NO307112B1 - Fremgangsmåte og anordning for å måle stroemningshastigheten til gasser og/eller stoerrelser som kan bli utledet fra samme - Google Patents

Fremgangsmåte og anordning for å måle stroemningshastigheten til gasser og/eller stoerrelser som kan bli utledet fra samme

Info

Publication number
NO307112B1
NO307112B1 NO932977A NO932977A NO307112B1 NO 307112 B1 NO307112 B1 NO 307112B1 NO 932977 A NO932977 A NO 932977A NO 932977 A NO932977 A NO 932977A NO 307112 B1 NO307112 B1 NO 307112B1
Authority
NO
Norway
Prior art keywords
measurement
sound
filters
pct
frequency
Prior art date
Application number
NO932977A
Other languages
English (en)
Other versions
NO932977D0 (no
NO932977L (no
Inventor
Tarmo Moyronen
Sauli Koukkari
Pekka Hiismoki
Matti Knuuttila
Leif Koll
Antero Tiitta
Original Assignee
Instrumenttitehdas Kytoelo Oy
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 Instrumenttitehdas Kytoelo Oy filed Critical Instrumenttitehdas Kytoelo Oy
Publication of NO932977D0 publication Critical patent/NO932977D0/no
Publication of NO932977L publication Critical patent/NO932977L/no
Publication of NO307112B1 publication Critical patent/NO307112B1/no

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
    • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
    • 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
    • G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
    • G01F1/708—Measuring the time taken to traverse a fixed distance
    • G01F1/712—Measuring the time taken to traverse a fixed distance using auto-correlation or cross-correlation detection means
    • 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
    • G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
    • G01F1/708—Measuring the time taken to traverse a fixed distance
    • G01F1/7082—Measuring the time taken to traverse a fixed distance using acoustic detecting arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Measuring Volume Flow (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Industrial Gases (AREA)
NO932977A 1991-12-23 1993-08-20 Fremgangsmåte og anordning for å måle stroemningshastigheten til gasser og/eller stoerrelser som kan bli utledet fra samme NO307112B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI916102A FI87493C (fi) 1991-12-23 1991-12-23 Foerfarande och anordning foer maetning av stroemningshastigheten av gaser och/eller storheter som kan haerledas fraon denna
PCT/FI1992/000307 WO1993013390A1 (en) 1991-12-23 1992-11-12 Method and device for measurement of the flow velocities of gases and/or of quantities that can be derived from same

Publications (3)

Publication Number Publication Date
NO932977D0 NO932977D0 (no) 1993-08-20
NO932977L NO932977L (no) 1993-08-20
NO307112B1 true NO307112B1 (no) 2000-02-07

Family

ID=8533731

Family Applications (1)

Application Number Title Priority Date Filing Date
NO932977A NO307112B1 (no) 1991-12-23 1993-08-20 Fremgangsmåte og anordning for å måle stroemningshastigheten til gasser og/eller stoerrelser som kan bli utledet fra samme

Country Status (13)

Country Link
US (1) US5513535A (no)
EP (1) EP0572583B1 (no)
JP (1) JPH06507724A (no)
CN (1) CN1076024A (no)
AT (1) ATE128763T1 (no)
CA (1) CA2101652C (no)
DE (1) DE69205274T2 (no)
DK (1) DK0572583T3 (no)
ES (1) ES2080525T3 (no)
FI (1) FI87493C (no)
GR (1) GR3018591T3 (no)
NO (1) NO307112B1 (no)
WO (1) WO1993013390A1 (no)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI88208C (fi) * 1992-04-01 1993-04-13 Valtion Teknillinen Foerfarande och anordning foer akustisk maetning av en gasstroem
FI88209C (fi) * 1992-04-14 1993-04-13 Kytoelae Instrumenttitehdas Foerfarande och anordning vid akustisk stroemmaetning foer att foersaekra sig om den funktionsfoermaoga
FI94909C (fi) * 1994-04-19 1995-11-10 Valtion Teknillinen Akustinen virtausmittausmenetelmä ja sitä soveltava laite
US5531099A (en) * 1994-11-09 1996-07-02 At&T Corp. Underground conduit defect localization
FI105363B (fi) * 1997-07-04 2000-07-31 Neles Field Controls Oy Menetelmä virtauksen mittaamiseksi ja virtausmittari
JP4556253B2 (ja) * 1999-06-24 2010-10-06 パナソニック株式会社 流量計
AU5569300A (en) * 1999-06-24 2001-01-31 Matsushita Electric Industrial Co., Ltd. Flowmeter
WO2001023845A1 (en) 1999-09-27 2001-04-05 Ohio University Determining gas and liquid flow rates in a multi-phase flow
SE0003348D0 (sv) * 2000-09-18 2000-09-18 Flaekt Ab Anordning och förfarande för att mäta flödet i en fluid
DE10062875B4 (de) * 2000-12-16 2007-02-08 Hydrometer Gmbh Durchflussmesser
JP4135056B2 (ja) * 2001-02-15 2008-08-20 横河電機株式会社 超音波流量計
JP4271979B2 (ja) * 2003-04-21 2009-06-03 帝人株式会社 超音波式ガス濃度流量測定方法および装置
JP2005189003A (ja) * 2003-12-24 2005-07-14 Ueda Japan Radio Co Ltd 流量測定および気泡検出の可能な統合システム
WO2006134199A1 (en) * 2005-06-16 2006-12-21 Justiflow Oy Ultrasound flowmeter arrangement for determining speed of sound
CN101900585B (zh) * 2009-05-25 2012-07-04 哈尔滨理工大学 电磁流量计采用窄带滤波信号调理的方法及设备
US10288641B2 (en) * 2010-01-29 2019-05-14 Worcester Polytechnic Institute System and method of measuring 2- and 3-dimensional velocity vector using cross-correlation velocimetry
CN102830245A (zh) * 2012-08-15 2012-12-19 华北电力大学 一种基于声学的锅炉炉膛烟气流速监测系统及监测方法
EP3056885B1 (en) * 2015-02-11 2019-08-14 General Electric Technology GmbH Measurement system and method for measuring temperature and velocity of a flow of fluid
CN111028487B (zh) * 2019-12-27 2021-07-13 杭州青泓科技有限公司 一种水处理监测方法及系统

