NO754183L - - Google Patents

Info

Publication number
NO754183L
NO754183L NO754183A NO754183A NO754183L NO 754183 L NO754183 L NO 754183L NO 754183 A NO754183 A NO 754183A NO 754183 A NO754183 A NO 754183A NO 754183 L NO754183 L NO 754183L
Authority
NO
Norway
Prior art keywords
frequency
signal
quotient
divisor
dividing
Prior art date
Application number
NO754183A
Other languages
English (en)
Norwegian (no)
Inventor
P D Smith
K H Smith
Original Assignee
Detectronic Ltd
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 Detectronic Ltd filed Critical Detectronic Ltd
Publication of NO754183L publication Critical patent/NO754183L/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50—Systems of measurement, based on relative movement of the target
    • G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S15/586—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets
    • 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
    • G01P5/241—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 using reflection of acoustical waves, i.e. Doppler-effect
    • G01P5/242—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 using reflection of acoustical waves, i.e. Doppler-effect involving continuous, e.g. modulated or unmodulated, waves

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measuring Volume Flow (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
NO754183A 1974-12-11 1975-12-10 NO754183L (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB53598/74A GB1528917A (en) 1974-12-11 1974-12-11 Method and apparatus for monitoring the flow of liquid and the like

Publications (1)

Publication Number Publication Date
NO754183L true NO754183L (fr) 1976-06-14

Family

ID=10468370

Family Applications (1)

Application Number Title Priority Date Filing Date
NO754183A NO754183L (fr) 1974-12-11 1975-12-10

Country Status (16)

Country Link
US (1) US4048853A (fr)
AU (1) AU8740375A (fr)
BE (1) BE836473A (fr)
DE (1) DE2556158A1 (fr)
DK (1) DK563575A (fr)
ES (1) ES443423A1 (fr)
FI (1) FI753497A (fr)
FR (1) FR2294447A1 (fr)
GB (1) GB1528917A (fr)
IE (1) IE42188B1 (fr)
IT (1) IT1050081B (fr)
LU (1) LU73966A1 (fr)
NL (1) NL7514423A (fr)
NO (1) NO754183L (fr)
SE (1) SE405420B (fr)
ZA (1) ZA757579B (fr)

Families Citing this family (62)

