In this paper, the turbulent reacting flow in an industrial furnace is numerically simulated using the RANS equations. The two-equation standard k-ε and the eddy dissipation models are used respectively to close the turbulent closure problem and to consider the turbulence-chemistry interaction. The radiation transfer equation is solved using the discrete ordinates method (DOM). To calculate the radiation absorption coefficient in participating combustion gases, we use the spectral line-based weighted sum of grey gases (SLW) model and compare the achieved results with famous gray-based model, i.e., the weighted-sum-of-gray-gases (WSGG) model. The results of this research show that using the SLW model, the predicted heat transfer from the flame to the furnace walls is reduced due to the thermal radiation. So, the predicted temperature filed increases up to 5% near the outlet of furnace in comparison with the results of WSGG model, which is in more agreement with the experimental data. These results indicate that if one wishes to accurately predict the temperature field and the temperature sensitive quantities such as the NOx emission, one should use the spectral-based models to calculate the radiation absorption coefficient. The details are discussed in the results section.
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ASME 2018 5th Joint US-European Fluids Engineering Division Summer Meeting
July 15–20, 2018
Montreal, Quebec, Canada
Conference Sponsors:
- Fluids Engineering Division
ISBN:
978-0-7918-5156-2
PROCEEDINGS PAPER
Evaluating the Ability of SLW Model in Numerical Simulation of Radiative Turbulent Reacting Flow in Industrial Application
Masoud Darbandi,
Masoud Darbandi
Sharif University of Technology, Tehran, Iran
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Mohammad Bagher Barezban,
Mohammad Bagher Barezban
Sharif University of Technology, Tehran, Iran
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Gerry E. Schneider
Gerry E. Schneider
University of Waterloo, Waterloo, ON, Canada
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Masoud Darbandi
Sharif University of Technology, Tehran, Iran
Mohammad Bagher Barezban
Sharif University of Technology, Tehran, Iran
Gerry E. Schneider
University of Waterloo, Waterloo, ON, Canada
Paper No:
FEDSM2018-83431, V002T09A023; 7 pages
Published Online:
October 24, 2018
Citation
Darbandi, M, Barezban, MB, & Schneider, GE. "Evaluating the Ability of SLW Model in Numerical Simulation of Radiative Turbulent Reacting Flow in Industrial Application." Proceedings of the ASME 2018 5th Joint US-European Fluids Engineering Division Summer Meeting. Volume 2: Development and Applications in Computational Fluid Dynamics; Industrial and Environmental Applications of Fluid Mechanics; Fluid Measurement and Instrumentation; Cavitation and Phase Change. Montreal, Quebec, Canada. July 15–20, 2018. V002T09A023. ASME. https://doi.org/10.1115/FEDSM2018-83431
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