FI20020579A - Ultraäänivirtausmittari ja menetelmä virtauksen mittaamiseksi - Google Patents

Ultraäänivirtausmittari ja menetelmä virtauksen mittaamiseksi

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
English (en)
Swedish (sv)
Other versions
FI20020579A0 (fi
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/fi
Publication of FI20020579A0 publication Critical patent/FI20020579A0/fi
Priority to AU2003220767A priority patent/AU2003220767A1/en
Priority to PCT/FI2003/000224 priority patent/WO2003081184A1/en
Publication of FI20020579A publication Critical patent/FI20020579A/fi

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 Ultraäänivirtausmittari ja menetelmä virtauksen mittaamiseksi FI20020579A (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI20020579A FI20020579A (fi) 2002-03-26 2002-03-26 Ultraäänivirtausmittari ja menetelmä virtauksen mittaamiseksi
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 (fi) 2002-03-26 2002-03-26 Ultraäänivirtausmittari ja menetelmä virtauksen mittaamiseksi

Publications (2)

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

Family

ID=8563648

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20020579A FI20020579A (fi) 2002-03-26 2002-03-26 Ultraäänivirtausmittari ja menetelmä virtauksen mittaamiseksi

Country Status (3)

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

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 (ru) * 1987-07-01 1990-02-23 Каунасский Политехнический Институт Им.Антанаса Снечкуса Датчик акустического измерител скорости поверхностного сло жидкости
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
WO2003081184A1 (en) 2003-10-02
FI20020579A0 (fi) 2002-03-26
AU2003220767A1 (en) 2003-10-08

Similar Documents

Publication Publication Date Title
EP1719980A4 (en) ULTRASONIC DEBIMETER AND ULTRASONIC FLOW MEASUREMENT METHOD
EP1566614A4 (en) ULTRASONIC FLOWMETER AND METHOD OF ULTRASONIC FLOW MEASUREMENT
FI20020854A0 (fi) Laitteisto ja menetelmä viemäriputkien tarkastamiseksi
DE60226396D1 (de) Turbinendurchflussmesser
FI20031476A (fi) Anturointi ihon pinnalta saatavien signaalien mittaamiseksi ja anturoinnin valmistusmenetelmä
NO20024332D0 (no) Metode og innretning for bestemmelse av strömning
DE502004011348D1 (de) Ultraschallströmungssensor mit verschränkten sende- und empfangselementen
FI20020412A0 (fi) Menetelmä kannettavan elektronisen laitteen kontekstin määrittämiseen ja kannettava elektroninen laite
DE502004005500D1 (de) Magnetisch-induktiver durchflussmesser
FI20011040A (fi) Menetelmä ja laite nesteen vesipitoisuuden määrittämiseksi
DE602004022697D1 (de) Ultraschall-doppler-blutflussmessgerät
DE60223616D1 (de) Ultraschall-Durchflussmesser
FI20020579A0 (fi) Ultraäänivirtausmittari ja menetelmä virtauksen mittaamiseksi
FI20031021A (fi) Mekaaninen mittalaite ja mittausmenetelmä
FI20010734A (fi) Menetelmä ja sovitelma mittalaitteen puhtaanapitämiseksi
FI20011959A0 (fi) Menetelmä ja mittauslaitteisto kulmanopeuseron määrittämiseksi
DE60233892D1 (de) Rohrleitungsdurchflussmesseinrichtung
FI20021442A0 (fi) Menetelmä ja laite etäisyyden mittaamiseksi
FI20011258A0 (fi) Menetelmä ja sovitelma virtausmittarin lukeman ilmaisemiseksi
DE50304725D1 (de) Ultraschallmassendurchflussmesser
FI20021461A0 (fi) Menetelmä ja järjestely puhkaisulujuuden mittaamiseksi
FI20010923A (fi) Menetelmä radiometrisen mittarin mittaustarkkuuden parantamiseksi ja radiometrinen mittari
SE0203059L (sv) Ultraljudsmätare
FI4500U1 (fi) Laite nestevirtauksen mittaamiseksi
FI20031839A0 (fi) Akustinen virtausmittari

Legal Events

Date Code Title Description
FD Application lapsed