ATE176317T1 - Modenunterdrückung bei der durchflussmessung - Google Patents

Modenunterdrückung bei der durchflussmessung

Info

Publication number
ATE176317T1
ATE176317T1 AT92913872T AT92913872T ATE176317T1 AT E176317 T1 ATE176317 T1 AT E176317T1 AT 92913872 T AT92913872 T AT 92913872T AT 92913872 T AT92913872 T AT 92913872T AT E176317 T1 ATE176317 T1 AT E176317T1
Authority
AT
Austria
Prior art keywords
pct
flow measurement
packets
transducers
sec
Prior art date
Application number
AT92913872T
Other languages
English (en)
Inventor
Noel Bignell
Original Assignee
Commw Scient Ind Res Org
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 Commw Scient Ind Res Org, Agl Consultancy Pty Ltd filed Critical Commw Scient Ind Res Org
Application granted granted Critical
Publication of ATE176317T1 publication Critical patent/ATE176317T1/de

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)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Measuring Volume Flow (AREA)
  • Paper (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Safety Valves (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
AT92913872T 1991-06-25 1992-06-25 Modenunterdrückung bei der durchflussmessung ATE176317T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE176317T1 true ATE176317T1 (de) 1999-02-15

Family

ID=3775503

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92913872T ATE176317T1 (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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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
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
BRPI0915515A2 (pt) * 2008-06-25 2016-01-26 Pure Technologies Ltd aparelho e método para localizar um objeto em um duto
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
CN107923880B (zh) * 2015-07-03 2020-09-08 卡姆鲁普股份有限公司 基于超声测量的浊度传感器
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
WO2020259781A1 (en) * 2019-06-25 2020-12-30 Kamstrup A/S Ultrasonic flow meter and a method of determining a flow rate

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Also Published As

Publication number Publication date
WO1993000570A1 (en) 1993-01-07
NZ243294A (en) 1995-04-27
CN1032776C (zh) 1996-09-11
ES2126593T3 (es) 1999-04-01
AU2172892A (en) 1993-01-25
EP0591368B1 (de) 1999-01-27
PL169742B1 (pl) 1996-08-30
US5493916A (en) 1996-02-27
DK0591368T3 (da) 1999-09-13
SG45212A1 (en) 1998-01-16
GR3029559T3 (en) 1999-06-30
IE922039A1 (en) 1992-12-30
EP0591368A1 (de) 1994-04-13
DE69228306T2 (de) 1999-09-30
DE69228306D1 (de) 1999-03-11
TW226042B (de) 1994-07-01
AU668872B2 (en) 1996-05-23
CN1072016A (zh) 1993-05-12
EP0591368A4 (de) 1994-08-31

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee