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DK0489474T3 - Laserapparat til måling af hastigheden af et fluidt medium - Google Patents

Laserapparat til måling af hastigheden af et fluidt medium

Info

Publication number
DK0489474T3
DK0489474T3 DK91203152.3T DK91203152T DK0489474T3 DK 0489474 T3 DK0489474 T3 DK 0489474T3 DK 91203152 T DK91203152 T DK 91203152T DK 0489474 T3 DK0489474 T3 DK 0489474T3
Authority
DK
Denmark
Prior art keywords
velocity
measuring
fluid medium
laser apparatus
laser
Prior art date
Application number
DK91203152.3T
Other languages
English (en)
Inventor
Mario Martinelli
Valeria Gusmeroli
Original Assignee
Cise Spa
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 Cise Spa filed Critical Cise Spa
Application granted granted Critical
Publication of DK0489474T3 publication Critical patent/DK0489474T3/da

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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
DK91203152.3T 1990-12-04 1991-12-03 Laserapparat til måling af hastigheden af et fluidt medium DK0489474T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02227890A IT1244170B (it) 1990-12-04 1990-12-04 Apparecchiatura laser per la misura della velocita' di un fluido.

Publications (1)

Publication Number Publication Date
DK0489474T3 true DK0489474T3 (da) 1995-11-27

Family

ID=11194077

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91203152.3T DK0489474T3 (da) 1990-12-04 1991-12-03 Laserapparat til måling af hastigheden af et fluidt medium

Country Status (5)

Country Link
US (1) US5268739A (da)
EP (1) EP0489474B1 (da)
DE (1) DE69111392D1 (da)
DK (1) DK0489474T3 (da)
IT (1) IT1244170B (da)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5404221A (en) * 1993-02-24 1995-04-04 Zygo Corporation Extended-range two-color interferometer
US5414509A (en) * 1993-03-08 1995-05-09 Associated Universities, Inc. Optical pressure/density measuring means
US5701172A (en) * 1995-06-07 1997-12-23 Gas Research Institute Optical flowmeter
FR2750215B1 (fr) * 1996-06-25 1998-09-11 Sextant Avionique Sonde velocimetrique optique
JP2877119B2 (ja) * 1996-12-26 1999-03-31 日本電気株式会社 移動体の速度測定装置
EP0924507B1 (en) * 1997-12-22 2003-08-13 Optical Technologies U.S.A. Corp. Interferometer for measurements of optical properties in bulk samples
US6181429B1 (en) 1997-12-22 2001-01-30 Pirelli Cavi E Sistemi S.P.A. Interferometer for measurements of optical properties in bulk samples
US6510842B2 (en) 2000-07-03 2003-01-28 Murad M. Ismailov Flow meter
US6429926B1 (en) * 2001-01-08 2002-08-06 Nova Gas Transmission Ltd. Optical flow meter capable of operating with a variable refractive index
US20110005507A9 (en) * 2001-01-23 2011-01-13 Rick Bagwell Real-time control of exhaust flow
US20020140942A1 (en) * 2001-02-17 2002-10-03 Fee Michale Sean Acousto-optic monitoring and imaging in a depth sensitive manner
US6469787B1 (en) 2001-04-03 2002-10-22 Ohio Aerospace Institute Dynamic light scattering homodyne probe
US20040075824A1 (en) * 2002-05-23 2004-04-22 Mikhail Belenkii Optical flow monitor
US20060020239A1 (en) * 2004-07-20 2006-01-26 Geiger Mark A Cerebral spinal fluid flow sensing device
US8038515B2 (en) 2004-07-23 2011-10-18 Oy Halton Group Ltd. Control of exhaust systems
US7126586B2 (en) * 2004-09-17 2006-10-24 Microsoft Corporation Data input devices and methods for detecting movement of a tracking surface by detecting laser doppler self-mixing effects of a frequency modulated laser light beam
GB0616837D0 (en) * 2006-08-25 2006-10-04 Moir Christopher I Velocity detector
US20080274683A1 (en) 2007-05-04 2008-11-06 Current Energy Controls, Lp Autonomous Ventilation System
US20090061752A1 (en) 2007-08-28 2009-03-05 Current Energy Controls, Lp Autonomous Ventilation System
DK2370744T3 (da) 2008-12-03 2019-05-20 Oy Halton Group Ltd Udsugningsstrømningsstyresystem og -fremgangsmåde
CN102323445B (zh) * 2011-06-14 2012-11-21 华中科技大学 一种测量重频激光器腔内循环气体流动速度的方法
RU2627966C1 (ru) * 2016-11-07 2017-08-14 федеральное государственное бюджетное образовательное учреждение высшего образования "Московский государственный технический университет имени Н.Э. Баумана (национальный исследовательский университет)" (МГТУ им. Н.Э. Баумана) Сверхчувствительная гидроакустическая антенна на основе волоконно-оптических гидрофонов, использующая многоэлементные приёмники
CN108594426B (zh) * 2018-01-30 2023-06-30 中国工程物理研究院激光聚变研究中心 一种光延迟器及其使用方法
CN113984606A (zh) * 2021-10-14 2022-01-28 上海北分科技股份有限公司 具有背景光补偿功能的激光后向散射粉尘仪及其使用方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4575238A (en) * 1981-12-28 1986-03-11 Disa Elektronik A/S Laser-doppler-anemometer
JPS58182524A (ja) * 1982-04-20 1983-10-25 Sumitomo Electric Ind Ltd 光周波数変化検出方式
US4818071A (en) * 1985-03-26 1989-04-04 Andrew Corporation Fiber optic doppler anemometer
US4627731A (en) * 1985-09-03 1986-12-09 United Technologies Corporation Common optical path interferometric gauge
GB8705844D0 (en) * 1987-03-12 1987-04-15 Secr Defence Dynamic light scattering apparatus
DE3719806A1 (de) * 1987-06-13 1988-12-22 Basf Ag Fiberoptischer sensor
US4892406A (en) * 1988-01-11 1990-01-09 United Technologies Corporation Method of and arrangement for measuring vibrations
DE3820654A1 (de) * 1988-06-18 1989-12-21 Deutsche Forsch Luft Raumfahrt Verfahren und vorrichtung zur bestimmung des vorzeichens der richtung einer teilchenstroemung
JP2726882B2 (ja) * 1988-11-21 1998-03-11 日本電信電話株式会社 後方散乱光測定装置
FR2640755B1 (fr) * 1988-12-15 1991-03-22 Crouzet Sa Anemometre laser a plusieurs directions de mesure
US5012118A (en) * 1989-12-13 1991-04-30 Preikschat F K Apparatus and method for particle analysis

Also Published As

Publication number Publication date
EP0489474A1 (en) 1992-06-10
EP0489474B1 (en) 1995-07-19
US5268739A (en) 1993-12-07
IT9022278A0 (it) 1990-12-04
DE69111392D1 (de) 1995-08-24
IT1244170B (it) 1994-07-08
IT9022278A1 (it) 1992-06-05

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