NO20003461L - V¶skemåler - Google Patents

V¶skemåler

Info

Publication number
NO20003461L
NO20003461L NO20003461A NO20003461A NO20003461L NO 20003461 L NO20003461 L NO 20003461L NO 20003461 A NO20003461 A NO 20003461A NO 20003461 A NO20003461 A NO 20003461A NO 20003461 L NO20003461 L NO 20003461L
Authority
NO
Norway
Prior art keywords
liquid
frequency
flow rate
vortices
amplitude
Prior art date
Application number
NO20003461A
Other languages
Norwegian (no)
Other versions
NO20003461D0 (en
Inventor
Axel Koenig
Sveinung Saegrov
Arve Berg
Tor Kollstad
Geir Tesaker
Original Assignee
Njord As
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 Njord As filed Critical Njord As
Priority to NO20003461A priority Critical patent/NO20003461L/en
Publication of NO20003461D0 publication Critical patent/NO20003461D0/en
Priority to AU2001290355A priority patent/AU2001290355A1/en
Priority to PCT/NO2001/000286 priority patent/WO2002008698A1/en
Publication of NO20003461L publication Critical patent/NO20003461L/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
    • G01F1/05—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 using mechanical effects
    • G01F1/20—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 using mechanical effects by detection of dynamic effects of the flow
    • G01F1/32—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 using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters
    • G01F1/3209—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 using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters using Karman vortices
    • 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
    • G01F1/05—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 using mechanical effects
    • G01F1/20—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 using mechanical effects by detection of dynamic effects of the flow
    • G01F1/32—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 using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters
    • G01F1/325—Means for detecting quantities used as proxy variables for swirl
    • G01F1/3259—Means for detecting quantities used as proxy variables for swirl for detecting fluid pressure oscillations
    • G01F1/3266—Means for detecting quantities used as proxy variables for swirl for detecting fluid pressure oscillations by sensing mechanical vibrations

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)

Abstract

Framgangsmåte for måling av strømningshastighet i ei væske under anvendelse av et legeme som befinner seg faststående i væskestrømmen, med virvler som blir avløst etter hverandre, i en frekvens som er avhengig av væskens strømningshastighet. Det gjennomføres følgende trinn: a) virvlene blir ført langsmed en elektro-mekanisk omformer (8) som følger etter det nevnte legemet (2) i væska sin strømningsretning, for dannelse av elektriske signaler som tilsvarer virvlenes frekvens og/eller deres intensitet, b) de utvunne signalene blir analysert med hensyn på frekvens og/eller amplityde for å gi analyseverdier for frekvensen og/eller amplityden i signalene, samt c) de fastlagte analyseverdiene av signalene blir sammenlignet med forutbestemte sammenligningsverdier for frekvens og/eller amplityde, som hver er tilknyttet en bestemt strømningshastighet for væska, for å gi måleverdier for væska sin strømningshastighet.Method for measuring flow rate in a liquid using a body which is fixed in the liquid flow, with vortices being replaced one after the other, at a frequency which depends on the flow rate of the liquid. The following steps are performed: a) the vortices are passed along an electro-mechanical converter (8) which follows the said body (2) in the direction of flow of the liquid, to form electrical signals corresponding to the frequency of the vortices and / or their intensity, b) the recovered signals are analyzed with respect to frequency and / or amplitude to give analysis values for the frequency and / or amplitude of the signals, and c) the determined analysis values of the signals are compared with predetermined comparison values for frequency and / or amplitude, each associated a certain flow rate for the liquid, to give measured values for the liquid's flow rate.

NO20003461A 2000-07-05 2000-07-05 V¶skemåler NO20003461L (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NO20003461A NO20003461L (en) 2000-07-05 2000-07-05 V¶skemåler
AU2001290355A AU2001290355A1 (en) 2000-07-05 2001-07-05 A method and device utilizing vortices for fluid measurement
PCT/NO2001/000286 WO2002008698A1 (en) 2000-07-05 2001-07-05 A method and device utilizing vortices for fluid measurement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO20003461A NO20003461L (en) 2000-07-05 2000-07-05 V¶skemåler

Publications (2)

Publication Number Publication Date
NO20003461D0 NO20003461D0 (en) 2000-07-05
NO20003461L true NO20003461L (en) 2002-01-07

Family

ID=19911349

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20003461A NO20003461L (en) 2000-07-05 2000-07-05 V¶skemåler

Country Status (3)

Country Link
AU (1) AU2001290355A1 (en)
NO (1) NO20003461L (en)
WO (1) WO2002008698A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013079043A1 (en) * 2011-11-28 2013-06-06 SIKA Dr. Siebert & Kühn GmbH & Co. KG Flow meter for sanitary fittings
NO347674B1 (en) * 2022-05-02 2024-02-19 Ophion As Liquid velocity meter for installation in pipes
NO20231219A1 (en) * 2023-11-10 2023-11-03 Ophion As Væskehastighetsmåler omfattende sensorflagg med sirkelsegmentformet overgangsparti for montering i rør

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2706608B1 (en) * 1993-06-11 1995-08-18 Schlumberger Ind Sa Signal measurement system of a fluidic oscillator.
DE4441129A1 (en) * 1994-11-21 1996-05-23 Junkalor Gmbh Transducer for a vortex flow meter
JPH0989613A (en) * 1995-09-25 1997-04-04 Smc Corp Flow detection switch
DE19620655C2 (en) * 1996-05-22 1998-07-23 Kem Kueppers Elektromech Gmbh Transducer for a vortex flow meter

Also Published As

Publication number Publication date
WO2002008698A1 (en) 2002-01-31
NO20003461D0 (en) 2000-07-05
AU2001290355A1 (en) 2002-02-05

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application