BR9610903A - Determinação de velocidade digital em medições de fluxo ultra-sônicas - Google Patents

Determinação de velocidade digital em medições de fluxo ultra-sônicas

Info

Publication number
BR9610903A
BR9610903A BR9610903A BR9610903A BR9610903A BR 9610903 A BR9610903 A BR 9610903A BR 9610903 A BR9610903 A BR 9610903A BR 9610903 A BR9610903 A BR 9610903A BR 9610903 A BR9610903 A BR 9610903A
Authority
BR
Brazil
Prior art keywords
speed determination
ultrasonic flow
flow measurements
digital speed
digital
Prior art date
Application number
BR9610903A
Other languages
English (en)
Inventor
Colin Walter Braathen
Noel Bignell
Charles Malcolm Welsh
Laurence Michael Besley
Original Assignee
Commw Scient Ind Res Org
Agl Consultancy Pty Ltda
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 Ltda filed Critical Commw Scient Ind Res Org
Publication of BR9610903A publication Critical patent/BR9610903A/pt

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
    • 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
    • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • G01S7/527—Extracting wanted echo signals

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Measuring Volume Flow (AREA)
BR9610903A 1995-10-19 1996-10-17 Determinação de velocidade digital em medições de fluxo ultra-sônicas BR9610903A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPN6060A AUPN606095A0 (en) 1995-10-19 1995-10-19 Digital speed determination in ultrasonic flow measurements
PCT/AU1996/000653 WO1997014936A1 (en) 1995-10-19 1996-10-17 Digital speed determination in ultrasonic flow measurements

Publications (1)

Publication Number Publication Date
BR9610903A true BR9610903A (pt) 1999-07-13

Family

ID=3790387

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9610903A BR9610903A (pt) 1995-10-19 1996-10-17 Determinação de velocidade digital em medições de fluxo ultra-sônicas

Country Status (11)

Country Link
US (1) US6305233B1 (pt)
EP (1) EP0856145A4 (pt)
JP (1) JPH11514443A (pt)
KR (1) KR19990064335A (pt)
AU (1) AUPN606095A0 (pt)
BR (1) BR9610903A (pt)
CA (1) CA2233974A1 (pt)
CZ (1) CZ87598A3 (pt)
NO (1) NO981736L (pt)
PL (1) PL326067A1 (pt)
WO (1) WO1997014936A1 (pt)

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JP7002667B2 (ja) * 2019-03-15 2022-01-20 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 較正回路と、関連する信号処理回路ならびにチップ
JP7126566B2 (ja) * 2019-03-20 2022-08-26 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 飛行時間生成回路、関連するチップ、流量計および方法
KR102189880B1 (ko) * 2019-12-13 2020-12-15 주식회사 만나테크놀로지 초음파 유량계
KR102442396B1 (ko) * 2020-09-25 2022-09-13 한국전자기술연구원 초음파 유량 정확도 향상을 위한 신호 보정 방법 및 시스템
CN113447671B (zh) * 2021-07-15 2022-09-23 中煤科工集团重庆研究院有限公司 基于高低频超声波的巷道断面风速检测方法

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Also Published As

Publication number Publication date
EP0856145A1 (en) 1998-08-05
EP0856145A4 (en) 1999-06-16
AUPN606095A0 (en) 1995-11-09
US6305233B1 (en) 2001-10-23
WO1997014936A1 (en) 1997-04-24
PL326067A1 (en) 1998-08-17
NO981736L (no) 1998-06-17
CZ87598A3 (cs) 1998-11-11
NO981736D0 (no) 1998-04-17
JPH11514443A (ja) 1999-12-07
CA2233974A1 (en) 1997-04-24
KR19990064335A (ko) 1999-07-26

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