Measurement of Viscoelasticity of Sodium Alginate by Fibre Bragg Grating

Proceedings

Lourdes Alwis¹  Alicja Stankiewicz¹  Leonardo Binetti¹ 

[1] School of Engineering and the Built Environment, Edinburgh Napier University, Edinburgh EH10 5DT, UK;

关键词: FBG;    fibre Bragg grating;    viscoelasticity;    polymer;    sodium alginate;    SA;    Maxwell method;    concentration;    fibre optic;    sensor;   

DOI  :  10.3390/proceedings2019015033

来源: DOAJ

【 摘 要 】

A novel sensor for measuring viscoelastic properties of sodium alginate (SA) in distilled water of concentration (1.0, 1.5, 2.0, 2.5, and 3.0 w/w%) has been tested. The sensor used is an FBG (Fiber Bragg Grating) fibre optic sensor. It has seen that there is a linear response in terms of area of the peak as the concentration of SA increases and the FWHM increases linearly with a small error bar, indicating the precision of the present sensor. The system proposed will substitute the mechanical Maxwell method for measuring viscoelasticity of polymers, with a mechano-optic sensor.

【 授权许可】

Unknown