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US4145925A (en) * 1978-01-09 1979-03-27 Medtronic, Inc. Digital liquid velocity measuring system
US4147059A (en) * 1978-01-09 1979-04-03 Medtronic, Inc. Digital liquid velocity measuring system
US4183245A (en) * 1978-10-23 1980-01-15 Leeds & Northrup Company Synchronous frequency-to-voltage converter for doppler apparatus
US4280365A (en) * 1979-10-10 1981-07-28 Leeds & Northrup Company Ultrasonic Doppler flowmeter with correction for vibratory signals at zero-flow conditions
CH657452A5 (de) * 1982-02-26 1986-08-29 Doltron Ag Vorrichtung zur messung der durchflussmenge und verwendung derselben.
US5777892A (en) * 1992-03-30 1998-07-07 Isco, Inc. Doppler shift velocity measuring system with correction factors
US5463905A (en) * 1993-02-23 1995-11-07 Baird; James D. Portable non-invasive flowmeter for partially filled pipe
GB2291191A (en) * 1994-07-07 1996-01-17 Mark Steven Whiteley Hand held doppler probe
US5421211A (en) * 1994-10-06 1995-06-06 Marsh - Mcbirney, Inc. Liquid flowmeter including doppler signal processing, and method
US7328624B2 (en) * 2002-01-23 2008-02-12 Cidra Corporation Probe for measuring parameters of a flowing fluid and/or multiphase mixture
US7275421B2 (en) * 2002-01-23 2007-10-02 Cidra Corporation Apparatus and method for measuring parameters of a mixture having solid particles suspended in a fluid flowing in a pipe
WO2004044532A2 (fr) * 2002-11-12 2004-05-27 Cidra Corporation Appareil comportant une mosaique de capteurs en couches piezo-electriques pour la mesure de parametres d'un flux de traitement au sein d'une conduite
US7165464B2 (en) * 2002-11-15 2007-01-23 Cidra Corporation Apparatus and method for providing a flow measurement compensated for entrained gas
WO2004048906A2 (fr) * 2002-11-22 2004-06-10 Cidra Corporation Procede d'etalonnage d'un debitmetre volumetrique comprenant un reseau de capteurs
WO2004063741A2 (fr) * 2003-01-13 2004-07-29 Cidra Corporation Appareil pour mesurer des parametres d'un melange multiphase fluide
US7389187B2 (en) * 2003-01-13 2008-06-17 Cidra Corporation Apparatus and method using an array of ultrasonic sensors for determining the velocity of a fluid within a pipe
US20060048583A1 (en) * 2004-08-16 2006-03-09 Gysling Daniel L Total gas meter using speed of sound and velocity measurements
WO2004065912A2 (fr) * 2003-01-21 2004-08-05 Cidra Corporation Appareil et procede de mesure de pressions instables dans un conduit a diametre eleve
US7062976B2 (en) * 2003-01-21 2006-06-20 Cidra Corporation Apparatus and method of measuring gas volume fraction of a fluid flowing within a pipe
WO2004065914A2 (fr) * 2003-01-21 2004-08-05 Cidra Corporation Mesure de gaz entraines et dissous dans des conduits de flux de traitement
US7343818B2 (en) * 2003-01-21 2008-03-18 Cidra Corporation Apparatus and method of measuring gas volume fraction of a fluid flowing within a pipe
US7146864B2 (en) 2003-03-04 2006-12-12 Cidra Corporation Apparatus having a multi-band sensor assembly for measuring a parameter of a fluid flow flowing within a pipe
US7197942B2 (en) * 2003-06-05 2007-04-03 Cidra Corporation Apparatus for measuring velocity and flow rate of a fluid having a non-negligible axial mach number using an array of sensors
WO2005001394A2 (fr) * 2003-06-06 2005-01-06 Cidra Corporation Appareil portatif de mesure du debit comprenant un reseau de capteurs
US7197938B2 (en) * 2003-06-24 2007-04-03 Cidra Corporation Contact-based transducers for characterizing unsteady pressures in pipes
WO2005003713A2 (fr) * 2003-06-24 2005-01-13 Cidra Corporation Transducteurs a contact servant a caracteriser des pressions inegales dans des conduits
WO2005003695A1 (fr) * 2003-06-24 2005-01-13 Cidra Corporation Caracterisation de pressions instables dans des tuyaux a l'aide de dispositifs de mesure optique
CA2530601C (fr) * 2003-06-24 2013-06-04 Daniel L. Gysling Systeme de debitmetres configurables repartis
WO2005054789A1 (fr) * 2003-07-08 2005-06-16 Cidra Corporation Procede et appareil servant a mesurer les caracteristiques d'un ecoulement central-annulaire
US7299705B2 (en) * 2003-07-15 2007-11-27 Cidra Corporation Apparatus and method for augmenting a Coriolis meter
DE602004017739D1 (de) * 2003-07-15 2008-12-24 Expro Meters Inc Apparat und verfahren zur kompensation eines coriolis-durchflussmessers
US7134320B2 (en) * 2003-07-15 2006-11-14 Cidra Corporation Apparatus and method for providing a density measurement augmented for entrained gas
US7127360B2 (en) 2003-07-15 2006-10-24 Cidra Corporation Dual function flow measurement apparatus having an array of sensors
WO2005012844A1 (fr) * 2003-08-01 2005-02-10 Cidra Corporation Procede et appareil de mesure de parametres d'un fluide a haute temperature circulant dans une conduite, utilisant un ensemble de detecteurs piezo-electriques de flux
