SE0003348D0 - Anordning och förfarande för att mäta flödet i en fluid - Google Patents

Anordning och förfarande för att mäta flödet i en fluid

Info

Publication number
SE0003348D0
SE0003348D0 SE0003348A SE0003348A SE0003348D0 SE 0003348 D0 SE0003348 D0 SE 0003348D0 SE 0003348 A SE0003348 A SE 0003348A SE 0003348 A SE0003348 A SE 0003348A SE 0003348 D0 SE0003348 D0 SE 0003348D0
Authority
SE
Sweden
Prior art keywords
fluid
detecting
acoustic waves
measuring
flow
Prior art date
Application number
SE0003348A
Other languages
English (en)
Inventor
Mats Larsson
Peter Loefgren
Tomas Nygren
Mats Aabom
Original Assignee
Flaekt Ab
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 Flaekt Ab filed Critical Flaekt Ab
Priority to SE0003348A priority Critical patent/SE0003348D0/sv
Publication of SE0003348D0 publication Critical patent/SE0003348D0/sv
Priority to AU2001288172A priority patent/AU2001288172A1/en
Priority to PCT/SE2001/001975 priority patent/WO2002023136A1/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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17853—Methods, e.g. algorithms; Devices of the filter
    • G10K11/17854—Methods, e.g. algorithms; Devices of the filter the filter being an adaptive filter
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17857—Geometric disposition, e.g. placement of microphones
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787—General system configurations
    • G10K11/17879—General system configurations using both a reference signal and an error signal
    • G10K11/17881—General system configurations using both a reference signal and an error signal the reference signal being an acoustic signal, e.g. recorded with a microphone

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
SE0003348A 2000-09-18 2000-09-18 Anordning och förfarande för att mäta flödet i en fluid SE0003348D0 (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE0003348A SE0003348D0 (sv) 2000-09-18 2000-09-18 Anordning och förfarande för att mäta flödet i en fluid
AU2001288172A AU2001288172A1 (en) 2000-09-18 2001-09-14 A device and a method for measuring the flow in a fluid
PCT/SE2001/001975 WO2002023136A1 (en) 2000-09-18 2001-09-14 A device and a method for measuring the flow in a fluid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0003348A SE0003348D0 (sv) 2000-09-18 2000-09-18 Anordning och förfarande för att mäta flödet i en fluid

Publications (1)

Publication Number Publication Date
SE0003348D0 true SE0003348D0 (sv) 2000-09-18

Family

ID=20281083

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0003348A SE0003348D0 (sv) 2000-09-18 2000-09-18 Anordning och förfarande för att mäta flödet i en fluid

Country Status (3)

Country Link
AU (1) AU2001288172A1 (sv)
SE (1) SE0003348D0 (sv)
WO (1) WO2002023136A1 (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004109239A2 (en) * 2003-06-05 2004-12-16 Cidra Corporation Apparatus for measuring velocity and flow rate of a fluid having a non-negligible axial mach number using an array of sensors
DE102005042792B3 (de) * 2005-09-08 2007-05-31 Rohde & Schwarz Ftk Gmbh Verfahren und Vorrichtung zur Messung von Strömungsgeschwindigkeit und/oder Temperatur eines Fluides
HUP0700785A2 (en) 2007-12-05 2009-06-29 Thormed Kft Method and apparatus for determining the flow parameters of a streaming medium
CN112188379B (zh) * 2020-09-29 2021-11-02 深圳市音鸿电子有限公司 一种利用磁流变液的音响检测装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE467552B (sv) * 1988-10-31 1992-08-03 Jerker Delsing Saett och anordning foer maetning av massfloedet m av ett fluidium
FI87493C (sv) * 1991-12-23 1993-01-11 Kytoelae Instrumenttitehdas Förfarande och anordning för mätning av strömningshastigheten av gaser och/eller storheter som kan härledas från denna
NO174643C (no) * 1992-01-13 1994-06-08 Jon Steinar Gudmundsson Apparat og framgangsmåte for bestemmelse av strömningshastighet og gass/væske-forhold i flerefase-strömmer
FI88208C (sv) * 1992-04-01 1993-04-13 Valtion Teknillinen Förfarande och anordning för akustisk mätning av en gasström
FI88209C (sv) * 1992-04-14 1993-04-13 Kytoelae Instrumenttitehdas Förfarande och anordning vid akustisk strömmätning för att försäkra si g om den funktionsförmåga
WO1995019075A2 (en) * 1993-12-30 1995-07-13 Bolt Beranek And Newman Inc. Active muffler
FI94909C (sv) * 1994-04-19 1995-11-10 Valtion Teknillinen Akustisk strömmätningsförfarande och anordning för tillämpning av detta
DE19722274A1 (de) * 1997-05-28 1998-12-03 Degussa Verfahren zur Messung von Dichte und Massenstrom

Also Published As

Publication number Publication date
WO2002023136A1 (en) 2002-03-21
AU2001288172A1 (en) 2002-03-26

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