GB1495536A - Ultrasonic detection apparatus - Google Patents
Ultrasonic detection apparatusInfo
- Publication number
- GB1495536A GB1495536A GB55424/74A GB5542474A GB1495536A GB 1495536 A GB1495536 A GB 1495536A GB 55424/74 A GB55424/74 A GB 55424/74A GB 5542474 A GB5542474 A GB 5542474A GB 1495536 A GB1495536 A GB 1495536A
- Authority
- GB
- United Kingdom
- Prior art keywords
- reflector
- tubular part
- transducer
- axis
- angle
- 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
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
- G01N29/221—Arrangements for directing or focusing the acoustical waves
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/20—Reflecting arrangements
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
1495536 Ultrasound reflectors COMMISSARIAT A L'ENERGIE ATOMIQUE 23 Dec 1974 [26 Dec 1973] 55424/74 Heading H4X A tubular part having a cylindrical surface of radius R is tested for flaws using a reflector which reflects ultrasonic waves, produced by a transducer and beamed parallel to the axis OZ of the tubular part, on to the tubular part at a constant angle of incidence such that lamb waves are launched in the surface of the tubular part. The intersections of the wave front with the cylindrical surface define a helix of uniform pitch 2#<SP>R</SP> tan# measured along the axis OZ, the angle # being the angle between the tangent to the helix and the plane at right angles to the axis OZ, the reflector having a reflecting surface which is a portion of the surface which has the equation expressed in polar co-ordinates (p, #) of axis OZ the angles α and j being related to the angles i and # by the relationships tan j = tan i cos # and cos 2α = t sin i sin #. In a modification the reflecting surface of the reflector is a portion of the surface which has the equation expressed in polar co-ordinates of axis OZ: the angle # being zero and the angle α being 45 degrees whereby the reflected beam is incident on the surface on spaced parallel circles which are transverse cross-sections of the tubular part. Fig. 6 shows a practical embodiment of a reflector M inside a tube 68 to be flaw tested and which reflects a beam of ultrasonic waves emitted by a transducer 66. Fig. 7 shows an external reflector for flaw testing a right circular cylinder 201. A common transducer may be used as emitter and receiver. Where the reflector and transducer are located inside the tubular part to be tested such part is preferably filled with a couplant liquid, e.g. water. Where the reflector and transducer are located outside the tabular part to be tested the complete assembly is preferably immersed in a couplant liquid.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7346384A FR2256617B1 (en) | 1973-12-26 | 1973-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1495536A true GB1495536A (en) | 1977-12-21 |
Family
ID=9129708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB55424/74A Expired GB1495536A (en) | 1973-12-26 | 1974-12-23 | Ultrasonic detection apparatus |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3916675A (en) |
| JP (1) | JPS5843693B2 (en) |
| BE (1) | BE823664A (en) |
| CA (1) | CA1009359A (en) |
| DE (1) | DE2461590C2 (en) |
| FR (1) | FR2256617B1 (en) |
| GB (1) | GB1495536A (en) |
| IT (1) | IT1027183B (en) |
| LU (1) | LU71543A1 (en) |
| NL (1) | NL7416832A (en) |
| PL (1) | PL104062B1 (en) |
| SE (2) | SE404845B (en) |
| SU (2) | SU740163A3 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989000799A1 (en) * | 1987-07-21 | 1989-01-26 | Hughes Aircraft Company | Loudspeaker system with wide dispersion baffle |
| US5784468A (en) * | 1996-10-07 | 1998-07-21 | Srs Labs, Inc. | Spatial enhancement speaker systems and methods for spatially enhanced sound reproduction |
| CN110441390A (en) * | 2019-07-18 | 2019-11-12 | 上海大学 | It is a kind of based on cross battle array and space-wavenumber filter damage positioning method |
| WO2022233925A1 (en) * | 2021-05-05 | 2022-11-10 | NDT Global Corporate Ltd. | Method and device for checking the wall of a pipeline for flaws |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2337589A1 (en) * | 1976-01-06 | 1977-08-05 | Commissariat Energie Atomique | WAVES EXCITATION DEVICE ESPECIALLY ULTRA-SOUND WAVES INCLUDING A LENS |
| FR2359420A1 (en) * | 1976-07-21 | 1978-02-17 | Commissariat Energie Atomique | DEVICE FOR TUBE TESTING BY ULTRASONICS INCLUDING MEANS FOR INTRODUCING AN ACOUSTIC COUPLING LIQUID |
