Optical fiber sensor for measuring high particle concentrations

被引:14
作者
Bergougnoux, L [1 ]
Firpo, JL [1 ]
Misguich-Ripault, J [1 ]
机构
[1] Univ Aix Marseille 1, Inst Univ Syst Therm Ind, CNRS, UMR 6595, F-13453 Marseille 13, France
关键词
concentration measurement; optical fiber sensor; suspension; particle; probe;
D O I
10.1016/S0032-5910(99)00166-7
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
To measure high particle concentrations, an optical fiber bundle sensor has been designed, based on the backscattering of light by particles in suspension. The sensor response depends on-the concentration and also on the size and optical properties of particles. as shown by the results with silica particles. With this sensor, the measurement range of volume concentration is between 10(-3) and 0.4, for a particle size distribution between 1 and 180 mu m. Historically, the optical fiber sensor has been developed for Cemagref to measure solid transport during torrential swelling. It is also used in different applications such as sedimentation and circulating fluidized beds. In CFB application, Monte Carlo calculation has been developed to predict the sensor response because the calibration is impossible. (C) 1999 Elsevier Science S.A. All rights reserved.
引用
收藏
页码:413 / 417
页数:5
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