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A BROAD ACOUSTIC LEAK DETECTOR IN A STEAM GENERATOR OF SODIUM-COOLED FAST REACTOR AND METHOD USING THE SAME
A BROAD ACOUSTIC LEAK DETECTOR IN A STEAM GENERATOR OF SODIUM-COOLED FAST REACTOR AND METHOD USING THE SAME
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机译:钠冷快速反应器蒸汽发生器中的宽带声泄漏检测器及其使用方法
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摘要
PURPOSE: A broad acoustic leak detector in a steam generator of a sodium-cooled fast reactor and a method thereof are provided to actively and passively detect water leakage caused by a crack of a steam generator. CONSTITUTION: The first detecting unit(40) comprises an ultrasonic wave emitting sensor(41) and an ultrasonic wave receiving sensor(42) which face a detected sodium inlet and a sodium outlet respectively. The first detecting unit actively detects water leakage. The second detecting unit(50) comprises a plurality of acoustic sensors installed on an external wall of a steam generator. The second detecting unit passively detects water leakage. A controller(60) determines whether water is leaked based on acoustic signal level values detected by the first and second detecting units.
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