DK124778B - Apparatus for optical measurement of velocities of a flowing fluid. - Google Patents

Apparatus for optical measurement of velocities of a flowing fluid.

Info

Publication number
DK124778B
DK124778B DK563869A DK563869A DK124778B DK 124778 B DK124778 B DK 124778B DK 563869 A DK563869 A DK 563869A DK 563869 A DK563869 A DK 563869A DK 124778 B DK124778 B DK 124778B
Authority
DK
Denmark
Prior art keywords
velocities
optical measurement
flowing fluid
flowing
fluid
Prior art date
Application number
DK563869A
Other languages
Danish (da)
Inventor
L Drain
Original Assignee
Atomic Energy Authority Uk
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Atomic Energy Authority Uk filed Critical Atomic Energy Authority Uk
Publication of DK124778B publication Critical patent/DK124778B/en

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
    • G01F1/661—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
DK563869A 1968-10-25 1969-10-24 Apparatus for optical measurement of velocities of a flowing fluid. DK124778B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5088968A GB1222177A (en) 1968-10-25 1968-10-25 Improvements in or relating to fluid flow measurements

Publications (1)

Publication Number Publication Date
DK124778B true DK124778B (en) 1972-11-20

Family

ID=10457795

Family Applications (1)

Application Number Title Priority Date Filing Date
DK563869A DK124778B (en) 1968-10-25 1969-10-24 Apparatus for optical measurement of velocities of a flowing fluid.

Country Status (4)

Country Link
DE (1) DE1953630C3 (en)
DK (1) DK124778B (en)
FR (1) FR2021617A1 (en)
GB (1) GB1222177A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1798076A1 (en) * 1968-08-17 1972-01-05 Licentia Gmbh Method for determining the sign of the speed in the case of Doppler speed measurement methods with electromagnetic radiation
US3738750A (en) * 1970-12-10 1973-06-12 Us Air Force Doppler shift laser velocimeter data processor
DE3239248A1 (en) * 1982-10-23 1984-04-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Method and arrangement for contactless speed measurement by means of methods of beam modulation optics
US5121988A (en) * 1989-10-04 1992-06-16 Tsi Incorporated Single particle detector method and apparatus utilizing light extinction within a sheet of light
DE4244605A1 (en) * 1992-05-27 1993-12-02 Hewlett Packard Co Optical low-coherence reflectometer with improved sensitivity with optical attenuation
GB0505849D0 (en) * 2005-03-22 2005-04-27 Boc Group Plc Method of monitoring a freeze drying process

Also Published As

Publication number Publication date
FR2021617A1 (en) 1970-07-24
DE1953630B2 (en) 1974-03-28
DE1953630A1 (en) 1970-04-30
GB1222177A (en) 1971-02-10
DE1953630C3 (en) 1981-05-27

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