FR2353067A1 - Procede pour mesurer la vitesse d'un fluide et dispositif pour sa mise en oeuvre - Google Patents
Procede pour mesurer la vitesse d'un fluide et dispositif pour sa mise en oeuvreInfo
- Publication number
- FR2353067A1 FR2353067A1 FR7715926A FR7715926A FR2353067A1 FR 2353067 A1 FR2353067 A1 FR 2353067A1 FR 7715926 A FR7715926 A FR 7715926A FR 7715926 A FR7715926 A FR 7715926A FR 2353067 A1 FR2353067 A1 FR 2353067A1
- Authority
- FR
- France
- Prior art keywords
- phase shift
- velocity meter
- fluid flow
- interferometer
- different length
- 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
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
- G01P5/26—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 optical wave
-
- 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
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/50—Systems of measurement based on relative movement of target
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Multimedia (AREA)
- Aviation & Aerospace Engineering (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Optical Measuring Cells (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762623919 DE2623919C2 (de) | 1976-05-28 | 1976-05-28 | Laser-Doppler-Geschwindigkeitsmesser |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2353067A1 true FR2353067A1 (fr) | 1977-12-23 |
FR2353067B1 FR2353067B1 (cs) | 1984-01-06 |
Family
ID=5979213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7715926A Granted FR2353067A1 (fr) | 1976-05-28 | 1977-05-25 | Procede pour mesurer la vitesse d'un fluide et dispositif pour sa mise en oeuvre |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2623919C2 (cs) |
FR (1) | FR2353067A1 (cs) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3106025C2 (de) * | 1981-02-19 | 1985-01-17 | Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln | Verfahren und Vorrichtung zur schnellen Messung örtlicher Geschwindigkeitskomponenten in einem Geschwindigkeitsfeld |
DE3802335C1 (en) * | 1988-01-27 | 1989-03-02 | Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De | Device for determining the speed of an object |
US6320272B1 (en) | 1997-03-26 | 2001-11-20 | Forskningscenter Riso | Wind turbine with a wind velocity measurement system |
GB2487715A (en) | 2011-01-18 | 2012-08-08 | Vestas Wind Sys As | Method and apparatus for protecting wind turbines from extreme wind direction changes |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3035482A (en) * | 1958-12-06 | 1962-05-22 | Zeiss Carl | Interferometers |
US3753616A (en) * | 1971-11-22 | 1973-08-21 | Us Air Force | Laser doppler velocimeter detector |
DE2453832A1 (de) * | 1973-11-13 | 1975-10-16 | Harvey Arthur Frank | Laser-doppler-geschwindigkeitsmesser |
FR2273258A1 (en) * | 1974-05-30 | 1975-12-26 | Zeiss Jena Veb Carl | Double-beam interferometer to determine optical refractive indices - has part beam paths containing test substance and reference substance |
DE2518197A1 (de) * | 1975-04-24 | 1976-11-04 | Guenter Dipl Phys Dr Smeets | Schnelle phasennachfuehrung fuer laser-interferometer |
-
1976
- 1976-05-28 DE DE19762623919 patent/DE2623919C2/de not_active Expired
-
1977
- 1977-05-25 FR FR7715926A patent/FR2353067A1/fr active Granted
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3035482A (en) * | 1958-12-06 | 1962-05-22 | Zeiss Carl | Interferometers |
US3753616A (en) * | 1971-11-22 | 1973-08-21 | Us Air Force | Laser doppler velocimeter detector |
DE2453832A1 (de) * | 1973-11-13 | 1975-10-16 | Harvey Arthur Frank | Laser-doppler-geschwindigkeitsmesser |
FR2273258A1 (en) * | 1974-05-30 | 1975-12-26 | Zeiss Jena Veb Carl | Double-beam interferometer to determine optical refractive indices - has part beam paths containing test substance and reference substance |
DE2518197A1 (de) * | 1975-04-24 | 1976-11-04 | Guenter Dipl Phys Dr Smeets | Schnelle phasennachfuehrung fuer laser-interferometer |
Non-Patent Citations (1)
Title |
---|
EXBK/72 * |
Also Published As
Publication number | Publication date |
---|---|
DE2623919C2 (de) | 1982-05-13 |
DE2623919A1 (de) | 1977-12-15 |
FR2353067B1 (cs) | 1984-01-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2402320A1 (fr) | Selecteur de mode pour laser | |
FR2353067A1 (fr) | Procede pour mesurer la vitesse d'un fluide et dispositif pour sa mise en oeuvre | |
CN102253389A (zh) | 一种He-Ne激光器双折射外腔回馈位移测量系统 | |
US3708229A (en) | System for measuring optical path length across layers of small thickness | |
US7420689B2 (en) | Method for determining the refractive index during interferometric length measurement and interferometric arrangement therefor | |
US3471239A (en) | Interferometric apparatus | |
Jacobson | Novel interferometer for the measurement of plasma density | |
Massie et al. | Absolute distance interferometry | |
US3674371A (en) | Temperature compensation of a laser interferometer | |
Zlatin et al. | A laser differential interferometer/theory of the device and an example of application | |
US3419331A (en) | Single and double beam interferometer means | |
CN111834870A (zh) | 一种即插式的锥形激光放大装置 | |
Fischer et al. | Overcoming coherence length limitation in two wavelength interferometry—an experimental verification | |
JPS58208602A (ja) | レ−ザ装置及びこのようなレ−ザ装置を具える干渉計 | |
Snyder | Compact static wavelength meter for both pulsed and cw lasers | |
GB1244337A (en) | Improvements in or relating to optical apparatus | |
GB1308957A (en) | Methods and apparatus for determining the distance of an object | |
JPH01210804A (ja) | 面間隔測定方法 | |
SU1362923A1 (ru) | Двухчастотна интерферометрическа система дл измерени линейных перемещений | |
Bennett | Length and displacement measurement by laser interferometry | |
JPS533368A (en) | Liquid level measurement | |
SELEZNEV et al. | Instrument for measuring displacements by holographic interferometry(Displacement measuring instrument based on holographic interferometry using He-Ne laser with split beam for interference fringes on photographic plate) | |
Stasel'ko et al. | Holographic method for measuring spatial coherence functions | |
TW223146B (en) | Measuring interferometer | |
JPS5250275A (en) | Apparatus for measuring quantity of light using laser |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse | ||
ST | Notification of lapse |