Three-dimensional direct numerical simulation (DNS) of turbulent hydrogen-air premixed flames in a constant volume vessel at relatively high Reynolds numbers have been conducted considering detailed kinetic mechanism and temperature dependence of the transport and thermal properties. The flame behavior and heat transfer characteristics are investigated in the vessel. The flame is strongly affected by the growth of the internal pressure which is caused by the temperature rise in the vessel. Since the pressure increase makes the flame thickness thin, the heat release rate of each flame element is augmented. The local pressure rise due to the dilatation also enhances turbulence and finer scale vortices appear, which make the flame surface more complicated and result in an increase of the flame surface area. Due to the increase of the mean pressure in the vessel, the maximum wall heat flux induced by the flame front is enhanced during the combustion.
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ASME/JSME 2011 8th Thermal Engineering Joint Conference
March 13–17, 2011
Honolulu, Hawaii, USA
Conference Sponsors:
- Heat Transfer Division
ISBN:
978-0-7918-3892-1
PROCEEDINGS PAPER
DNS of Turbulent Premixed Flames and Heat Transfer in a Constant Volume Vessel Available to Purchase
Naoya Fukushima,
Naoya Fukushima
Tokyo Institute of Technology, Tokyo, Japan
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Akihiko Tsunemi,
Akihiko Tsunemi
Tokyo Institute of Technology, Tokyo, Japan
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Masayasu Shimura,
Masayasu Shimura
Tokyo Institute of Technology, Tokyo, Japan
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Youngsam Shim,
Youngsam Shim
Tokyo Institute of Technology, Tokyo, Japan
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Mamoru Tanahashi,
Mamoru Tanahashi
Tokyo Institute of Technology, Tokyo, Japan
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Toshio Miyauchi
Toshio Miyauchi
Tokyo Institute of Technology, Tokyo, Japan
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Naoya Fukushima
Tokyo Institute of Technology, Tokyo, Japan
Akihiko Tsunemi
Tokyo Institute of Technology, Tokyo, Japan
Masayasu Shimura
Tokyo Institute of Technology, Tokyo, Japan
Youngsam Shim
Tokyo Institute of Technology, Tokyo, Japan
Mamoru Tanahashi
Tokyo Institute of Technology, Tokyo, Japan
Toshio Miyauchi
Tokyo Institute of Technology, Tokyo, Japan
Paper No:
AJTEC2011-44473, T20113; 8 pages
Published Online:
March 1, 2011
Citation
Fukushima, N, Tsunemi, A, Shimura, M, Shim, Y, Tanahashi, M, & Miyauchi, T. "DNS of Turbulent Premixed Flames and Heat Transfer in a Constant Volume Vessel." Proceedings of the ASME/JSME 2011 8th Thermal Engineering Joint Conference. ASME/JSME 2011 8th Thermal Engineering Joint Conference. Honolulu, Hawaii, USA. March 13–17, 2011. T20113. ASME. https://doi.org/10.1115/AJTEC2011-44473
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