GB1533845A - Measurement of fluid flow - Google Patents

Measurement of fluid flow

Info

Publication number
GB1533845A
GB1533845A GB5049474A GB5049474A GB1533845A GB 1533845 A GB1533845 A GB 1533845A GB 5049474 A GB5049474 A GB 5049474A GB 5049474 A GB5049474 A GB 5049474A GB 1533845 A GB1533845 A GB 1533845A
Authority
GB
United Kingdom
Prior art keywords
fluid
pipe
axis
path
acoustic
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB5049474A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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 National Research Development Corp UK filed Critical National Research Development Corp UK
Priority to GB5049474A priority Critical patent/GB1533845A/en
Priority to US05/633,392 priority patent/US4078428A/en
Priority to JP50140105A priority patent/JPS5174661A/en
Priority to DE19752552072 priority patent/DE2552072A1/en
Publication of GB1533845A publication Critical patent/GB1533845A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01P5/245—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 measuring transit time of acoustical waves
    • 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
    • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters

Abstract

1533845 Fluid flowmeters NATIONAL RESEARCH DEVELOPMENT CORP 17 Nov 1975 [21 Nov 1974 8 April 1975] 50494/74 and 14366/75 Heading G1G A fluid flowmeter for use in conjunction with a circular pipe comprises an acoustic transmitter/receiver system defining two separate acoustic paths each path lying in a plane parallel to but separated from the pipe axis by a distance within the range 0À50R to 0À523R one path having an upstream component the other path having a downstream component, the system being adapted to compare the phases of signals sent along the respective paths 6, 7 and to indicate the mean fluid-flow velocity taking into account the flow velocity profile within the pipe As described, transmitter/receiver pairs T 1 R 1 , T 2 R 2 are in planes parallel to but offset from the axis either on opposite sides of the axis as shown or on the same side Figs. 6 and 7 (not shown). The transmission directions of the two pairs provide for compensation of the swirl S and the distance h is substantially R/2 when, according to a mathematical analysis; the flowmeter indications are independent of velocity flow profile. Fractional phase meter 13 may be used to obtain the phase difference of signals transmitted simultaneously or with known phase difference. The mass flow-rate of a fluid may be measured by incorporating a pressure sensor 15 and if the fluid is a gas a knowledge of the specific heat ratio is required. The transducer may be sealed into the pipe with passages 4 communicating with the fluid or may be mounted on or outside the walls of the pipe (not shown). The acoustic system may be ultrasonic.
GB5049474A 1974-11-21 1974-11-21 Measurement of fluid flow Expired GB1533845A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB5049474A GB1533845A (en) 1974-11-21 1974-11-21 Measurement of fluid flow
US05/633,392 US4078428A (en) 1974-11-21 1975-11-19 Measurement of fluid flow
JP50140105A JPS5174661A (en) 1974-11-21 1975-11-20 Ryuryosokuteisochi
DE19752552072 DE2552072A1 (en) 1974-11-21 1975-11-20 DEVICE FOR MEASURING THE MEDIUM FLOW IN AN AXIS-SYMMETRIC PIPE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5049474A GB1533845A (en) 1974-11-21 1974-11-21 Measurement of fluid flow

Publications (1)

Publication Number Publication Date
GB1533845A true GB1533845A (en) 1978-11-29

Family

ID=10456107

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5049474A Expired GB1533845A (en) 1974-11-21 1974-11-21 Measurement of fluid flow

Country Status (1)

Country Link
GB (1) GB1533845A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2135457A (en) * 1983-02-11 1984-08-30 British Steel Corp Improvements in or relating to apparatus for flow measurement
DE3317588A1 (en) * 1981-11-24 1984-11-15 Gründer & Hötten GmbH, 4300 Essen Circuit arrangement for measuring the velocity of flowing media
CN105548602A (en) * 2015-12-13 2016-05-04 复旦大学 Method of using associated diffusion between particles to measure shear flow or vortex flow in interface fluid system
EP3798582A1 (en) * 2019-09-30 2021-03-31 Honeywell International Inc. Ultrasonic flowmeter and fluid pipeline

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3317588A1 (en) * 1981-11-24 1984-11-15 Gründer & Hötten GmbH, 4300 Essen Circuit arrangement for measuring the velocity of flowing media
GB2135457A (en) * 1983-02-11 1984-08-30 British Steel Corp Improvements in or relating to apparatus for flow measurement
CN105548602A (en) * 2015-12-13 2016-05-04 复旦大学 Method of using associated diffusion between particles to measure shear flow or vortex flow in interface fluid system
CN105548602B (en) * 2015-12-13 2019-01-29 复旦大学 Using between particle be associated with propagation measurement interface fluid system in the method for shear flow or vortex flow
EP3798582A1 (en) * 2019-09-30 2021-03-31 Honeywell International Inc. Ultrasonic flowmeter and fluid pipeline

Similar Documents

Publication Publication Date Title
US3564912A (en) Fluid flow measurement system
US4452090A (en) Ultrasonic flowmeter
US4317178A (en) Multiple velocity traverse flow rate measuring technique
US4078428A (en) Measurement of fluid flow
GB1503852A (en) Fluid flow measurement system for pipes
US3555899A (en) Ultrasonic flow quantity measuring system
GB1151568A (en) Proving and Calibrating a Gas Flow Meter
US3788140A (en) Electroacoustical flow metering apparatus
US3188862A (en) Flowmeters
GB1277597A (en) Improvements in and relating to electrical measuring probes and devices with such probes
GB1533845A (en) Measurement of fluid flow
GB855650A (en) Improvements in or relating to flowmeters
US4528857A (en) Phase modulation, ultrasonic flowmeter
US3349614A (en) Speed measuring devices
CN103674146A (en) Mass flow meter based on ultrasonic flow meter
US3097526A (en) fischbacher
FI76885B (en) Acoustic flow metering process and device
JPH02107924A (en) Two-phase flow ultrasonic type flow rate measuring method and apparatus
Stallworth A new method for measuring ocean and tidal currents
Chande et al. Ultrasonic flow velocity sensor based on picosecond timing system
Swengel et al. The ultrasonic measurement of hydraulic turbine discharge
CA2506399A1 (en) An apparatus and method for providing a flow measurement compensated for entrained gas
SU1141294A1 (en) Ultrasonic phase flowmeter
JPH0456246B2 (en)
JPH01134213A (en) Flowmeter

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee