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首页> 外文会议>Society for Machinery Failure Prevention Technology Meeting; 20050418-21; Virginia Beach,VA(US) >REMOTE NDE TECHNOLOGY FOR INACCESSIBLE SHIPBOARD PIPING INSPECTION
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REMOTE NDE TECHNOLOGY FOR INACCESSIBLE SHIPBOARD PIPING INSPECTION

机译：无法进行船板管道检查的远程NDE技术

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摘要

Piping inside fuel and ballast tanks on US Navy ships requires periodic inspection and maintenance. However, because the cost to open and enter tanks for inspection is considerable the Navy has extended scheduled in-tank inspections by up to 12 years. This has reduced maintenance costs but has increased the risk that piping corrosion goes undetected. This has led to some unexpected piping failures and in a few cases has resulted in oil spills. To prevent these pipe failures the US Navy is evaluating technologies that can enable rapid and inexpensive periodic condition assessment of piping that is inside of fuel and ballast tanks. Pipe failures were investigated to determine the exact nature of the failures and the ship systems most affected. Then a detailed technical performance requirements list was developed on which to base a review of remote inspection equipment capability. Commercially available technologies were identified and candidates selected for laboratory evaluation. The technologies presently undergoing evaluation include those that involve the insertion of sensor(s) into the pipe from outside of the tank as well as non-invasive techniques that use externally placed sensors from outside of the tank. This paper provides an overview of the problem definition, the performance specifications and a description of some potential technology solutions. The capabilities and limitations of each of the technologies under investigation are presented along with some preliminary performance testing results.
机译：美国海军舰船上的燃料和压载舱内的管道需要定期检查和维护。但是，由于打开和进入坦克进行检查的费用相当可观，海军已经将定期的坦克内检查延长了长达12年。这减少了维护成本，但增加了无法发现管道腐蚀的风险。这导致了一些意外的管道故障，并在少数情况下导致了漏油。为了防止这些管道故障，美国海军正在评估可以对燃料和压载舱内部管道进行快速，廉价的定期状态评估的技术。对管道故障进行了调查，以确定故障的确切性质以及受影响最大的船舶系统。然后，制定了详细的技术性能要求清单，以此为基础对远程检查设备的功能进行了审查。确定了可商购的技术，并选择了候选人进行实验室评估。当前正在接受评估的技术包括涉及将传感器从储罐外部插入管道的技术，以及从储罐外部使用外部放置的传感器的非侵入性技术。本文概述了问题的定义，性能规格以及一些潜在的技术解决方案。提出了每种正在研究的技术的功能和局限性，以及一些初步的性能测试结果。

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