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Epidural Intracranial Pressure Measurement in Rats Using a Fiber-optic Pressure Transducer
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Leak Detection in Water Pipes Using Submersible Optical Optic-Based Pressure Sensor.

Leslie Wong1, Ravin Deo2, Suranji Rathnayaka3

  • 1Department of Civil Engineering, Monash University, Clayton Campus, Victoria 3800, Australia. leslie.wong@monash.edu.

Sensors (Basel, Switzerland)
|December 6, 2018
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Summary

This study introduces a submersible optical fibre pressure sensor for detecting water leaks in distribution networks. The new method offers a cost-effective and efficient alternative to traditional leak detection systems.

Keywords:
leak detectionnondestructive techniqueoptical fibre sensorspipelinesensors

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Area of Science:

  • Water resource management
  • Sensor technology
  • Civil engineering

Background:

  • Water leakage in distribution networks incurs significant financial losses for utilities and consumers.
  • Effective leak detection, localization, and quantification are crucial for improving water service delivery.
  • Traditional optical fibre sensors (OFS) for leak detection require costly and time-consuming installation on existing pipelines.

Purpose of the Study:

  • To evaluate the feasibility of a submersible optical fibre-based pressure sensor for leak detection.
  • To assess a deployment method that avoids rigid bonding to the pipeline, reducing installation challenges.
  • To investigate the sensor's performance in detecting leaks through hydrostatic and pressure transient responses.

Main Methods:

  • Experimental investigation of a submersible optical fibre pressure sensor.
  • Real-time monitoring of internal water pressure with calibration against a standard pressure gauge.
  • Application of two distinct leak detection methodologies: hydrostatic and pressure transient analysis.

Main Results:

  • The submersible optical fibre pressure sensor demonstrated functionality in monitoring internal water pressure.
  • Experimental results provided insights into the sensor's performance under different leak scenarios.
  • The study evaluated the reliability and robustness of the proposed non-bonded sensor deployment.

Conclusions:

  • The submersible optical fibre pressure sensor presents a viable solution for non-intrusive leak detection in water distribution systems.
  • This approach addresses the limitations of traditional OFS installation, offering a potentially more economical and faster deployment.
  • Further validation is recommended to confirm the sensor's long-term performance and widespread applicability.