| US4195530A (en) * | 1978-08-14 | 1980-04-01 | Republic Steel Corporation | Ultrasonic inspection |
| USRE30926F1 (en) * | 1978-08-14 | 1984-09-18 | Ultrasonic inspection | |
| DE3003349A1 (en) * | 1980-01-31 | 1981-08-06 | Ruhrchemie Ag, 4200 Oberhausen | METHOD FOR DETECTING MATERIAL ERRORS IN HOLLOW BODIES |
| DE3050285C2 (en) * | 1980-03-03 | 1987-03-12 | Republic Steel Corp | Device for the ultrasonic testing of a cylindrical object |
| JPS6026637U (en) * | 1983-07-29 | 1985-02-22 | アルパイン株式会社 | tape recorder |
| JPS6040022U (en) * | 1983-08-20 | 1985-03-20 | 日本ビクター株式会社 | dubbing equipment |
| JPS6044220U (en) * | 1983-08-31 | 1985-03-28 | 三洋電機株式会社 | Tape recorder control circuit |
| JPS6070922U (en) * | 1983-10-19 | 1985-05-20 | シャープ株式会社 | Dubbing device in magnetic recording/reproducing machine |
| JPS60124030A (en) * | 1983-12-08 | 1985-07-02 | Pioneer Electronic Corp | Double deck |
| DE4421847C2 (en) * | 1994-06-23 | 1996-06-27 | Fraunhofer Ges Forschung | Device for measuring irregularities in the inner walls of containers with ultrasound |
| DE10034474C1 (en) * | 2000-07-15 | 2001-10-11 | Flexim Flexible Industriemeste | Liquid or gas characteristics measuring method using ultrasound has conical wavefront directed through pipe with detection of waves after propagation through the liquid or gas |
| US7410464B2 (en) * | 2002-06-04 | 2008-08-12 | Moshe Ein-Gal | Wave generating device |
| CN112702669B (en) * | 2020-12-21 | 2023-04-07 | 西安讯飞超脑信息科技有限公司 | Sound pickup apparatus, method, apparatus, system, and storage medium |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU142467A1 (en) * | 1961-01-16 | 1961-11-30 | Я.Ф. Аникеев | Ultrasonic Immersion Flaw Detector |
| CH468009A (en) * | 1963-09-10 | 1969-01-31 | Kredit Und Anlage Ag | Device for ultrasonic material testing of bodies with curved surfaces |
-
1973
- 1973-12-26 FR FR7346384A patent/FR2256617B1/fr not_active Expired
- 1973-12-26 SU SU732532304A patent/SU740163A3/en active
-
1974
- 1974-12-20 BE BE151768A patent/BE823664A/en unknown
- 1974-12-20 LU LU71543A patent/LU71543A1/xx unknown
- 1974-12-23 SE SE7416268A patent/SE404845B/en unknown
- 1974-12-23 GB GB55424/74A patent/GB1495536A/en not_active Expired
- 1974-12-23 US US535703A patent/US3916675A/en not_active Expired - Lifetime
- 1974-12-24 CA CA216,944A patent/CA1009359A/en not_active Expired
- 1974-12-24 NL NL7416832A patent/NL7416832A/en not_active Application Discontinuation
- 1974-12-24 PL PL1974176826A patent/PL104062B1/en unknown
- 1974-12-25 SU SU742094237A patent/SU660606A3/en active
- 1974-12-26 JP JP752049A patent/JPS5843693B2/en not_active Expired
- 1974-12-27 DE DE2461590A patent/DE2461590C2/en not_active Expired
- 1974-12-27 IT IT70760/74A patent/IT1027183B/en active
-
1978
- 1978-06-21 SE SE7807113A patent/SE7807113L/en unknown
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989000799A1 (en) * | 1987-07-21 | 1989-01-26 | Hughes Aircraft Company | Loudspeaker system with wide dispersion baffle |
| US4836329A (en) * | 1987-07-21 | 1989-06-06 | Hughes Aircraft Company | Loudspeaker system with wide dispersion baffle |
| US5784468A (en) * | 1996-10-07 | 1998-07-21 | Srs Labs, Inc. | Spatial enhancement speaker systems and methods for spatially enhanced sound reproduction |
| CN110441390A (en) * | 2019-07-18 | 2019-11-12 | 上海大学 | It is a kind of based on cross battle array and space-wavenumber filter damage positioning method |
| CN110441390B (en) * | 2019-07-18 | 2021-12-07 | 上海大学 | Damage positioning method based on cross array and space-wave number filter |
| WO2022233925A1 (en) * | 2021-05-05 | 2022-11-10 | NDT Global Corporate Ltd. | Method and device for checking the wall of a pipeline for flaws |
Also Published As
| Publication number | Publication date |
|---|---|
| SE404845B (en) | 1978-10-30 |
| NL7416832A (en) | 1975-06-30 |
| US3916675A (en) | 1975-11-04 |
| CA1009359A (en) | 1977-04-26 |
| LU71543A1 (en) | 1975-06-17 |
| DE2461590C2 (en) | 1986-08-21 |
| DE2461590A1 (en) | 1975-07-10 |
| PL104062B1 (en) | 1979-07-31 |
| BE823664A (en) | 1975-04-16 |
| SE7416268L (en) | 1975-06-27 |
| IT1027183B (en) | 1978-11-20 |
| SU660606A3 (en) | 1979-04-30 |
| SE7807113L (en) | 1978-06-21 |
| JPS51135589A (en) | 1976-11-24 |
| SU740163A3 (en) | 1980-06-05 |
| JPS5843693B2 (en) | 1983-09-28 |
| FR2256617A1 (en) | 1975-07-25 |
| FR2256617B1 (en) | 1980-03-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |