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)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (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 (nl)

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 (nl) 1976-06-14

Family

ID=10468370

Family Applications (1)

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

Country Status (16)

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

Families Citing this family (62)

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US4147059A (en) * 1978-01-09 1979-04-03 Medtronic, Inc. Digital liquid velocity measuring system
US4145925A (en) * 1978-01-09 1979-03-27 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
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
US7328624B2 (en) * 2002-01-23 2008-02-12 Cidra Corporation Probe for measuring parameters of a flowing fluid and/or multiphase mixture
EP1576342A2 (en) * 2002-11-12 2005-09-21 CiDra Corporation An apparatus having an array of clamp on piezoelectric film sensors for measuring parameters of a process flow within a pipe
US7165464B2 (en) * 2002-11-15 2007-01-23 Cidra Corporation Apparatus and method for providing a flow measurement compensated for entrained gas
AU2003295992A1 (en) * 2002-11-22 2004-06-18 Cidra Corporation Method for calibrating a flow meter having an array of sensors
ATE480753T1 (de) * 2003-01-13 2010-09-15 Expro Meters Inc Apparat und verfahren zur bestimmung der geschwindigkeit eines fluids in einer leitung unter verwendung von ultraschallsensoren
US7096719B2 (en) * 2003-01-13 2006-08-29 Cidra Corporation Apparatus for measuring parameters of a flowing multiphase mixture
WO2004065914A2 (en) * 2003-01-21 2004-08-05 Cidra Corporation Measurement of entrained and dissolved gases in process flow lines
DE602004017571D1 (de) * 2003-01-21 2008-12-18 Expro Meters Inc Vorrichtung und verfahren zur messung der gasvolumenfraktion eines in einem rohr strömenden fluids
WO2004065912A2 (en) * 2003-01-21 2004-08-05 Cidra Corporation Apparatus and method for measuring unsteady pressures within a large diameter pipe
US20060048583A1 (en) * 2004-08-16 2006-03-09 Gysling Daniel L Total gas meter using speed of sound and velocity measurements
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
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
US7121152B2 (en) * 2003-06-06 2006-10-17 Cidra Corporation Portable flow measurement apparatus having an array of sensors
US7245385B2 (en) * 2003-06-24 2007-07-17 Cidra Corporation Characterizing unsteady pressures in pipes using optical measurement devices
US7197938B2 (en) * 2003-06-24 2007-04-03 Cidra Corporation Contact-based transducers for characterizing unsteady pressures in pipes
WO2005003713A2 (en) * 2003-06-24 2005-01-13 Cidra Corporation Contact-based transducers for characterizing unsteady pressures in pipes
EP1644705B1 (en) * 2003-06-24 2016-10-12 Cidra Corporate Services, Inc. System and method for operating a flow process
WO2005054789A1 (en) * 2003-07-08 2005-06-16 Cidra Corporation Method and apparatus for measuring characteristics of core-annular flow
US7127360B2 (en) 2003-07-15 2006-10-24 Cidra Corporation Dual function flow measurement apparatus having an array of sensors
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
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
WO2005012844A1 (en) * 2003-08-01 2005-02-10 Cidra Corporation Method and apparatus for measuring a parameter of a high temperature fluid flowing within a pipe using an array of piezoelectric based flow sensors
WO2005012843A2 (en) 2003-08-01 2005-02-10 Cidra Corporation Method and apparatus for measuring parameters of a fluid flowing within a pipe using a configurable array of sensors
WO2005015135A2 (en) * 2003-08-08 2005-02-17 Cidra Corporation Piezocable based sensor for measuring unsteady pressures inside a pipe
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
ATE528623T1 (de) * 2004-05-17 2011-10-15 Expro Meters Inc Vorrichtung und verfahren zum messen der zusammensetzung einer in einem rohr fliessenden mischung
US7380438B2 (en) 2004-09-16 2008-06-03 Cidra Corporation Apparatus and method for providing a fluid cut measurement of a multi-liquid mixture compensated for entrained gas
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
WO2010120258A2 (en) * 2005-03-17 2010-10-21 Cidra Corporation An apparatus and method of processing data to improve the performance of a flow monitoring system
CA2912218C (en) * 2005-05-16 2018-02-27 Expro Meters, Inc. Method and apparatus for detecting and characterizing particles in a multiphase fluid
CA2609826C (en) * 2005-05-27 2014-07-29 Cidra Corporation An apparatus and method for measuring a parameter of a multiphase flow
US7526966B2 (en) * 2005-05-27 2009-05-05 Expro Meters, Inc. Apparatus and method for measuring a parameter of a multiphase flow
US7249525B1 (en) 2005-06-22 2007-07-31 Cidra Corporation Apparatus for measuring parameters of a fluid in a lined pipe
AU2006268266B2 (en) 2005-07-07 2011-12-08 Expro Meters, Inc. Wet gas metering using a differential pressure based flow meter with a sonar based flow meter
US7603916B2 (en) * 2005-07-07 2009-10-20 Expro Meters, Inc. Wet gas metering using a differential pressure and a sonar based flow meter
US7503227B2 (en) * 2005-07-13 2009-03-17 Cidra Corporate Services, Inc Method and apparatus for measuring parameters of a fluid flow using an array of sensors
US7454981B2 (en) * 2006-05-16 2008-11-25 Expro Meters. Inc. Apparatus and method for determining a parameter in a wet gas flow
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
US7752918B2 (en) 2006-11-09 2010-07-13 Expro Meters, Inc. Apparatus and method for measuring a fluid flow parameter within an internal passage of an elongated body
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 (nl) * 1972-01-10

Also Published As

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

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