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METHOD FOR NON-DESTRUCTIVE INSPECTION OF A FLEXIBLE LINE AND DEVICE FOR NON-DESTRUCTIVE INSPECTION OF A FLEXIBLE LINE

机译:挠性线的非破坏性检查方法及挠性线的非破坏性检查装置

摘要

the invention aims to provide a method for non-destructive inspection of a flexible underwater tube (10) capable of detecting a flood of the annular space (13) in which the shield layers are found (14, 23). the method comprises the following steps: - have at least one pair of electrodes (101, 102) in the vicinity of the outer sheath (11), - measure the impedance at the terminals of the electrode pair, at a frequency advantageously between 10 hz and 10 mhz , - compare the measured impedance with reference values, in order to determine the nature of the fluid contained in the annular space (13).
机译:本发明的目的是提供一种用于对水下柔性软管(10)进行非破坏性检查的方法,该方法能够检测环形空间(13)的泛滥,其中发现了屏蔽层(14、23)。该方法包括以下步骤:-在外套层(11)附近至少有一对电极(101、102);-以有利的方式在10 hz之间的频率下测量电极对的端子处的阻抗和10 MHz,-将测得的阻抗与参考值进行比较,以确定环形空间(13)中所含流体的性质。

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