Intelligent pipelines using fiber optic sensors

Rod C. Tennyson; W. Don Morison; Gerald N. Manuelpillai

doi:10.1117/12.484227

22 July 2003 Intelligent pipelines using fiber optic sensors

Rod C. Tennyson, W. Don Morison, Gerald N. Manuelpillai

Proceedings Volume 5050, Smart Structures and Materials 2003: Smart Sensor Technology and Measurement Systems; (2003) https://doi.org/10.1117/12.484227
Event: Smart Structures and Materials, 2003, San Diego, California, United States

Abstract

This paper presents an investigation of the application of "long gage" fiber optic sensors (FOS) to monitor the behaviour and integrity of pipelines. A description of the long gage sensor technology is provided, together with the sensor system developed for structural applications. Tests were conducted on pipe sections under a variety of load conditions, including internal pressure, axial compression, bending and local buckling. Long gage sensors were boneded to the pipes and displacements measured using a FOX-TEK FTI 3300 instrument that employs an interferometric technique to obtain displacements to an acuracy of 20 microns. Results obtained showed that the FOS could track changes in loads, detect prebuckling deformations, and measure post-buckling plastic strains. The long gage sensors were then applied to a tailings pipeline in northern Alberta (Canada) to monitor continuously the pipe wall thinning due to erosion/corosion. Employing the FTI 3300 with a PC containing an Aircard for wireless transmission, test data were monitored remotely through internet access. Using analytical models in combination with real-time measurements of the pipe's response, predictions of the operational lifetime for the pipe were made.

Citation Download Citation

Rod C. Tennyson, W. Don Morison, and Gerald N. Manuelpillai "Intelligent pipelines using fiber optic sensors", Proc. SPIE 5050, Smart Structures and Materials 2003: Smart Sensor Technology and Measurement Systems, (22 July 2003); https://doi.org/10.1117/12.484227

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