DESIGN AND IMPLEMENTATION OF PIPELINE MONITORING SYSTEM USING ACCELERATION-BASED WIRELESS SENSOR NETWORK

Author: Nwalozie Gerald Chetachi
Department: Electronic and Computer Engineering
Affiliation: Nnamdi Azikiwe University Awka

This thesis focused on the design and implementation of pipeline monitoring system using acceleration based wireless sensor network. In this research, a micro-electro-mechanical systems (MEMS) based wireless sensor network was developed for nondestructive monitoring of pipeline systems. The system incorporates MEMS accelerometers for measuring flow-induced vibration on the surface of a pipe to determine the change in water pressure caused by rupture and the damage location. Also , field measurements of vibration were performed in pipe sections of a water filled loop subjected to a wide range of flow rates. In addition, experimental investigation of the relationship between flow induced vibration and the pressure fluctuations was carried out. The experimental result showed that there is a sharp change in the induced vibration of the pipe surface of about 0.07g-force and 0.22g-force, when the valves were half opened and completely opened respectively. Results also showed that the correlation coefficient of the measured data is 1.00, which showed that there is a positive linear relationship between the flow-induced vibrations and pressure fluctuations. Results show that a non linear but proportional relationship between the water flow rate and flow induced vibrations exist.

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