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2826912A (en) * 1948-12-27 1958-03-18 Kritz Jack Acoustic velocity measuring system
US3568661A (en) * 1968-10-02 1971-03-09 Us Health Education & Welfare Frequency modulated ultrasound technique for measurement of fluid velocity
USRE28686E (en) * 1970-07-06 1976-01-20 Measurement of fluid flow rates
US4019038A (en) * 1971-06-10 1977-04-19 Kent Instruments Limited Correlators
GB1393103A (en) * 1972-01-27 1975-05-07 Kent Instruments Ltd Flow velocity measurement
US3819919A (en) * 1972-12-08 1974-06-25 Gunigle R Mc Tracking system for time-displaced signals
WO1979001119A1 (en) * 1978-05-25 1979-12-27 Sybron Corp Peak tracking correlator
US4312238A (en) * 1979-12-13 1982-01-26 Rey Thomas J Electro-acoustic flowmeter
FI76885C (fi) * 1987-01-16 1988-12-12 Valtion Teknillinen Akustiskt stroemningsmaetningsfoerfarande och anordning foer tillaempning av detta.
US4787252A (en) * 1987-09-30 1988-11-29 Panametrics, Inc. Differential correlation analyzer
GB2227841B (en) * 1988-12-03 1993-05-12 Schlumberger Ltd Impedance cross correlation logging tool
US5226328A (en) * 1989-11-17 1993-07-13 Ads Environmental Services, Inc. Velocity measurement system
CA2048960C (en) * 1990-08-20 1995-08-01 Hisashi Hagiwara Ultrasonic doppler blood flowmeter

Also Published As

Publication number Publication date
EP0572583B1 (en) 1995-10-04
GR3018591T3 (en) 1996-04-30
CA2101652A1 (en) 1993-06-24
DK0572583T3 (da) 1996-02-12
DE69205274T2 (de) 1996-05-02
DE69205274D1 (de) 1995-11-09
NO932977D0 (no) 1993-08-20
ATE128763T1 (de) 1995-10-15
WO1993013390A1 (en) 1993-07-08
CA2101652C (en) 2000-01-18
US5513535A (en) 1996-05-07
FI916102A0 (fi) 1991-12-23
FI87493C (fi) 1993-01-11
CN1076024A (zh) 1993-09-08
NO932977L (no) 1993-08-20
FI87493B (fi) 1992-09-30
EP0572583A1 (en) 1993-12-08
ES2080525T3 (es) 1996-02-01
JPH06507724A (ja) 1994-09-01

Similar Documents

Publication Publication Date Title
NO307112B1 (no) Fremgangsmåte og anordning for å måle stroemningshastigheten til gasser og/eller stoerrelser som kan bli utledet fra samme
US6460402B1 (en) Ultrasonic fluid quality sensor system
EP0572581B1 (en) Method and device for monitoring of a gas flow, in particular a natural-gas flow
EP1261846B8 (en) Simultaneous determination of multiphase flowrates and concentrations
ATE240505T1 (de) Verfahren und vorrichtung zur akustischen durchflussmessung
NO934571L (no) Fremgangsmaate og anordning ved akustisk stroemningsmaaling for aa si kre at maalingen virker
JP2002535639A (ja) クランプオンガス流量計
GB1579676A (en) Apparatus for detecting changes in parameters of liquid flowing in apipe based on singaround method
DK0591368T3 (da) Svingningsstrukturundertrykkelse ved flowmåling
EP0172461A2 (en) Apparatus and method for measuring the concentration of a paramagnetic gas
JPS5498291A (en) Simple type sonic flaw detector
RU93054781A (ru) Способ и устройство акустического измерения потока для измерения скоростей потока газов
GB1496887A (en) Chimney
JPH07146218A (ja) 都市ガスの配管系の属性検出方法及び検出装置
SU1374069A1 (ru) Способ определени акустических характеристик элементов системы выпуска двигател внутреннего сгорани
GB2001764A (en) Detecting fires in ducts
SU887960A1 (ru) Устройство дл обнаружени газа в системах с двухфазной смесью
Wilken et al. Determination of the Transfer Function of a Time-Varying Transfer Channel by a Correlation Method. Illustrated on Sound Propagation Through a Turbulent Medium
JPH08278177A (ja) 超音波流速測定装置
RU93058502A (ru) Способ акустического измерения параметров потока и устройство для его осуществления
JPS55160812A (en) Monitoring method for flow rate of gas
JPH04250386A (ja) 超音波検知装置
JPS5847645B2 (ja) 機関の吸気装置
JPS6091214A (ja) 重力下降流の固体流量計測法

Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees

Free format text: LAPSED IN MAY 2002