Development of Miniaturised Fibre-Optic Laser Doppler Velocimetry for Opaque Liquid: Measurement of the Velocity Profile in the Engine Oil Flow of a Lubrication System

Development of Miniaturised Fibre-Optic Laser Doppler Velocimetry for Opaque Liquid: Measurement of the Velocity Profile in the Engine Oil Flow of a Lubrication System

This study developed a fibre-optic laser Doppler velocimetry sensor for use in opaque, high-temperature, and high-pressure fluid flows by inserting the fibre perpendicular to the main flow. The tip of the optical fibre was obliquely polished and chemically etched using a buffered hydrofluoric acid s...

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Bibliographic Details
Main Authors: Tsutomu Tajikawa, Shimpei Kohri, Taiki Mouri, Takaichi Fujimi, Hiromasa Yamaguchi, Kenkichi Ohba
Format: Article
Language:English
Published: MDPI AG 2024-09-01
Series:Photonics
Subjects:
laser Doppler velocimetry
fibre-optic sensor
lubricant oil
opaque liquid flow velocity measurement
high-pressure
high-temperature flow
Online Access:https://www.mdpi.com/2304-6732/11/9/892

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https://www.mdpi.com/2304-6732/11/9/892

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