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Non-intrusive measurement and hydrodynamics characterization of gas–solid fluidized beds: a review

Sun, Jingyuan, Yan, Yong (2016) Non-intrusive measurement and hydrodynamics characterization of gas–solid fluidized beds: a review. Measurement Science and Technology, 27 (11). Article Number 112001. ISSN 0957-0233. (doi:10.1088/0957-0233/27/11/112001) (KAR id:57525)

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Gas-solid fluidization is a well-established technique to suspend or transport particles and has been applied in a variety of industrial processes. Nevertheless, our knowledge of fluidization hydrodynamics is still limited for the design, scale-up and operation optimization of fluidized bed reactors. It is therefore essential to characterize the two-phase flow behaviours in gas-solid fluidized beds and monitor the fluidization processes for control and optimization. A range of non-intrusive techniques have been developed or proposed for measuring the fluidization dynamic parameters and monitoring the flow status without disturbing or distorting the flow fields. This paper presents a comprehensive review of the non-intrusive measurement techniques and the current state of knowledge and experience in the characterization and monitoring of gas-solid fluidized beds. These techniques are classified into six main categories as per sensing principles, electrostatic, acoustic emission and vibration, visualization, particle tracking, laser Doppler anemometry and phase Doppler anemometry as well as pressure fluctuation methods. Trend and future developments in this field are also discussed.

Item Type: Article
DOI/Identification number: 10.1088/0957-0233/27/11/112001
Uncontrolled keywords: Non-intrusive measurement, Monitoring, Gas-solid fluidized bed, Sensor, Signal processing, Hydrodynamics characterization
Subjects: T Technology
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts
Depositing User: Tina Thompson
Date Deposited: 27 Sep 2016 08:50 UTC
Last Modified: 09 Dec 2022 01:37 UTC
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