sensor
GB8813640D0 (en) * 1988-06-09 1988-07-13 Gill M J Speed measurement device
GB2237639B (en) * 1989-10-31 1994-07-06 British Gas Plc Measurement system
EP0452531B1 (de) * 1990-04-20 1995-01-04 Siemens Aktiengesellschaft Elektrische Messeinrichtung für die Laufzeitmessung eines elektrischen Signals
US5179862A (en) * 1990-06-29 1993-01-19 Panametrics, Inc. Snap-on flow measurement system
US5343744A (en) * 1992-03-06 1994-09-06 Tsi Incorporated Ultrasonic anemometer

Also Published As

Publication number Publication date
DE69228306D1 (de) 1999-03-11
AU668872B2 (en) 1996-05-23
ATE176317T1 (de) 1999-02-15
EP0591368A1 (en) 1994-04-13
EP0591368B1 (en) 1999-01-27
CN1032776C (zh) 1996-09-11
DE69228306T2 (de) 1999-09-30
US5493916A (en) 1996-02-27
WO1993000570A1 (en) 1993-01-07
ES2126593T3 (es) 1999-04-01
IE922039A1 (en) 1992-12-30
CN1072016A (zh) 1993-05-12
DK0591368T3 (da) 1999-09-13
GR3029559T3 (en) 1999-06-30
EP0591368A4 (zh) 1994-08-31
TW226042B (zh) 1994-07-01
AU2172892A (en) 1993-01-25
NZ243294A (en) 1995-04-27
PL169742B1 (pl) 1996-08-30

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