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A Novel Fiber-Optic Ice Sensor to Identify Ice Types Based on Total Reflection.

Chi Zhang1, Chunhua Xiao2, Shaorong Li1

  • 1School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China.

Sensors (Basel, Switzerland)
|April 28, 2023
PubMed
Summary

This study introduces a new fiber-optic ice sensor for accurately detecting ice types and thickness. The novel sensor effectively measures ice from 0.5-5 mm across various temperatures, showing promise for aircraft and wind turbine safety.

Keywords:
fiber opticice sensorice thicknessicing typetotal reflection

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Area of Science:

  • Physics
  • Materials Science
  • Engineering

Background:

  • Current fiber-optic ice sensors face challenges in accurately identifying ice types and thickness.
  • Reliable ice detection is crucial for safety in aviation and wind energy sectors.

Purpose of the Study:

  • To design and validate a novel fiber-optic ice sensor capable of distinguishing ice types and measuring thickness.
  • To improve the accuracy and reliability of ice detection systems.

Main Methods:

  • The novel sensor utilizes a reflected light intensity modulation method and the principle of total internal reflection.
  • Performance was evaluated through ray tracing simulations and low-temperature icing tests.

Main Results:

  • The fiber-optic ice sensor successfully detected different ice types and thicknesses ranging from 0.5 to 5 mm.
  • Accurate measurements were achieved at temperatures of -5 °C, -20 °C, and -40 °C, with a maximum error of 0.283 mm.

Conclusions:

  • The developed fiber-optic ice sensor demonstrates high performance in identifying ice types and thickness.
  • This technology offers significant potential for enhancing icing detection systems in aircraft and wind turbines.