Entry number：07
SUBJECT
MAGNETIC MODULE SYSTEM USED FOR INSPECTING AND MONITORING THE LEAKAGE OF SUBSEA PIPELINE
DEPARTMENT
Department of System and Naval Mechatronic Engineering
PROFESSOR AND STUDENT
Professor：Sheng-Chih Shen
Student：Yung-Hsu Chen
ABSTRACT
This paper designed a creative method which used several hall sensors to build up a monitor system to detect the leakage. Through this system, the location and size of leakage in pipeline can be calculated accurately. The advantage of this method is economic and accurate. In addition, this method, better than ultrasonic guided wave and optical fiber, can be used in different materials and shapes. In this paper, I used the hall sensors implemented in the pipeline to monitor the flowrate per second to find if there’s any leakage in it. This paper also proved that the flowrate of hall sensors will almost be the same when there is no leakage. On the contrary, the flowrate will change when there is leakage in the pipeline. Through the change of flowrate, the system can use trend line and water velocity to calculate the size and location of leakage. Last but not least, in this research, there’s also a human machine interface which can present flowrate of each hall sensor and the size and location of leakage clearly. With this system, the leakage of subsea pipeline will be found quickly and fixed in time. In the meantime, the quality of deep sea water will also be improved.
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