Influence of probe geometry on the characteristics of optical fiber gas-liquid two-phase flow measurement signals

Yu Ma, Mingyang Lv, Yangrui Zhang, Xu Zhang, Song Li, Weimin Sun, Elfed Lewis

Research output: Contribution to journalArticlepeer-review

Abstract

A conical tip–shaped plastic optical fiber sensor for gas-liquid flow measurement is described. Experimental results show that a distinctive spike signal occurs before the output signal when using a conventional conical fiber probe, whereas this spike signal was greatly suppressed when a cleaved probe is used. A full simulation is implemented based on a three-dimensional ray-tracing method providing a means of comparison with theoretical analysis. The results show that an appropriately cleaved tip provides a promising method of enhancing the bubble measurement signal-to-noise ratio.

Original languageEnglish
Pages (from-to)1660-1666
Number of pages7
JournalApplied Optics
Volume60
Issue number6
DOIs
Publication statusPublished - 20 Feb 2021

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