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A Fiber Bragg Grating-Based Anemometer.

Chuan-Ying Huang1, Pei-Wen Chan2, Hung-Ying Chang3

  • 1Program of Electrical and Communications Engineering, Feng-Chia University, Taichung 40724, Taiwan. lpvhtoto@gmail.com.

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Summary
This summary is machine-generated.

A new fiber anemometer uses fiber gratings to simultaneously measure wind speed and direction with high accuracy. This simple, durable device is ideal for wind power applications.

Keywords:
anemometerfiber Bragg grating (FBG)stainless steel pipewind-direction measurementwind-speed measurement

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Area of Science:

  • Optoelectronics
  • Sensor Technology
  • Renewable Energy Systems

Background:

  • Accurate wind measurement is crucial for optimizing wind energy generation.
  • Traditional anemometers can be complex or lack durability in harsh environments.

Purpose of the Study:

  • To develop and demonstrate a novel fiber optic anemometer capable of simultaneously measuring wind speed and direction.
  • To assess the performance and potential applications of the proposed fiber anemometer.

Main Methods:

  • Utilizing two pairs of fiber gratings for simultaneous wind speed and direction detection.
  • Employing a rotating disc mechanism with spatially separated gratings (90° apart) to determine wind direction.
  • Measuring spectrum shift between a sensing and matched grating to calculate wind speed.

Main Results:

  • Experimental demonstration of a fiber anemometer with simultaneous wind speed and direction measurement capabilities.
  • Achieved measurement errors of less than 1% for both wind speed and wind direction.
  • The device exhibits a simple and durable structural design.

Conclusions:

  • The novel fiber anemometer offers accurate and simultaneous wind measurement.
  • Its robust design and high precision make it suitable for integration into wind-powered electricity generators.
  • This technology presents a promising advancement for renewable energy monitoring.