CFD Simulation Analysis of Non-Premixed Combustion using a Novel Axial-Radial Combined Swirler for Emission Reduction Enhancement

Authors

  • Nor Afzanizam Samiran Department of Mechanical Engineering Technology, Faculty of Engineering Technology, Universiti Tun Hussein Onn Malaysia, Pagoh Johor, 84600 Malaysia
  • Khalil Firdaus Bin Abu Mansor Department of Mechanical Engineering Technology, Faculty of Engineering Technology, Universiti Tun Hussein Onn Malaysia, Pagoh Johor, 84600 Malaysia
  • Razlin Abd Rashid Department of Mechanical Engineering Technology, Faculty of Engineering Technology, Universiti Tun Hussein Onn Malaysia, Pagoh Johor, 84600 Malaysia
  • Muhammad Suhail Sahul Hamid Els Energy and Lab Solutions Sdn Bhd No.11A Tingkat Merpati Dua, Taman Transkrian 14300 Nibong Tebal, Pulau Pinang, Malaysia

DOI:

https://doi.org/10.37934/cfdl.15.6.111

Keywords:

Axial swirler, Emissions, Non-Premixed Combustion, Radial swirler, Temperature, velocity

Abstract

Combustion industries for many decades dealing with the issues in reducing the emissions without affecting the performance of combustion. The present study aims to investigate the performance of swirler mechanism which combining between both axial and radial types to reduce emissions and increase the mixing process via the non-premixed method. Each of axial and radial swirler consisted with 8 blades vane. Swirl angle for radial swirler is 35° and inclination angle for axial swirler is 15°. The swirler is designed using Solidworks software package and CFD analysis was then performed using ANSYS Fluent software package. The fuel used is liquefied petroleum gas (LPG) gas which contained 30% propane and 70% butane. The turbulence model standard k-epsilon was used in this study. The result found that the combined swirler was capable to reduce CO emission as the complete reaction into CO2 component was higher. This is due to the broader region of temperature and higher velocity magnitude produced by the combined swirler. However, the maximum temperature result for axial swirler was higher than the combined swirler. As a recommendation, the inclination blade angle in the axial swirler of the combined swirler should be increased to increase the temperature value

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Author Biography

Nor Afzanizam Samiran, Department of Mechanical Engineering Technology, Faculty of Engineering Technology, Universiti Tun Hussein Onn Malaysia, Pagoh Johor, 84600 Malaysia

afzanizam@uthm.edu.my

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Published

2023-04-20

How to Cite

Nor Afzanizam Samiran, Khalil Firdaus Bin Abu Mansor, Razlin Abd Rashid, & Muhammad Suhail Sahul Hamid. (2023). CFD Simulation Analysis of Non-Premixed Combustion using a Novel Axial-Radial Combined Swirler for Emission Reduction Enhancement . CFD Letters, 15(6), 1–11. https://doi.org/10.37934/cfdl.15.6.111

Issue

Vol. 15 No. 6: June (2023)

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