FI921679A0 - Foerfarande och anordning vid akustisk stroemmaetning foer att foersaekra sig om den funktions- foermaoga. - Google Patents
Foerfarande och anordning vid akustisk stroemmaetning foer att foersaekra sig om den funktions- foermaoga.Info
- Publication number
- FI921679A0 FI921679A0 FI921679A FI921679A FI921679A0 FI 921679 A0 FI921679 A0 FI 921679A0 FI 921679 A FI921679 A FI 921679A FI 921679 A FI921679 A FI 921679A FI 921679 A0 FI921679 A0 FI 921679A0
- Authority
- FI
- Finland
- Prior art keywords
- stroemmaetning
- foersaekra
- foermaoga
- akustisk
- funktions
- Prior art date
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
- 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
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P21/00—Testing or calibrating of apparatus or devices covered by the preceding groups
- G01P21/02—Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers
- G01P21/025—Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers for measuring speed of fluids; for measuring speed of bodies relative to fluids
-
- 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
- G01P5/18—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 time taken to traverse a fixed distance
-
- 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
- G01F1/704—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)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electromagnetism (AREA)
- Measuring Volume Flow (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI921679A FI88209C (fi) | 1992-04-14 | 1992-04-14 | Foerfarande och anordning vid akustisk stroemmaetning foer att foersaekra sig om den funktionsfoermaoga |
JP5518009A JPH06509422A (ja) | 1992-04-14 | 1993-03-25 | 音波を用いる流量測定における前記測定の実施可能性保証方法及び装置 |
EP93906656A EP0594802A1 (en) | 1992-04-14 | 1993-03-25 | Method and device in acoustic flow measurement for ensuring the operability of said measurement |
PCT/FI1993/000121 WO1993021500A1 (en) | 1992-04-14 | 1993-03-25 | Method and device in acoustic flow measurement for ensuring the operability of said measurement |
CA002109948A CA2109948A1 (en) | 1992-04-14 | 1993-03-25 | Method and device in acoustic flow measurement for ensuring the operability of said measurement |
US08/162,001 US5421212A (en) | 1992-04-14 | 1993-03-25 | Method and device in acoustic flow measurement for ensuring the operability of said measurement |
NO934571A NO934571L (no) | 1992-04-14 | 1993-12-13 | Fremgangsmaate og anordning ved akustisk stroemningsmaaling for aa si kre at maalingen virker |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI921679 | 1992-04-14 | ||
FI921679A FI88209C (fi) | 1992-04-14 | 1992-04-14 | Foerfarande och anordning vid akustisk stroemmaetning foer att foersaekra sig om den funktionsfoermaoga |
Publications (3)
Publication Number | Publication Date |
---|---|
FI921679A0 true FI921679A0 (fi) | 1992-04-14 |
FI88209B FI88209B (fi) | 1992-12-31 |
FI88209C FI88209C (fi) | 1993-04-13 |
Family
ID=8535121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI921679A FI88209C (fi) | 1992-04-14 | 1992-04-14 | Foerfarande och anordning vid akustisk stroemmaetning foer att foersaekra sig om den funktionsfoermaoga |
Country Status (7)
Country | Link |
---|---|
US (1) | US5421212A (fi) |
EP (1) | EP0594802A1 (fi) |
JP (1) | JPH06509422A (fi) |
CA (1) | CA2109948A1 (fi) |
FI (1) | FI88209C (fi) |
NO (1) | NO934571L (fi) |
WO (1) | WO1993021500A1 (fi) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI94909C (fi) * | 1994-04-19 | 1995-11-10 | Valtion Teknillinen | Akustinen virtausmittausmenetelmä ja sitä soveltava laite |
US5622053A (en) * | 1994-09-30 | 1997-04-22 | Cooper Cameron Corporation | Turbocharged natural gas engine control system |
JPH08122117A (ja) * | 1994-10-19 | 1996-05-17 | Matsushita Electric Ind Co Ltd | 流量計測装置 |
US5753824A (en) * | 1996-06-12 | 1998-05-19 | Welch Allyn, Inc. | Sampling method and apparatus for use with ultrasonic flowmeters |
DE19722274A1 (de) * | 1997-05-28 | 1998-12-03 | Degussa | Verfahren zur Messung von Dichte und Massenstrom |
GB9809375D0 (en) * | 1998-05-02 | 1998-07-01 | British Gas Plc | Fluid temperature measurement |
GB9813509D0 (en) * | 1998-06-24 | 1998-08-19 | British Gas Plc | Measuring the speed of sound of a gas |
AUPQ061399A0 (en) * | 1999-05-27 | 1999-06-17 | University Of Sydney, The | Acoustic flow meters |
