GB2020024B - Measurement of acoustic impedance - Google Patents

Measurement of acoustic impedance

Info

Publication number
GB2020024B
GB2020024B GB7909499A GB7909499A GB2020024B GB 2020024 B GB2020024 B GB 2020024B GB 7909499 A GB7909499 A GB 7909499A GB 7909499 A GB7909499 A GB 7909499A GB 2020024 B GB2020024 B GB 2020024B
Authority
GB
United Kingdom
Prior art keywords
measurement
acoustic impedance
impedance
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
GB7909499A
Other versions
GB2020024A (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.)
Plessey Co Ltd
Original Assignee
Plessey Co 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 Plessey Co Ltd filed Critical Plessey Co Ltd
Publication of GB2020024A publication Critical patent/GB2020024A/en
Application granted granted Critical
Publication of GB2020024B publication Critical patent/GB2020024B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H15/00—Measuring mechanical or acoustic impedance
    • 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
    • G01N29/04—Analysing solids
    • G01N29/09—Analysing solids by measuring mechanical or acoustic 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
    • G01N2291/02872—Pressure

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
GB7909499A 1978-04-29 1979-03-19 Measurement of acoustic impedance Expired GB2020024B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1713878 1978-04-29

Publications (2)

Publication Number Publication Date
GB2020024A GB2020024A (en) 1979-11-07
GB2020024B true GB2020024B (en) 1982-11-10

Family

ID=10089964

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7909499A Expired GB2020024B (en) 1978-04-29 1979-03-19 Measurement of acoustic impedance

Country Status (1)

Country Link
GB (1) GB2020024B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4763524A (en) * 1985-04-30 1988-08-16 The United States Of America As Represented By The Secretary Of The Navy Automatic underwater acoustic apparatus
FR2592157B1 (en) * 1985-12-20 1988-02-12 Elf Aquitaine METHOD AND DEVICE FOR MEASURING SPEEDS AND VIBRATORY CONSTRAINTS OF WAVES PROPAGATING IN FORMATIONS SURROUNDING A WELLBORE.

Also Published As

Publication number Publication date
GB2020024A (en) 1979-11-07

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Legal Events

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