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Sensors 2013, 13(7), 9201-9222; doi:10.3390/s130709201

Investigation on Dynamic Calibration for an Optical-Fiber Solids Concentration Probe in Gas-Solid Two-Phase Flows

Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, China
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Received: 3 April 2013 / Revised: 4 July 2013 / Accepted: 15 July 2013 / Published: 17 July 2013
(This article belongs to the Special Issue Optomechatronics)
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Abstract

This paper presents a review and analysis of the research that has been carried out on dynamic calibration for optical-fiber solids concentration probes. An introduction to the optical-fiber solids concentration probe was given. Different calibration methods of optical-fiber solids concentration probes reported in the literature were reviewed. In addition, a reflection-type optical-fiber solids concentration probe was uniquely calibrated at nearly full range of the solids concentration from 0 to packed bed concentration. The effects of particle properties (particle size, sphericity and color) on the calibration results were comprehensively investigated. The results show that the output voltage has a tendency to increase with the decreasing particle size, and the effect of particle color on calibration result is more predominant than that of sphericity.
Keywords: optical-fiber probe; solids concentration; calibration method; gas-solid two-phase flows optical-fiber probe; solids concentration; calibration method; gas-solid two-phase flows
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Xu, G.; Liang, C.; Chen, X.; Liu, D.; Xu, P.; Shen, L.; Zhao, C. Investigation on Dynamic Calibration for an Optical-Fiber Solids Concentration Probe in Gas-Solid Two-Phase Flows. Sensors 2013, 13, 9201-9222.

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