Experiment and Numerical Studies of the Effect of Equivalent Ratio on Combustion Characteristics in Fluidized Bed Gasifier

Authors

  • Wasu Suksuwan Department of Mechanical and Mechatronics Engineering, Faculty of Engineering, Prince of Songkla University, Hatyai, Songkhla 90112, Thailand
  • Mohd Faizal Mohideen Batcha Center for Energy and Industrial Environment Studies, Universiti Tun Hussein Onn Malaysia, 86400 Parit Raja, Johor, Malaysia
  • Arkom Palamanit Energy Technology Program, Department of Specialized Engineering, Faculty of Engineering, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand
  • Makatar Wae-hayee Department of Mechanical and Mechatronics Engineering, Faculty of Engineering, Prince of Songkla University, Hatyai, Songkhla 90112, Thailand

DOI:

https://doi.org/10.37934/arfmts.106.2.167176

Keywords:

Fluidized bed, combustion, gas composition, CFD

Abstract

The effect of equivalent ratio on fluidized bed gasifier on using kernel mixed palm cake as feedstock was studied experimentally and numerically. A 3-D numerical model of the reactor, similar to the experimental setup, was created using the commercial computational fluid dynamics (CFD) software ANSYS 2019 (Fluent). The fuel feed rate was fixed at 3 kg/hour and the mass flow rate of the air was varied, setting it to equivalent ratios (ER) of 0.1, 0.3, 0.5, and 0.7. The axial temperature profile in the reactor was compared between experimental measurements and numerical simulations and a good agreement was found. Carbon monoxide and volatiles increased when the equivalent ratio decreased, according to the simulations. It was found that ER = 0.1 and ER = 0.3 are suitable equivalent ratios, although the former would not give continuous combustion due to too low reactor temperature.

Author Biographies

Wasu Suksuwan, Department of Mechanical and Mechatronics Engineering, Faculty of Engineering, Prince of Songkla University, Hatyai, Songkhla 90112, Thailand

wasu.ssw@gmail.com

Mohd Faizal Mohideen Batcha, Center for Energy and Industrial Environment Studies, Universiti Tun Hussein Onn Malaysia, 86400 Parit Raja, Johor, Malaysia

mfaizal@uthm.edu.my

Arkom Palamanit, Energy Technology Program, Department of Specialized Engineering, Faculty of Engineering, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand

arkom.p@psu.ac.th

Makatar Wae-hayee, Department of Mechanical and Mechatronics Engineering, Faculty of Engineering, Prince of Songkla University, Hatyai, Songkhla 90112, Thailand

wmakatar@eng.psu.ac.th

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Published

2023-07-25

How to Cite

Wasu Suksuwan, Mohd Faizal Mohideen Batcha, Arkom Palamanit, & Makatar Wae-hayee. (2023). Experiment and Numerical Studies of the Effect of Equivalent Ratio on Combustion Characteristics in Fluidized Bed Gasifier. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, 106(2), 167–176. https://doi.org/10.37934/arfmts.106.2.167176

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