JPS6412335B2 - - Google Patents
Info
- Publication number
- JPS6412335B2 JPS6412335B2 JP57195810A JP19581082A JPS6412335B2 JP S6412335 B2 JPS6412335 B2 JP S6412335B2 JP 57195810 A JP57195810 A JP 57195810A JP 19581082 A JP19581082 A JP 19581082A JP S6412335 B2 JPS6412335 B2 JP S6412335B2
- Authority
- JP
- Japan
- Prior art keywords
- manifold
- hole
- acoustic
- center frequency
- inspected
- 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
- 238000007689 inspection Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000012545 processing Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
- G01H3/04—Frequency
- G01H3/06—Frequency by electric means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Examining Or Testing Airtightness (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57195810A JPS5985954A (ja) | 1982-11-08 | 1982-11-08 | 多岐管の通孔検査装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57195810A JPS5985954A (ja) | 1982-11-08 | 1982-11-08 | 多岐管の通孔検査装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5985954A JPS5985954A (ja) | 1984-05-18 |
| JPS6412335B2 true JPS6412335B2 (enrdf_load_stackoverflow) | 1989-02-28 |
Family
ID=16347357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57195810A Granted JPS5985954A (ja) | 1982-11-08 | 1982-11-08 | 多岐管の通孔検査装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5985954A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6129758A (ja) * | 1984-07-20 | 1986-02-10 | Nippon Telegr & Teleph Corp <Ntt> | 透過音波を利用した管内状況調査方法 |
| JP2001330593A (ja) * | 2000-05-19 | 2001-11-30 | Ryoei Engineering Kk | 鋳造成形品の連通孔検査方法およびその装置 |
-
1982
- 1982-11-08 JP JP57195810A patent/JPS5985954A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5985954A (ja) | 1984-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6044332A (en) | Surface acoustic wave harmonic analysis | |
| JPS58168934A (ja) | 流体の漏洩検出方法とその装置 | |
| IT8948602A1 (it) | Procedimento ed apparecchio per la localizzazione di perdite in sistemi a pressione sulla base delle relative emissioni acustiche. | |
| KR101723523B1 (ko) | 탄성파 신호 추출 성능이 향상된 음향방출 시험장치 | |
| CN112856248A (zh) | 地下压力管道泄漏检测方法、设备、系统及存储介质 | |
| US6370943B1 (en) | Process for monitoring the integrity of hollow fiber filtration modules | |
| CA2148807A1 (en) | System and method for testing the integrity of porous elements | |
| US4172379A (en) | Apparatus for inspecting a pipeline for leaks | |
| CN105323694A (zh) | 密封验证方法、密封检测装置以及密封品质测量系统 | |
| JPS6412335B2 (enrdf_load_stackoverflow) | ||
| JPH1164152A (ja) | ガス配管の漏洩位置標定方法および装置 | |
| JPH0587669A (ja) | 配管漏洩検査方法 | |
| JPH10185745A (ja) | 配管漏洩位置特定方法における信号処理方法 | |
| RU2002102334A (ru) | Способ определения места течи в трубопроводе и устройство для его реализации | |
| CN204944771U (zh) | 泄漏检测仪 | |
| JPS6412334B2 (enrdf_load_stackoverflow) | ||
| JP3630393B2 (ja) | 異常箇所検出装置 | |
| JPH1114492A (ja) | 上水道網の漏水検査方法 | |
| JPH1172409A (ja) | 配管の漏洩検知方法 | |
| RU2042123C1 (ru) | Многопрофильный акустический течеискатель и способ его настройки | |
| JPH0566172A (ja) | 音響式の漏洩検出方法及び漏洩検出装置 | |
| JPH10185744A (ja) | 配管漏洩位置特定方法における外部ノイズ判定方法 | |
| RU2158922C2 (ru) | Способ настройки многоканальной сканирующей системы сбора данных дефектоскопа и устройство для его осуществления | |
| JP2000186957A (ja) | 機器の異状振動検査装置 | |
| JPH0678962B2 (ja) | 冷却材漏洩検出装置用健全性確認方法 |