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Spatial filtering velocimetry for surface velocity measurement of granular flow

Lookup NU author(s): Dr Vladimir Zivkovic

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND).


Abstract

In this study, we develop the spatial filtering velocimetry (SFV) technique to measure the velocity distribution of small spherical and irregular particle flows using a linear CCD camera. In addition, energy barycentre correction algorithm is used to enhance the measurement accuracy. A constantly running conveyor belt is used to test the accuracy of this SFV system. Furthermore, the velocity distributions of the spherical and irregular particle flows in a rotating drum are measured to demonstrate the usability of this method in a granular system. We further discuss the effect of the key system parameters on the results of the measurement, and the optimal thresholds of the parameters are given in this paper.


Publication metadata

Author(s): Gong JM, Yang H, Lin SH, Li R, Zivkovic V

Publication type: Article

Publication status: Published

Journal: Powder Technology

Year: 2018

Volume: 324

Pages: 76-84

Print publication date: 15/01/2018

Online publication date: 22/10/2017

Acceptance date: 19/10/2017

Date deposited: 15/12/2017

ISSN (print): 0032-5910

ISSN (electronic): 1873-328X

Publisher: Elsevier

URL: https://doi.org/10.1016/j.powtec.2017.10.041

DOI: 10.1016/j.powtec.2017.10.041


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