DE1808162C3 - Verfahren zum Ermitteln von Turbulenz in einem Strömungsmittel - Google Patents
Verfahren zum Ermitteln von Turbulenz in einem StrömungsmittelInfo
- Publication number
- DE1808162C3 DE1808162C3 DE1808162A DE1808162A DE1808162C3 DE 1808162 C3 DE1808162 C3 DE 1808162C3 DE 1808162 A DE1808162 A DE 1808162A DE 1808162 A DE1808162 A DE 1808162A DE 1808162 C3 DE1808162 C3 DE 1808162C3
- Authority
- DE
- Germany
- Prior art keywords
- fluid
- frequency
- turbulence
- scattered
- light
- 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.)
- Expired
Links
- 239000012530 fluid Substances 0.000 title claims description 12
- 238000000034 method Methods 0.000 title claims description 6
- 239000002245 particle Substances 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 7
- 230000001427 coherent effect Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 8
- 230000005855 radiation Effects 0.000 description 4
- 230000035559 beat frequency Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/36—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light
- G01P3/366—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light by using diffraction of light
-
- 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
- G01F1/661—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 using light
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S13/585—Velocity or trajectory determination systems; Sense-of-movement determination systems processing the video signal in order to evaluate or display the velocity value
- G01S13/587—Velocity or trajectory determination systems; Sense-of-movement determination systems processing the video signal in order to evaluate or display the velocity value using optical means
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
- H01S3/083—Ring lasers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Plasma & Fusion (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Optics & Photonics (AREA)
- Fluid Mechanics (AREA)
- Power Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Measuring Volume Flow (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5137167 | 1967-11-10 | ||
GB00757/68A GB1242063A (en) | 1967-11-10 | 1967-11-10 | Improvements in or relating to the detection and measurement of movement |
Publications (3)
Publication Number | Publication Date |
---|---|
DE1808162A1 DE1808162A1 (de) | 1969-07-24 |
DE1808162B2 DE1808162B2 (de) | 1978-10-26 |
DE1808162C3 true DE1808162C3 (de) | 1982-02-04 |
Family
ID=26247746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1808162A Expired DE1808162C3 (de) | 1967-11-10 | 1968-11-09 | Verfahren zum Ermitteln von Turbulenz in einem Strömungsmittel |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE1808162C3 (da) |
DK (1) | DK144716C (da) |
FR (1) | FR1592220A (da) |
GB (1) | GB1242063A (da) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2454102A1 (fr) * | 1979-02-27 | 1980-11-07 | Anvar | Procede et dispositif pour la mesure simultanee de vitesses, fluctuations de vitesses et diametres de particules submicroniques dans un fluide |
DE3033250A1 (de) * | 1980-09-04 | 1982-04-08 | Stahl Gmbh & Co Maschinenfabrik, 7140 Ludwigsburg | Zahnradantrieb |
DE3153109C2 (de) * | 1981-03-27 | 1986-02-13 | Jagenberg AG, 4000 Düsseldorf | Geräuschgedämpftes Maschinenelement |
FR2527334B1 (fr) * | 1982-05-21 | 1985-03-01 | Inst Nat Sante Rech Med | Appareil d'electrophorese a laser sans focalisation |
GB2215050B (en) * | 1988-02-03 | 1991-09-04 | Schlumberger Ind Ltd | Systems for detecting magnetic particles in fluids |
DE3936950C2 (de) * | 1988-07-08 | 1996-12-19 | Deutsch Franz Forsch Inst | Laser-Doppler-Anemometer |
DE102012001703A1 (de) | 2012-01-31 | 2013-08-01 | Astrium Gmbh | Zahnrad |
-
1967
- 1967-11-10 GB GB00757/68A patent/GB1242063A/en not_active Expired
-
1968
- 1968-11-08 FR FR1592220D patent/FR1592220A/fr not_active Expired
- 1968-11-08 DK DK544968A patent/DK144716C/da not_active IP Right Cessation
- 1968-11-09 DE DE1808162A patent/DE1808162C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR1592220A (da) | 1970-05-11 |
DK144716C (da) | 1982-11-15 |
DK144716B (da) | 1982-05-17 |
DE1808162B2 (de) | 1978-10-26 |
DE1808162A1 (de) | 1969-07-24 |
GB1242063A (en) | 1971-08-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69433677T2 (de) | Verfahren und Vorrichtung zur Messung eines streuenden Mediums | |
DE69738173T2 (de) | Verfahren und Vorrichtung zur Gewinnung von Informationen über die optische Absorption eines streuenden Mediums | |
DE69801825T2 (de) | Einen nichtviskosen strom erzeugende düse verwendendes teilchennachweissystem | |
DE3103476A1 (de) | "kuevette" | |
DE2609246A1 (de) | Verfahren und anordnung zur messung der massendichte von in einem stroemenden medium suspendierten partikeln | |
DE2832091A1 (de) | Optisches verfahren zur bestimmung der teilchengroesse kolloidaler loesungen und messgeraet zur durchfuehrung des verfahrens | |
EP0150035A2 (de) | Verfahren, Schaltungsanordnung und Einrichtung zur berührungslosen real-time-Bestimmung von Geschwindigkeiten sowie deren Verwendung | |
DE1808162C3 (de) | Verfahren zum Ermitteln von Turbulenz in einem Strömungsmittel | |
DE2733957A1 (de) | Verfahren und vorrichtung zur messung einer eigenschaft eines materials in blattform | |
DE2910240A1 (de) | Vorrichtung zur ermittelung des reflexionsvermoegens der oberflaeche eines messobjektes | |
DE2521433A1 (de) | Geraet zum messen des staubgehaltes eines gasstromes | |
DE69120462T2 (de) | Infrarotfeuchtigkeitsmessgerät | |
DE69427067T2 (de) | Streulichtintensitätsdetektor für von Filmen in kolloidalen Medien gestreutes Licht | |
DE69108682T2 (de) | Vorrichtung zur Messung des Durchmessers und der Geschwindigkeit eines Teilchens. | |
DE2521453C2 (da) | ||
DE3315456C2 (de) | Vorrichtung zur Bestimmung von Partikelgrößen | |
DE2709866A1 (de) | Vorrichtung zur feststellung von schwebeteilchen | |
DE3621567A1 (de) | Mit reflektiertem licht arbeitender oberflaechenrauheitsanalysator | |
DE68902877T2 (de) | Verfahren und vorrichtung zur messung der sichtweite durch ein medium veraenderlicher dichte. | |
EP0823626B1 (de) | Vorrichtung und Verfahren zum Messen eines Teilchenstromes in einem Fluid | |
DE1921149B2 (de) | Verfahren zur bestimmung der teilchengroesse in einer poly dispersen suspension hoher konzentrationen | |
DE1245176B (de) | Anordnung fuer die waehrend der Herstellung photographischer Filme kontinuierlich vorzunehmende Messung des Wassergehalts photographischer Schichten | |
DE2421851A1 (de) | Verfahren zur messung der steigung von gedrehten faeden | |
DE1953630B2 (de) | Vorrichtung zum Messen der Geschwindigkeit von Partikeln in einem Strömungsmittel | |
DE3221867C2 (de) | Vorrichtung zur Messung der Konzentration von Teilchen in Flüssigkeiten |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C3 | Grant after two publication steps (3rd publication) |