DE3174632D1 - Apparatus for indicating variations in acoustic properties on an interface - Google Patents

Apparatus for indicating variations in acoustic properties on an interface

Info

Publication number
DE3174632D1
DE3174632D1 DE8181304680T DE3174632T DE3174632D1 DE 3174632 D1 DE3174632 D1 DE 3174632D1 DE 8181304680 T DE8181304680 T DE 8181304680T DE 3174632 T DE3174632 T DE 3174632T DE 3174632 D1 DE3174632 D1 DE 3174632D1
Authority
DE
Germany
Prior art keywords
interface
acoustic properties
indicating variations
transducer
change
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
DE8181304680T
Other languages
English (en)
Inventor
Michael Harold Brown
Roger Martin
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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
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 UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Application granted granted Critical
Publication of DE3174632D1 publication Critical patent/DE3174632D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296—Acoustic waves
    • G01F23/2966—Acoustic waves making use of acoustical resonance or standing waves
    • G01F23/2967—Acoustic waves making use of acoustical resonance or standing waves for discrete levels
    • 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
    • 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
    • G01N29/30—Arrangements for calibrating or comparing, e.g. with standard objects
    • 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
    • G01N2291/101—Number of transducers one transducer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Electromechanical Clocks (AREA)
  • Circuits Of Receivers In General (AREA)
DE8181304680T 1980-10-20 1981-10-08 Apparatus for indicating variations in acoustic properties on an interface Expired DE3174632D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8033737 1980-10-20

Publications (1)

Publication Number Publication Date
DE3174632D1 true DE3174632D1 (en) 1986-06-19

Family

ID=10516781

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181304680T Expired DE3174632D1 (en) 1980-10-20 1981-10-08 Apparatus for indicating variations in acoustic properties on an interface

Country Status (5)

Country Link
US (1) US4414849A (de)
EP (1) EP0050452B1 (de)
AT (1) ATE19827T1 (de)
DE (1) DE3174632D1 (de)
GB (1) GB8430263D0 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2544499B1 (fr) * 1983-04-12 1986-02-07 Seram Appareillage destine a mesurer la variation de la transmission ultrasonore a une interface
DE3438045C2 (de) * 1983-11-04 1986-12-18 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Anordnung zur Signalübertragung bei Ultraschall-Echolotgeräten
FR2714471B1 (fr) * 1993-12-28 1996-03-15 Inst Francais Du Petrole Dispositif et méthode de détection d'interfaces séparant plusieurs phases par ondes ultrasonores.
FR2734054B1 (fr) * 1995-04-10 1999-06-18 Leak Detection Services Inc Dispositif et procede pour detecter des fuites de vannes par la methode de signature differentielle
DE19736869A1 (de) * 1997-08-25 1999-03-04 Heuft Systemtechnik Gmbh Verfahren zur Prüfung von Behältern mit Verschlüssen
US6763698B2 (en) 2002-03-15 2004-07-20 Battelle Memorial Institute Self calibrating system and technique for ultrasonic determination of fluid properties
US7395711B2 (en) * 2002-05-06 2008-07-08 Battelle Memorial Institute System and technique for characterizing fluids using ultrasonic diffraction grating spectroscopy
GB2509914A (en) * 2013-01-16 2014-07-23 Cygnus Instr Ltd Device for detecting flooding of a hollow structure
CN105606181B (zh) * 2016-03-14 2017-03-29 陕西师范大学 一种超声检测充油瓷套内油位的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1300172A (fr) * 1961-05-31 1962-08-03 Procédé de mesure et de détection de niveau par dispositif ultrasonore
US3427867A (en) * 1965-11-22 1969-02-18 Automation Ind Inc Ultrasonic attenuation meter
US3603149A (en) * 1969-09-03 1971-09-07 Us Army Ultrasonic liquid level indicator
US4203324A (en) * 1977-08-05 1980-05-20 Joseph Baumoel Sonic liquid level detector
US4144517A (en) * 1977-08-05 1979-03-13 Joseph Baumoel Single transducer liquid level detector
US4320659A (en) * 1978-02-27 1982-03-23 Panametrics, Inc. Ultrasonic system for measuring fluid impedance or liquid level
GB2027886B (en) * 1978-08-14 1983-02-02 Solartron Electronic Group Transducer for sensing a parameter of a fluid
US4316183A (en) * 1980-10-24 1982-02-16 Bestobell Mobrey Limited Liquid level sensor

Also Published As

Publication number Publication date
EP0050452A3 (en) 1982-09-22
EP0050452B1 (de) 1986-05-14
ATE19827T1 (de) 1986-05-15
EP0050452A2 (de) 1982-04-28
US4414849A (en) 1983-11-15
GB8430263D0 (en) 1985-01-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee