FI20020579A - Ultrasonic flow meter and flow measurement method - Google Patents

Ultrasonic flow meter and flow measurement method

Info

Publication number
FI20020579A
FI20020579A FI20020579A FI20020579A FI20020579A FI 20020579 A FI20020579 A FI 20020579A FI 20020579 A FI20020579 A FI 20020579A FI 20020579 A FI20020579 A FI 20020579A FI 20020579 A FI20020579 A FI 20020579A
Authority
FI
Finland
Prior art keywords
measurement method
flow
ultrasonic
flow meter
meter
Prior art date
Application number
FI20020579A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI20020579A0 (en
Inventor
Jarmo Hietanen
Original Assignee
Vaisala Oyj
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 Vaisala Oyj filed Critical Vaisala Oyj
Priority to FI20020579A priority Critical patent/FI20020579A/en
Publication of FI20020579A0 publication Critical patent/FI20020579A0/en
Priority to AU2003220767A priority patent/AU2003220767A1/en
Priority to PCT/FI2003/000224 priority patent/WO2003081184A1/en
Publication of FI20020579A publication Critical patent/FI20020579A/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
    • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00—Indicating or recording presence, absence, or direction, of movement
    • G01P13/02—Indicating direction only, e.g. by weather vane
    • 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
    • G01P5/24—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 acoustical wave
    • G01P5/245—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 acoustical wave by measuring transit time of acoustical waves

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Measuring Volume Flow (AREA)
FI20020579A 2002-03-26 2002-03-26 Ultrasonic flow meter and flow measurement method FI20020579A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI20020579A FI20020579A (en) 2002-03-26 2002-03-26 Ultrasonic flow meter and flow measurement method
AU2003220767A AU2003220767A1 (en) 2002-03-26 2003-03-24 Ultrasonic flow meter and a method for measuring flow
PCT/FI2003/000224 WO2003081184A1 (en) 2002-03-26 2003-03-24 Ultrasonic flow meter and a method for measuring flow

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20020579A FI20020579A (en) 2002-03-26 2002-03-26 Ultrasonic flow meter and flow measurement method

Publications (2)

Publication Number Publication Date
FI20020579A0 FI20020579A0 (en) 2002-03-26
FI20020579A true FI20020579A (en) 2003-09-27

Family

ID=8563648

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20020579A FI20020579A (en) 2002-03-26 2002-03-26 Ultrasonic flow meter and flow measurement method

Country Status (3)

Country Link
AU (1) AU2003220767A1 (en)
FI (1) FI20020579A (en)
WO (1) WO2003081184A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4423623A (en) * 1981-08-24 1984-01-03 Rockwell International Corporation Microwave meter for fluid mixtures
SU1545167A1 (en) * 1987-07-01 1990-02-23 Каунасский Политехнический Институт Им.Антанаса Снечкуса Pickup process for acoustic meter of liquid surface layer velocity
US5398216A (en) * 1993-08-30 1995-03-14 General Electric Company Method for detecting two-dimensional flow for ultrasound color flow imaging
US5650571A (en) * 1995-03-13 1997-07-22 Freud; Paul J. Low power signal processing and measurement apparatus
US5821427A (en) * 1997-05-21 1998-10-13 Ads Environmental Services, Inc. Liquid velocity measurement using curve fitting for peak velocity detection

Also Published As

Publication number Publication date
AU2003220767A1 (en) 2003-10-08
WO2003081184A1 (en) 2003-10-02
FI20020579A0 (en) 2002-03-26

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Legal Events

Date Code Title Description
FD Application lapsed