GB9801438D0 - Improvements relating to ultrasonic measurements of properties of fluids - Google Patents

Improvements relating to ultrasonic measurements of properties of fluids

Info

Publication number
GB9801438D0
GB9801438D0 GBGB9801438.4A GB9801438A GB9801438D0 GB 9801438 D0 GB9801438 D0 GB 9801438D0 GB 9801438 A GB9801438 A GB 9801438A GB 9801438 D0 GB9801438 D0 GB 9801438D0
Authority
GB
United Kingdom
Prior art keywords
fluids
properties
improvements relating
ultrasonic measurements
ultrasonic
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.)
Granted
Application number
GBGB9801438.4A
Other versions
GB2321705B (en
GB2321705A (en
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.)
Cranfield University
Original Assignee
Cranfield University
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 Cranfield University filed Critical Cranfield University
Publication of GB9801438D0 publication Critical patent/GB9801438D0/en
Publication of GB2321705A publication Critical patent/GB2321705A/en
Application granted granted Critical
Publication of GB2321705B publication Critical patent/GB2321705B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2468—Probes with delay lines
    • 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
    • G01F1/662—Constructional details
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G01N29/032—Analysing fluids by measuring attenuation of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/24—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing the transmission of wave or particle radiation through the material
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/01—Indexing codes associated with the measuring variable
    • G01N2291/018—Impedance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02818—Density, viscosity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02836—Flow rate, liquid level
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/10—Number of transducers
    • G01N2291/102—Number of transducers one emitter, one receiver

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
GB9801438A 1997-01-24 1998-01-26 Improvements relating to ultrasonic measurement of properties of fluids Expired - Fee Related GB2321705B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9701535.8A GB9701535D0 (en) 1997-01-24 1997-01-24 Improvements relating to ultrasonic measurement of properties of fluids

Publications (3)

Publication Number Publication Date
GB9801438D0 true GB9801438D0 (en) 1998-03-18
GB2321705A GB2321705A (en) 1998-08-05
GB2321705B GB2321705B (en) 2000-12-27

Family

ID=10806571

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9701535.8A Pending GB9701535D0 (en) 1997-01-24 1997-01-24 Improvements relating to ultrasonic measurement of properties of fluids
GB9801438A Expired - Fee Related GB2321705B (en) 1997-01-24 1998-01-26 Improvements relating to ultrasonic measurement of properties of fluids

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9701535.8A Pending GB9701535D0 (en) 1997-01-24 1997-01-24 Improvements relating to ultrasonic measurement of properties of fluids

Country Status (1)

Country Link
GB (2) GB9701535D0 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005025671B3 (en) * 2005-06-03 2006-12-21 Siemens Ag Method and device for measuring the specific gravity of a gaseous or liquid medium
GB2481831A (en) * 2010-07-08 2012-01-11 Bios Technologies Llp Ultrasonic material property measurement
GB2507118A (en) * 2012-10-19 2014-04-23 Secure Internat Holdings Pte Ltd Ultrasonic fluid flow metering apparatus
US20220042836A1 (en) 2020-08-07 2022-02-10 Woodward, Inc. Ultrasonic Flow Meter Flow Control
US11668818B2 (en) 2020-08-07 2023-06-06 Woodward, Inc. Ultrasonic position sensor
EP4308888A1 (en) 2021-03-17 2024-01-24 Woodward, Inc. Ultrasonic mass fuel flow meter
WO2023028615A1 (en) * 2021-08-27 2023-03-02 Woodward, Inc. Ultrasonic mass fuel flow meter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4014211A (en) * 1975-10-21 1977-03-29 Mitsubishi Denki Kabushiki Kaisha Ultrasonic flow meter
JPS6018005B2 (en) * 1979-12-16 1985-05-08 株式会社荏原製作所 Ultrasonic flow meter that can automatically switch between transmission measurement mode and reflection measurement mode
SE467552B (en) * 1988-10-31 1992-08-03 Jerker Delsing SETTING AND DEVICE MEASURING THE SUBSTANCE FLOW M OF A FLUIDIUM
GB2279146B (en) * 1993-06-19 1996-07-03 British Aerospace Method and assembly for measuring mass flow or velocity flow of a fluid

Also Published As

Publication number Publication date
GB2321705B (en) 2000-12-27
GB9701535D0 (en) 1997-03-12
GB2321705A (en) 1998-08-05

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Legal Events

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

Effective date: 20070126