NZ243293A - Fluid flow meter: time of travel of acoustic wave packet through fluid - Google Patents

Fluid flow meter: time of travel of acoustic wave packet through fluid

Info

Publication number
NZ243293A
NZ243293A NZ243293A NZ24329392A NZ243293A NZ 243293 A NZ243293 A NZ 243293A NZ 243293 A NZ243293 A NZ 243293A NZ 24329392 A NZ24329392 A NZ 24329392A NZ 243293 A NZ243293 A NZ 243293A
Authority
NZ
New Zealand
Prior art keywords
meter
fluid
transducers
wave packet
predetermined
Prior art date
Application number
NZ243293A
Other languages
English (en)
Inventor
Noel Bignell
Colin Walter Braathen
Anthony Francis Collings
Kenneth James Hews-Taylor
Barry John Martin
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
Publication of NZ243293A publication Critical patent/NZ243293A/en

Links

Classifications

    • 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
    • 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
    • G01F1/662—Constructional details
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Measuring Volume Flow (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Details Of Flowmeters (AREA)
  • Thermistors And Varistors (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Photoreceptors In Electrophotography (AREA)
NZ243293A 1991-06-25 1992-06-24 Fluid flow meter: time of travel of acoustic wave packet through fluid NZ243293A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPK689391 1991-06-25

Publications (1)

Publication Number Publication Date
NZ243293A true NZ243293A (en) 1995-03-28

Family

ID=3775502

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ243293A NZ243293A (en) 1991-06-25 1992-06-24 Fluid flow meter: time of travel of acoustic wave packet through fluid

Country Status (20)

Country Link
US (1) US5553505A (en:Method)
EP (1) EP0591349B1 (en:Method)
JP (1) JPH07500662A (en:Method)
CN (1) CN1046026C (en:Method)
AT (1) ATE163756T1 (en:Method)
AU (1) AU666122B2 (en:Method)
CA (1) CA2112094A1 (en:Method)
DE (1) DE69224643T2 (en:Method)
DK (1) DK0591349T3 (en:Method)
ES (1) ES2112907T3 (en:Method)
FI (1) FI935822A7 (en:Method)
GR (1) GR3026606T3 (en:Method)
HU (1) HUT68387A (en:Method)
IE (1) IE80654B1 (en:Method)
IN (1) IN178275B (en:Method)
NZ (1) NZ243293A (en:Method)
PL (1) PL169741B1 (en:Method)
SG (1) SG45209A1 (en:Method)
TW (1) TW246714B (en:Method)
WO (1) WO1993000569A1 (en:Method)

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JP4394918B2 (ja) * 2003-10-03 2010-01-06 淳一 櫛引 高精度超音波材料特性解析装置及びその温度制御方法
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CN101901596B (zh) * 2010-08-18 2012-09-19 王伟东 带计数功能的触点式喇叭系统
EP2686643A4 (en) 2011-03-18 2014-09-10 Soneter Llc METHODS AND APPARATUS FOR MEASURING FLUID FLOW
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
RU2491518C1 (ru) * 2012-02-27 2013-08-27 Общество с ограниченной ответственностью Инженерный центр "Энергопрогресс" Измеритель уровня и границы раздела двух продуктов
US8833384B2 (en) 2012-08-06 2014-09-16 Schneider Electric Buildings, Llc Advanced valve actuation system with integral freeze protection
US9534795B2 (en) 2012-10-05 2017-01-03 Schneider Electric Buildings, Llc Advanced valve actuator with remote location flow reset
US10295080B2 (en) 2012-12-11 2019-05-21 Schneider Electric Buildings, Llc Fast attachment open end direct mount damper and valve actuator
WO2014143922A1 (en) 2013-03-15 2014-09-18 Schneider Electric Buildings, Llc Advanced valve actuator with true flow feedback
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TWI500908B (zh) * 2013-06-19 2015-09-21 Ind Tech Res Inst 超音波流量計及超音波流量測量方法
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DE102018006628A1 (de) * 2018-08-22 2020-02-27 Diehl Metering Gmbh Messeinrichtung
CN109638858B (zh) * 2018-11-30 2021-10-15 中国能源建设集团广东省电力设计研究院有限公司 调频调峰方法、装置及系统
CN110207771B (zh) * 2019-06-14 2020-08-04 浙江启尔机电技术有限公司 一种单通路连续多超声信号同步计时电路及其计时方法
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CN114659573A (zh) * 2022-03-21 2022-06-24 浙江威星智能仪表股份有限公司 换能器的双端声波激发系统、方法、电子设备及存储介质
JP2024101224A (ja) * 2023-01-17 2024-07-29 富士電機株式会社 ピークホールド回路及び超音波流量計

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Also Published As

Publication number Publication date
AU2172792A (en) 1993-01-25
US5553505A (en) 1996-09-10
FI935822A7 (fi) 1994-02-21
ATE163756T1 (de) 1998-03-15
EP0591349B1 (en) 1998-03-04
EP0591349A1 (en) 1994-04-13
CA2112094A1 (en) 1993-01-07
DE69224643D1 (de) 1998-04-09
HU9303695D0 (en) 1994-04-28
SG45209A1 (en) 1998-01-16
IE922038A1 (en) 1992-12-30
WO1993000569A1 (en) 1993-01-07
PL169741B1 (pl) 1996-08-30
CN1070473A (zh) 1993-03-31
GR3026606T3 (en) 1998-07-31
EP0591349A4 (en:Method) 1994-08-31
DE69224643T2 (de) 1998-10-15
DK0591349T3 (da) 1998-09-28
AU666122B2 (en) 1996-02-01
FI935822A0 (fi) 1993-12-23
JPH07500662A (ja) 1995-01-19
HUT68387A (en) 1995-06-28
IE80654B1 (en) 1998-11-04
CN1046026C (zh) 1999-10-27
IN178275B (en:Method) 1997-03-22
TW246714B (en:Method) 1995-05-01
ES2112907T3 (es) 1998-04-16

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