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PRCI PR-165-176
- Sensitivity Verification for Acoustic Emission on Buried Pipelines
- Report / Survey by Pipeline Research Council International, 07/01/1984
- Publisher: PRCI
$198.00$395.00
L51462e
AE International
Need: To provide a standardized method by which service vendors may evaluate the sensitivity of their Acoustic Emission (A.E.) systems and to provide a means by which the pipeline owner/operator may evaluate the capability of the vendors A.E. system to adequately detect acoustic emission at the transducer spacings being used.
Result: The objective of this report was to develop a method of defining sensitivity of an installed acoustic emission system. The project was divided into five phases, which were designed to address specific tasks leading to development and evaluation of the sensitivity verification system. The five phases were: 1) Selection of a reference transducer with broadband characteristics. 2) Characterization of signals coming from defects when detected at various positions on a test pipe. 3) Development of a calibration system, which accurately simulates signals detected in the test pipe. 4) Field evaluation of equipment developed in Phase 3. 5) Documentation of the entire program.
Benefit: A system for determining sensitivity of an acoustic emission system has been fabricated and demonstrated under field conditions.
AE International
Need: To provide a standardized method by which service vendors may evaluate the sensitivity of their Acoustic Emission (A.E.) systems and to provide a means by which the pipeline owner/operator may evaluate the capability of the vendors A.E. system to adequately detect acoustic emission at the transducer spacings being used.
Result: The objective of this report was to develop a method of defining sensitivity of an installed acoustic emission system. The project was divided into five phases, which were designed to address specific tasks leading to development and evaluation of the sensitivity verification system. The five phases were: 1) Selection of a reference transducer with broadband characteristics. 2) Characterization of signals coming from defects when detected at various positions on a test pipe. 3) Development of a calibration system, which accurately simulates signals detected in the test pipe. 4) Field evaluation of equipment developed in Phase 3. 5) Documentation of the entire program.
Benefit: A system for determining sensitivity of an acoustic emission system has been fabricated and demonstrated under field conditions.
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