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CFD analysis of the fluidised bed hydrodynamic behaviour inside an isothermal gasifier with different perforated plate distributors

Al-Akaishi, Ahmed, Valera Medina, Agustin ORCID: https://orcid.org/0000-0003-1580-7133, Chong, C. T. and Marsh, Richard ORCID: https://orcid.org/0000-0003-2110-5744 2017. CFD analysis of the fluidised bed hydrodynamic behaviour inside an isothermal gasifier with different perforated plate distributors. Energy Procedia 142 , pp. 835-840. 10.1016/j.egypro.2017.12.134

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Abstract

The hydrodynamic behaviour of gas-solid mixtures inside Bed Fluidised Beds (BFB) gasifiers has a major impact on the gasification process due to particles - gas and particle - particle contact mechanisms. The Discrete Phase Model DPM with Multiphase Particle-in-Cell method MPPIC was used as a CFD approach to study the hydrodynamic behaviour of an 800 height x 83 mm φ prototype fluidised bed gasifier with 4 different perforated plate distributors. In terms of bubble forming, pressure drop and superficial velocity, the type D distributor, i.e. triangular, had the best performance among the other types and in turn better bed height and bed movement, thus allowing best fluidisation performance as a consequence of better flow distribution.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Advanced Research Computing @ Cardiff (ARCCA)
Publisher: Elsevier
ISSN: 1876-6102
Date of First Compliant Deposit: 1 February 2018
Last Modified: 03 May 2023 20:02
URI: https://orca.cardiff.ac.uk/id/eprint/108707

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