Alshahed, Osamh Sabri Mohammed Atia, Kaur, Baldeep ORCID: 0000-0002-1762-3058, Bradley, Michael and Okereke, Michael ORCID: 0000-0002-2104-012X (2023) Experimental and numerical study on gas-solid flow system of plastic pellets using recurrence quantification analysis of pressure sensor measurements. In: UKACM 2023 Conference (UK Association for Computational Mechanics), 19th - 21st April 2023, The University of Warwick, 19-21 April 2023. (Unpublished)

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Abstract

The recurring dynamics of fully developed gas-solid flow patterns are characterised using recurrence quantification analysis measure in horizontal pneumatic conveying of plastic pellets. This measure was applied to recurrence plots, developed from phase spaces (attractors) reconstructed from pressure signals to characterise the recurring dynamics of flow patterns: stratified flow, pulsating flow, moving dunes and blowing dunes. The recurrence plot is a representation of the recurring dynamics in the attractor. Recurrence plots were analysed for flow patterns which showed different qualitative structures. The qualitative structures of recurrence plots at different operating parameters are measured using recurrence quantification analysis such as recurrence rate (RR). The RR measure was correlated with the state diagram, indicating that the recurring dynamics of pressure signals can detect the change between moving dunes and blowing dunes at a specific range of operating conditions.

Item Type:	Conference or Conference Paper (Paper)
Uncontrolled Keywords:	pneumatic conveying; attractor; recurrence plot
Subjects:	Q Science > Q Science (General) T Technology > T Technology (General)
Faculty / School / Research Centre / Research Group:	Faculty of Engineering & Science Faculty of Engineering & Science > School of Engineering (ENG) Faculty of Engineering & Science > Wolfson Centre for Bulk Solids Handling Technology
Last Modified:	24 Nov 2023 12:46
URI:	http://gala.gre.ac.uk/id/eprint/43680

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