Comparison of Methodologies for Qualification of In-Service Inspection
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摘要: 以基于ASME规范的验证方法和ENIQ验证方法为对象,讨论2种在役检查技术验证方法的特点及其各自存在的问题。ASME规范要求的验证方法侧重于某一类部件检测技术的验证,强调盲测试验和判定验证的统计学证据的重要性;对于某些特定部件检测技术的验证,ASME规范XI卷附录Ⅷ中的相关规定不够明确。ENIQ验证方法强调通过技术论证和实际测试的结合进行验证,适应性较强。通过比较2种验证方法的特点,对我国的在役检查技术验证提出建议。Abstract: The features and problems with ASME in-service inspection qualification requirements and the ENIQ methodology approach were discussed.The approach in ASME XI,Appendix VIII is generic qualification,which focuses on blind trial and the statistical significance of the performance demonstration.The benefits of the ENIQ methodology are its flexibility and the requirement that qualification is a combination of practical trials and technical justification.The major disadvantage of the ENIQ approach is the requirement for scarce personnel skills in the physics and practice of inspection.Then the qualification approach of in-service inspection in China is discussed based on the experience of Spanish methodology approach.
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Key words:
- Qualification of In-service Inspection /
- ASME /
- ENIQ /
- Technical justification
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