A Multigene Genetic Programming approach for modeling effect of particle size in a liquid-solid circulating fluidized bed reactor

Shaikh A. Razzak, Shafiullah A. Hossain, Syed M. Rahman, Mohammad M. Hossain, Jesse Zhu

Research output: Journal PublicationArticlepeer-review

4 Citations (Scopus)

Abstract

This communication presents the application of Multigene Genetic Programming, a new soft computing technique to investigate the effects of particle size on hydrodynamics behavior of a liquid-solid circulating fluidized bed (LSCFB) riser. The Multigene Genetic Programming based model is developed/trained based on experimental data collected from a pilot scale LSCFB reactor using two different size glass beads (500 and 1200 μm) as solid phase and water as liquid phase. The trained Genetic Programming model successfully predicted experimental phase holdups of the LSCFB riser under different operating parameters. It is observed that the model predicted cross-sectional average of solids holdups in the axial directions and radial flow structure are well agreement with the experimental values. The statistical performance indicators including the mean absolute error (∼5.89%) and the correlation coefficient (∼0.982) also show favorable indications of the suitability of Genetic Programming modeling approach in predicting the solids holdup of the LSCFB system.

Original languageEnglish
Pages (from-to)370-381
Number of pages12
JournalChemical Engineering Research and Design
Volume134
DOIs
Publication statusPublished - Jun 2018
Externally publishedYes

Keywords

  • Hydrodynamics
  • Solid holdups
  • Superficial liquid velocity

ASJC Scopus subject areas

  • Chemistry (all)
  • Chemical Engineering (all)

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