NO934571D0 - Fremgangsmaate og anordning ved akustisk stroemningsmaaling for aa sikre at maalingen virker - Google Patents
Fremgangsmaate og anordning ved akustisk stroemningsmaaling for aa sikre at maalingen virkerInfo
- Publication number
- NO934571D0 NO934571D0 NO934571A NO934571A NO934571D0 NO 934571 D0 NO934571 D0 NO 934571D0 NO 934571 A NO934571 A NO 934571A NO 934571 A NO934571 A NO 934571A NO 934571 D0 NO934571 D0 NO 934571D0
- Authority
- NO
- Norway
- Prior art keywords
- measurement
- procedure
- ensure
- works
- acoustic flow
- 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)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Measuring Volume Flow (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
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 |
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 |
Publications (2)
Publication Number | Publication Date |
---|---|
NO934571L NO934571L (no) | 1993-12-13 |
NO934571D0 true NO934571D0 (no) | 1993-12-13 |
Family
ID=8535121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO934571A NO934571D0 (no) | 1992-04-14 | 1993-12-13 | Fremgangsmaate og anordning ved akustisk stroemningsmaaling for aa sikre at maalingen virker |
Country Status (7)
Country | Link |
---|---|
US (1) | US5421212A (no) |
EP (1) | EP0594802A1 (no) |
JP (1) | JPH06509422A (no) |
CA (1) | CA2109948A1 (no) |
FI (1) | FI88209C (no) |
NO (1) | NO934571D0 (no) |
WO (1) | WO1993021500A1 (no) |
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 |
WO2004109239A2 (en) * | 2003-06-05 | 2004-12-16 | 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 CA CA002109948A patent/CA2109948A1/en not_active Abandoned
- 1993-03-25 JP JP5518009A patent/JPH06509422A/ja active Pending
- 1993-03-25 US US08/162,001 patent/US5421212A/en not_active Expired - Fee Related
- 1993-03-25 WO PCT/FI1993/000121 patent/WO1993021500A1/en not_active Application Discontinuation
- 1993-03-25 EP EP93906656A patent/EP0594802A1/en not_active Withdrawn
- 1993-12-13 NO NO934571A patent/NO934571D0/no unknown
Also Published As
Publication number | Publication date |
---|---|
FI88209B (fi) | 1992-12-31 |
EP0594802A1 (en) | 1994-05-04 |
FI921679A0 (fi) | 1992-04-14 |
WO1993021500A1 (en) | 1993-10-28 |
CA2109948A1 (en) | 1993-10-28 |
US5421212A (en) | 1995-06-06 |
JPH06509422A (ja) | 1994-10-20 |
FI88209C (fi) | 1993-04-13 |
NO934571L (no) | 1993-12-13 |
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