DE69111392D1 - Lasergerät zur Messung der Geschwindigkeit von Flüssigkeiten. - Google Patents

Lasergerät zur Messung der Geschwindigkeit von Flüssigkeiten.

Info

Publication number
DE69111392D1
DE69111392D1 DE69111392T DE69111392T DE69111392D1 DE 69111392 D1 DE69111392 D1 DE 69111392D1 DE 69111392 T DE69111392 T DE 69111392T DE 69111392 T DE69111392 T DE 69111392T DE 69111392 D1 DE69111392 D1 DE 69111392D1
Authority
DE
Germany
Prior art keywords
liquids
measuring
speed
laser device
laser
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 - Lifetime
Application number
DE69111392T
Other languages
English (en)
Inventor
Mario Martinelli
Valeria Gusmeroli
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CISE Centro Informazioni Studi e Esperienze SpA
Original Assignee
CISE Centro Informazioni Studi e Esperienze 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 Centro Informazioni Studi e Esperienze SpA filed Critical CISE Centro Informazioni Studi e Esperienze SpA
Application granted granted Critical
Publication of DE69111392D1 publication Critical patent/DE69111392D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE69111392T 1990-12-04 1991-12-03 Lasergerät zur Messung der Geschwindigkeit von Flüssigkeiten. Expired - Lifetime DE69111392D1 (de)

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
DE69111392D1 true DE69111392D1 (de) 1995-08-24

Family

ID=11194077

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69111392T Expired - Lifetime DE69111392D1 (de) 1990-12-04 1991-12-03 Lasergerät zur Messung der Geschwindigkeit von Flüssigkeiten.

Country Status (5)

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

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
US6181429B1 (en) 1997-12-22 2001-01-30 Pirelli Cavi E Sistemi S.P.A. Interferometer for measurements of optical properties in bulk samples
EP0924507B1 (de) * 1997-12-22 2003-08-13 Optical Technologies U.S.A. Corp. Interferometer zu Messung optischer Eigenschaften in Proben
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
WO2005047907A1 (en) * 2003-10-14 2005-05-26 Trex Enterprises Corporation Optical flow monitor
US20060020239A1 (en) * 2004-07-20 2006-01-26 Geiger Mark A Cerebral spinal fluid flow sensing device
ATE473062T1 (de) 2004-07-23 2010-07-15 Halton Group Ltd Oy Verbesserungen zur steuerung von abgassystemen
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
BRPI0917043B1 (pt) 2008-12-03 2019-11-26 Oy Halton Group Ltd método para controlar o fluxo de ar de exaustão em um sistema de ventilação de exaustão, e sistema de ventilação de exaustão
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
ATE23407T1 (de) * 1981-12-28 1986-11-15 Dantec Elektronik Med 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
IT1244170B (it) 1994-07-08
EP0489474A1 (de) 1992-06-10
IT9022278A1 (it) 1992-06-05
DK0489474T3 (da) 1995-11-27
US5268739A (en) 1993-12-07
EP0489474B1 (de) 1995-07-19
IT9022278A0 (it) 1990-12-04

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Legal Events

Date Code Title Description
8332 No legal effect for de