A series of comprehensive large eddy simulations of non-premixed turbulent hydrocarbon flames of different sizes in a typical fire scenario have been carried out to compute the flame radiative heat transfer. In the simulation, considerations include the modelling of sub-grid turbulence, turbulent combustion, soot formation, thermal radiation and interactive heat transfer inside solid walls, etc. The instantaneous thermal radiation was calculated using the discrete transfer method with the radiation property evaluated by both an approximated fast narrow band model and an integral model. Simulation was validated against experimental data. Flame radiation heat transfer was compared for flames of different sizes. The effect of thermal radiation property evaluation model on calculation of radiation and the role of thermal radiation in total heat transfer are analyzed.
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ASME 2009 Heat Transfer Summer Conference collocated with the InterPACK09 and 3rd Energy Sustainability Conferences
July 19–23, 2009
San Francisco, California, USA
Conference Sponsors:
- Heat Transfer Division
ISBN:
978-0-7918-4356-7
PROCEEDINGS PAPER
Analysis of Flame Radiative Heat Transfer Using Large Eddy Simulation
Michael A. Delichatsios
Michael A. Delichatsios
University of Ulster, Ulster, UK
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Zhenghua Yan
Lund University, Lund, Sweden
Bengt Sunden
Lund University, Lund, Sweden
Michael A. Delichatsios
University of Ulster, Ulster, UK
Paper No:
HT2009-88202, pp. 177-186; 10 pages
Published Online:
March 12, 2010
Citation
Yan, Z, Sunden, B, & Delichatsios, MA. "Analysis of Flame Radiative Heat Transfer Using Large Eddy Simulation." Proceedings of the ASME 2009 Heat Transfer Summer Conference collocated with the InterPACK09 and 3rd Energy Sustainability Conferences. Volume 1: Heat Transfer in Energy Systems; Thermophysical Properties; Heat Transfer Equipment; Heat Transfer in Electronic Equipment. San Francisco, California, USA. July 19–23, 2009. pp. 177-186. ASME. https://doi.org/10.1115/HT2009-88202
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