WO2010057480A3 - Method and device for measuring fluid flow - Google Patents

Method and device for measuring fluid flow Download PDF

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Publication number
WO2010057480A3
WO2010057480A3 PCT/DE2009/001642 DE2009001642W WO2010057480A3 WO 2010057480 A3 WO2010057480 A3 WO 2010057480A3 DE 2009001642 W DE2009001642 W DE 2009001642W WO 2010057480 A3 WO2010057480 A3 WO 2010057480A3
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
cross
fluid flow
flow
considering
Prior art date
Application number
PCT/DE2009/001642
Other languages
German (de)
French (fr)
Other versions
WO2010057480A2 (en
WO2010057480A9 (en
Inventor
Udo Steppe
Andreas Dahlke
Michael Teufel
Original Assignee
Nivus Gmbh
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 Nivus Gmbh filed Critical Nivus Gmbh
Priority to DE112009003438T priority Critical patent/DE112009003438A5/en
Publication of WO2010057480A2 publication Critical patent/WO2010057480A2/en
Publication of WO2010057480A3 publication Critical patent/WO2010057480A3/en
Publication of WO2010057480A9 publication Critical patent/WO2010057480A9/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
    • G01F1/002—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow wherein the flow is in an open channel
    • 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
    • G01F1/663—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 by measuring Doppler frequency shift
    • 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
    • G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
    • G01F1/708—Measuring the time taken to traverse a fixed distance
    • G01F1/7082—Measuring the time taken to traverse a fixed distance using acoustic detecting arrangements
    • 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
    • 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
    • G01S15/582—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of interrupted pulse-modulated waves and based upon the Doppler effect resulting from movement of targets
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/521—Constructional features
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • 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
    • G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
    • G01F1/708—Measuring the time taken to traverse a fixed distance
    • G01F1/712—Measuring the time taken to traverse a fixed distance using auto-correlation or cross-correlation detection means

Abstract

The invention relates to a method for determining fluid flows, wherein ultrasonic impulses are radiated into the fluid in alternating directions by means of an ultrasonic phase array, and impulse responses from different directions are analyzed for determining a fluid flow. The total flow through the cross section of the fluid bed guiding the fluid is thereby determined by means of cross-correlation from the ultrasonic impulses from flow speeds for given volumes present in different directions, considering said cross section and considering the fluid bed walls and/or the presence or absence of sediments.
PCT/DE2009/001642 2008-11-20 2009-11-20 Method and device for measuring fluid flow WO2010057480A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112009003438T DE112009003438A5 (en) 2008-11-20 2009-11-20 Method and apparatus for fluid flow measurement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008058376.6 2008-11-20
DE102008058376A DE102008058376A1 (en) 2008-11-20 2008-11-20 Method and apparatus for fluid flow measurement

Publications (3)

Publication Number Publication Date
WO2010057480A2 WO2010057480A2 (en) 2010-05-27
WO2010057480A3 true WO2010057480A3 (en) 2010-07-15
WO2010057480A9 WO2010057480A9 (en) 2011-01-13

Family

ID=42041520

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2009/001642 WO2010057480A2 (en) 2008-11-20 2009-11-20 Method and device for measuring fluid flow

Country Status (2)

Country Link
DE (2) DE102008058376A1 (en)
WO (1) WO2010057480A2 (en)

Families Citing this family (11)

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US9453853B2 (en) 2011-08-09 2016-09-27 Hach Company Target set processing in a fluid flow velocity instrument to reduce noise
DE102015106695A1 (en) 2015-04-29 2016-11-03 Manuel Haide Method and device for flow measurement
US10161770B2 (en) 2016-06-30 2018-12-25 Ott Hydromet Gmbh Flow meter with adaptable beam characteristics
US10408648B2 (en) 2016-06-30 2019-09-10 Hach Company Flow meter with adaptable beam characteristics
US10295385B2 (en) 2016-06-30 2019-05-21 Hach Company Flow meter with adaptable beam characteristics
CN106323387A (en) * 2016-08-05 2017-01-11 山东大学 Multifunctional measuring device and method for quickly measuring flow rate of discharge cross section
DE102018006084B3 (en) 2018-08-02 2020-01-30 Nivus Gmbh Measuring method and measuring arrangement for measuring the particle size distribution and particle concentration in a liquid-flow line
CN112362120A (en) * 2020-11-12 2021-02-12 中北大学 Flow rate detector and flow rate detection method
DE102021118821A1 (en) 2021-07-21 2023-01-26 Krohne Messtechnik Gmbh Ultrasonic flow meter and method for operating an ultrasonic flow meter
CN113701830B (en) * 2021-08-31 2023-05-30 武汉新烽光电股份有限公司 Drainage pipe network flow measuring device and method
CN116576926B (en) * 2023-07-13 2023-10-13 陕西瀚泰水利水电勘测设计有限公司 Irrigation last-stage channel flow measuring device

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GB2363455A (en) * 2000-06-12 2001-12-19 Schlumberger Holdings Ultrasonic flowmeter
DE10134264A1 (en) * 2001-07-18 2003-02-06 Nivus Gmbh Measurement arrangement for measuring flowrates of fluid flows that have varying heights, whereby the device is designed to float at a constant angle on the fluid surface so that measurement sensors maintain a fixed angle

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Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010974A1 (en) * 1978-11-06 1980-05-14 General Electric Company Velocity measuring correlation sonar apparatus
US4760743A (en) * 1985-07-02 1988-08-02 The United States Of America As Represented By The Secretary Of Commerce Acoustic scintillation liquid flow measurement
DE4027030A1 (en) * 1990-08-27 1992-03-05 Honeywell Regelsysteme Gmbh Measuring speed of flow by ultrasonic echo signals - using defined time window in reflex method for base and surface echoes for correlative evaluation
US5311781A (en) * 1990-10-09 1994-05-17 Advanced Instrumentation Inc. Flowmeter for object-bearing liquids
EP0537735A2 (en) * 1991-10-18 1993-04-21 ORE INTERNATIONAL Inc. Method and apparatus for measuring flow by using phase advance
DE4443483A1 (en) * 1994-12-07 1996-06-13 Hydronic Ges Fuer Mestechnik M Fluid flow measurement method for open channel, chute or partially filled tube
GB2363455A (en) * 2000-06-12 2001-12-19 Schlumberger Holdings Ultrasonic flowmeter
DE10134264A1 (en) * 2001-07-18 2003-02-06 Nivus Gmbh Measurement arrangement for measuring flowrates of fluid flows that have varying heights, whereby the device is designed to float at a constant angle on the fluid surface so that measurement sensors maintain a fixed angle

Also Published As

Publication number Publication date
WO2010057480A2 (en) 2010-05-27
DE102008058376A1 (en) 2010-06-02
DE112009003438A5 (en) 2012-07-19
WO2010057480A9 (en) 2011-01-13

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