FR2281571A1 - Perfectionnements aux appareils pour mesurer la vitesse ou le debit d'un courant de liquide par determination de l'anisotropie de propagation d'ondes ultrasonores dans le courant - Google Patents
Perfectionnements aux appareils pour mesurer la vitesse ou le debit d'un courant de liquide par determination de l'anisotropie de propagation d'ondes ultrasonores dans le courantInfo
- Publication number
- FR2281571A1 FR2281571A1 FR7427312A FR7427312A FR2281571A1 FR 2281571 A1 FR2281571 A1 FR 2281571A1 FR 7427312 A FR7427312 A FR 7427312A FR 7427312 A FR7427312 A FR 7427312A FR 2281571 A1 FR2281571 A1 FR 2281571A1
- Authority
- FR
- France
- Prior art keywords
- transducers
- flow rate
- measuring instrument
- liquid flow
- transit time
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 239000007788 liquid Substances 0.000 title abstract 4
- 230000005284 excitation Effects 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
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
- G01F1/668—Compensating or correcting for variations in velocity of sound
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Aviation & Aerospace Engineering (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Measuring Volume Flow (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7427312A FR2281571A1 (fr) | 1974-08-06 | 1974-08-06 | Perfectionnements aux appareils pour mesurer la vitesse ou le debit d'un courant de liquide par determination de l'anisotropie de propagation d'ondes ultrasonores dans le courant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7427312A FR2281571A1 (fr) | 1974-08-06 | 1974-08-06 | Perfectionnements aux appareils pour mesurer la vitesse ou le debit d'un courant de liquide par determination de l'anisotropie de propagation d'ondes ultrasonores dans le courant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2281571A1 true FR2281571A1 (fr) | 1976-03-05 |
| FR2281571B1 FR2281571B1 (fr) | 1976-12-31 |
Family
ID=9142170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7427312A Granted FR2281571A1 (fr) | 1974-08-06 | 1974-08-06 | Perfectionnements aux appareils pour mesurer la vitesse ou le debit d'un courant de liquide par determination de l'anisotropie de propagation d'ondes ultrasonores dans le courant |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2281571A1 (fr) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2454101A1 (fr) * | 1979-04-11 | 1980-11-07 | Onera (Off Nat Aerospatiale) | Appareil de mesure de la vitesse d'une veine liquide par ultra-sons |
| WO1993006440A1 (fr) * | 1991-09-16 | 1993-04-01 | British Gas Plc | Systeme de mesure |
| CN104007286A (zh) * | 2014-06-10 | 2014-08-27 | 上海航征测控系统有限公司 | 一种用于河道表面流速的自动监测系统 |
-
1974
- 1974-08-06 FR FR7427312A patent/FR2281571A1/fr active Granted
Non-Patent Citations (1)
| Title |
|---|
| NEANT * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2454101A1 (fr) * | 1979-04-11 | 1980-11-07 | Onera (Off Nat Aerospatiale) | Appareil de mesure de la vitesse d'une veine liquide par ultra-sons |
| US4334434A (en) * | 1979-04-11 | 1982-06-15 | Office National D'etudes Et De Recherches Aerospatiales O.N.E.R.A. | Ultrasonic flow rate meter |
| WO1993006440A1 (fr) * | 1991-09-16 | 1993-04-01 | British Gas Plc | Systeme de mesure |
| AU659679B2 (en) * | 1991-09-16 | 1995-05-25 | Lattice Intellectual Property Limited | Measurement system |
| US5461931A (en) * | 1991-09-16 | 1995-10-31 | British Gas Plc | Measurement system |
| GB2259571B (en) * | 1991-09-16 | 1996-01-17 | British Gas Plc | Measurement system |
| EP0724139A3 (fr) * | 1991-09-16 | 1997-10-15 | British Gas Plc | Système de mesure |
| SG43021A1 (en) * | 1991-09-16 | 2003-04-23 | Transco Plc | Measurement system |
| CN104007286A (zh) * | 2014-06-10 | 2014-08-27 | 上海航征测控系统有限公司 | 一种用于河道表面流速的自动监测系统 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2281571B1 (fr) | 1976-12-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CL | Concession to grant licenses | ||
| AM | Act modifying the rights related to an application or a patent | ||
| AM | Act modifying the rights related to an application or a patent | ||
| ST | Notification of lapse |