Direct numerical simulations of turbulent hydrogen/air and methane/air premixed flames in a rectangular constant volume vessel have been conducted with considering detailed kinetic mechanism to investigate flame behaviors and heat losses. For the hydrogen cases, since heat release rate increases with pressure rise due to dilatation during combustion in the constant vessel, heat flux on a wall also increases. For the methane cases, the pressure increase does not raise wall heat flux significantly because of the decrescence of heat release rate caused by thermo-chemical reaction near a wall. Pressure waves caused by wall reflection fluctuate flame propagation for the hydrogen flames. Flame displacement speed decreases remarkably at the moment when the pressure wave passes through flame fronts from unburnt side to burnt side. However, the turbulent burning velocity at that time does not decrease because of increases of fluid velocity normal to the flame fronts.
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2010 14th International Heat Transfer Conference
August 8–13, 2010
Washington, DC, USA
Conference Sponsors:
- Heat Transfer Division
ISBN:
978-0-7918-4938-5
PROCEEDINGS PAPER
DNS of Flame-Wall Interaction and Heat Transfer in a Constant Volume Vessel
Akihiko Tsunemi,
Akihiko Tsunemi
Tokyo Institute of Technology, Tokyo, Japan
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Yoshihiro Horiko,
Yoshihiro Horiko
Tokyo Institute of Technology, Tokyo, Japan
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Masayasu Shimura,
Masayasu Shimura
Tokyo Institute of Technology, Tokyo, Japan
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Naoya Fukushima,
Naoya Fukushima
Tokyo Institute of Technology, Tokyo, Japan
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Seiji Yamamoto,
Seiji Yamamoto
Toyota Central R&D Labs, Aichi, Japan
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Makoto Nagaoka,
Makoto Nagaoka
Toyota Central R&D Labs, Aichi, 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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Akihiko Tsunemi
Tokyo Institute of Technology, Tokyo, Japan
Yoshihiro Horiko
Tokyo Institute of Technology, Tokyo, Japan
Masayasu Shimura
Tokyo Institute of Technology, Tokyo, Japan
Naoya Fukushima
Tokyo Institute of Technology, Tokyo, Japan
Seiji Yamamoto
Toyota Central R&D Labs, Aichi, Japan
Makoto Nagaoka
Toyota Central R&D Labs, Aichi, 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:
IHTC14-22800, pp. 169-177; 9 pages
Published Online:
March 1, 2011
Citation
Tsunemi, A, Horiko, Y, Shimura, M, Fukushima, N, Yamamoto, S, Nagaoka, M, Shim, Y, Tanahashi, M, & Miyauchi, T. "DNS of Flame-Wall Interaction and Heat Transfer in a Constant Volume Vessel." Proceedings of the 2010 14th International Heat Transfer Conference. 2010 14th International Heat Transfer Conference, Volume 3. Washington, DC, USA. August 8–13, 2010. pp. 169-177. ASME. https://doi.org/10.1115/IHTC14-22800
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