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Pipeline leakage detection using distributed fibre optical temperature sensing

机译:使用分布式光纤温度感测的管道泄漏检测

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The leakage detection system based on the distributed fibre optical temperature measurement method is an analysing method for continuous detection and localization of leakages at pipelines in the steady and unsteady operation states according to the German rules for pipelines TRbF 301/TRFL which is valid in Germany since April 2003. The leakage detection system is useable under the precondition that there is a sufficient large temperature gradient between the leakage area and the unaffected environment. This can be caused by the medium itself or through a physical effect due to the leakage, e.g. gas expansion, evaporation. It's a very sensitive method, so also creeping leakages can be detected.
机译:基于分布式光纤温度测量方法的泄漏检测系统是一种分析方法,用于根据德国管道TRbF 301 / TRFL规则对处于稳态和非稳态运行状态下的管道泄漏进行连续检测和定位,该方法自德国开始生效。 2003年4月。在泄漏区域和未受影响的环境之间存在足够大的温度梯度的前提下,可以使用泄漏检测系统。这可能是由于介质本身引起的,也可能是由于泄漏引起的物理影响,例如:气体膨胀,蒸发。这是一种非常敏感的方法,因此也可以检测到蠕变泄漏。

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