US7253742B2 (en) 2003-08-01 2007-08-07 Cidra Corporation Method and apparatus for measuring parameters of a fluid flowing within a pipe using a configurable array of sensors
US7882750B2 (en) * 2003-08-01 2011-02-08 Cidra Corporate Services, Inc. Method and apparatus for measuring parameters of a fluid flowing within a pipe using a configurable array of sensors
WO2005015135A2 (fr) * 2003-08-08 2005-02-17 Cidra Corporation Capteur a base de piezo-cable permettant de mesurer des pressions instables a l'interieur d'un tuyau
US7110893B2 (en) * 2003-10-09 2006-09-19 Cidra Corporation Method and apparatus for measuring a parameter of a fluid flowing within a pipe using an array of sensors
US7237440B2 (en) * 2003-10-10 2007-07-03 Cidra Corporation Flow measurement apparatus having strain-based sensors and ultrasonic sensors
US7171315B2 (en) * 2003-11-25 2007-01-30 Cidra Corporation Method and apparatus for measuring a parameter of a fluid flowing within a pipe using sub-array processing
US7152003B2 (en) 2003-12-11 2006-12-19 Cidra Corporation Method and apparatus for determining a quality metric of a measurement of a fluid parameter
US7367239B2 (en) * 2004-03-23 2008-05-06 Cidra Corporation Piezocable based sensor for measuring unsteady pressures inside a pipe
US7426852B1 (en) 2004-04-26 2008-09-23 Expro Meters, Inc. Submersible meter for measuring a parameter of gas hold-up of a fluid
WO2005116637A2 (fr) * 2004-05-17 2005-12-08 Cidra Corporation Appareil et procede pour mesurer les parametres de composition d'un melange
WO2006112878A2 (fr) 2004-09-16 2006-10-26 Cidra Corporation Appareil et procede pour la fourniture d'une mesure de coupure de fluide d'un melange d'une pluralite de liquides a compensation de gaz entraine
US7389687B2 (en) * 2004-11-05 2008-06-24 Cidra Corporation System for measuring a parameter of an aerated multi-phase mixture flowing in a pipe
US7561203B2 (en) * 2005-01-10 2009-07-14 Nokia Corporation User input device
US7440873B2 (en) * 2005-03-17 2008-10-21 Expro Meters, Inc. Apparatus and method of processing data to improve the performance of a flow monitoring system
US7657392B2 (en) * 2005-05-16 2010-02-02 Cidra Corporate Services, Inc. Method and apparatus for detecting and characterizing particles in a multiphase fluid
US7526966B2 (en) * 2005-05-27 2009-05-05 Expro Meters, Inc. Apparatus and method for measuring a parameter of a multiphase flow
CA2609826C (fr) * 2005-05-27 2014-07-29 Cidra Corporation Dispositif et procede pour la mesure de parametre de flux multiphase
US7249525B1 (en) 2005-06-22 2007-07-31 Cidra Corporation Apparatus for measuring parameters of a fluid in a lined pipe
US7603916B2 (en) * 2005-07-07 2009-10-20 Expro Meters, Inc. Wet gas metering using a differential pressure and a sonar based flow meter
ATE526562T1 (de) 2005-07-07 2011-10-15 Cidra Corp Feuchtgasmessung unter verwendung eines differentialdruckbasierten durchflussmeters mit einem sonarbasierten durchflussmeter
WO2007009097A1 (fr) * 2005-07-13 2007-01-18 Cidra Corporation Procede et appareil de mesure de parametres d'un ecoulement de liquide au moyen d'un reseau de capteurs
WO2007136788A2 (fr) * 2006-05-16 2007-11-29 Cidra Corporation Appareil et procédé de détermination d'un paramètre dans un flux de gaz humide
US7624650B2 (en) 2006-07-27 2009-12-01 Expro Meters, Inc. Apparatus and method for attenuating acoustic waves propagating within a pipe wall
US7673526B2 (en) 2006-11-01 2010-03-09 Expro Meters, Inc. Apparatus and method of lensing an ultrasonic beam for an ultrasonic flow meter
NO345532B1 (no) 2006-11-09 2021-03-29 Expro Meters Inc Apparat og fremgangsmåte for måling av en fluidstrømparameter innenfor en intern passasje i et langstrakt legme
US8061186B2 (en) 2008-03-26 2011-11-22 Expro Meters, Inc. System and method for providing a compositional measurement of a mixture having entrained gas
DE102015107567A1 (de) * 2015-05-13 2016-11-17 Endress + Hauser Flowtec Ag Anordnung umfassend einen Ultraschallwandler und Clamp-On Ultraschalldurchflussmessgerät
CN114152775B (zh) * 2021-11-05 2024-01-12 安徽大学 一种基于光学多普勒的深海热液冷泉喷口流速测量仪器及该仪器的使用方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3443433A (en) * 1965-06-28 1969-05-13 Beckman Instruments Inc Flowmeter
US3741014A (en) * 1970-06-25 1973-06-26 Tokyo Keiki Kk Ultrasonic current meter
DE1758104A1 (fr) * 1972-01-10

Also Published As

Publication number Publication date
SE405420B (sv) 1978-12-04
FI753497A (fr) 1976-06-12
IE42188L (en) 1976-06-11
GB1528917A (en) 1978-10-18
ES443423A1 (es) 1977-04-16
IE42188B1 (en) 1980-06-18
IT1050081B (it) 1981-03-10
FR2294447B3 (fr) 1979-09-28
NL7514423A (nl) 1976-06-15
LU73966A1 (fr) 1976-07-01
BE836473A (fr) 1976-04-01
DK563575A (da) 1976-06-12
SE7513957L (sv) 1976-06-14
FR2294447A1 (fr) 1976-07-09
AU8740375A (en) 1977-06-16
DE2556158A1 (de) 1976-06-16
ZA757579B (en) 1976-11-24
US4048853A (en) 1977-09-20

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