US6601458B1 (en) * | 2000-03-07 | 2003-08-05 | Weatherford/Lamb, Inc. | Distributed sound speed measurements for multiphase flow measurement |
US6813962B2 (en) * | 2000-03-07 | 2004-11-09 | Weatherford/Lamb, Inc. | Distributed sound speed measurements for multiphase flow measurement |
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 |
EP1631797A2 (en) * | 2003-06-05 | 2006-03-08 | CiDra Corporation | Apparatus for measuring velocity and flow rate of a fluid having a non-negligible axial mach number using an array of sensors |
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 |
DE102004025243A1 (de) * | 2004-05-22 | 2005-12-08 | Robert Bosch Gmbh | Bestimmung des Empfangszeitpunkts eines Ultraschallsignals mittels Pulsformerfassung |
WO2006134199A1 (en) * | 2005-06-16 | 2006-12-21 | Justiflow Oy | Ultrasound flowmeter arrangement for determining speed of sound |
JP4952164B2 (ja) * | 2006-09-20 | 2012-06-13 | 株式会社デンソー | 流量計測素子、質量流量計 |
CN101210843B (zh) * | 2006-12-31 | 2011-02-09 | 中国科学院理化技术研究所 | 一种热声热机声场监测方法及监测系统 |
US9574919B2 (en) * | 2013-06-20 | 2017-02-21 | University Of Southern California | Reducing false alarms with multi-modal sensing for pipeline blockage |
FR3030726A1 (fr) | 2014-12-19 | 2016-06-24 | Gdf Suez | Capteur de debit non intrusif autonome en energie et procede de conversion d'energie thermique en energie electrique sur un reseau de transport de fluides mettant en œuvre un tel capteur |
US11029284B2 (en) | 2018-02-08 | 2021-06-08 | South Dakota Board Of Regents | Acoustic resonance chamber |
CN108279319B (zh) * | 2018-04-03 | 2024-04-16 | 浙江省水利河口研究院(浙江省海洋规划设计研究院) | Adcp流速遥测监控系统和设备及相应的方法、装置和介质 |
CN110333176A (zh) * | 2019-08-02 | 2019-10-15 | 柳州汉西鸣建材发展有限公司 | 一种流量可控的测量声学流阻的装置及其测量方法 |
CN110806499B (zh) * | 2019-12-06 | 2020-09-18 | 江苏南水科技有限公司 | 流速仪检定装置及其工作方法 |
RU206371U1 (ru) * | 2021-04-26 | 2021-09-08 | Акционерное общество "ЛОМО" | Акустический анемометр |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1201077B (de) * | 1963-05-24 | 1965-09-16 | Standard Elektrik Lorenz Ag | Verfahren zur UEberwachung der Stroemung von gasfoermigen oder fluessigen Medien |
US3537309A (en) * | 1968-11-26 | 1970-11-03 | Westinghouse Electric Corp | Fluid velocity measuring system |
GB1393103A (en) * | 1972-01-27 | 1975-05-07 | Kent Instruments Ltd | Flow velocity measurement |
US4015470A (en) * | 1973-12-26 | 1977-04-05 | Trw Inc. | Flow measuring method and apparatus |
US3974693A (en) * | 1975-05-05 | 1976-08-17 | Westinghouse Electric Corporation | Multiple time difference ultrasonic flowmeter |
US4022058A (en) * | 1975-08-07 | 1977-05-10 | Brown Alvin E | Apparatus for determining the arrival time of alternating signals |
US4445389A (en) * | 1981-09-10 | 1984-05-01 | The United States Of America As Represented By The Secretary Of Commerce | Long wavelength acoustic flowmeter |
US4596133A (en) * | 1983-07-29 | 1986-06-24 | Panametrics, Inc. | Apparatus and methods for measuring fluid flow parameters |
FI76885C (fi) * | 1987-01-16 | 1988-12-12 | Valtion Teknillinen | Akustiskt stroemningsmaetningsfoerfarande och anordning foer tillaempning av detta. |
US5228347A (en) * | 1991-10-18 | 1993-07-20 | Ore International, Inc. | Method and apparatus for measuring flow by using phase advance |
FI87493C (fi) * | 1991-12-23 | 1993-01-11 | Kytoelae Instrumenttitehdas | Foerfarande och anordning foer maetning av stroemningshastigheten av gaser och/eller storheter som kan haerledas fraon denna |
-
1992
- 1992-04-14 FI FI921679A patent/FI88209C/fi not_active IP Right Cessation
-
1993
- 1993-03-25 WO PCT/FI1993/000121 patent/WO1993021500A1/en not_active Application Discontinuation
- 1993-03-25 JP JP5518009A patent/JPH06509422A/ja active Pending
- 1993-03-25 EP EP93906656A patent/EP0594802A1/en not_active Withdrawn
- 1993-03-25 US US08/162,001 patent/US5421212A/en not_active Expired - Fee Related
- 1993-03-25 CA CA002109948A patent/CA2109948A1/en not_active Abandoned
- 1993-12-13 NO NO934571A patent/NO934571L/no unknown
Also Published As
Publication number | Publication date |
---|---|
NO934571D0 (no) | 1993-12-13 |
NO934571L (no) | 1993-12-13 |
US5421212A (en) | 1995-06-06 |
EP0594802A1 (en) | 1994-05-04 |
WO1993021500A1 (en) | 1993-10-28 |
JPH06509422A (ja) | 1994-10-20 |
CA2109948A1 (en) | 1993-10-28 |
FI88209C (fi) | 1993-04-13 |
FI88209B (fi) | 1992-12-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |