Bulletin of the American Physical Society
71st Annual Meeting of the APS Division of Fluid Dynamics
Volume 63, Number 13
Sunday–Tuesday, November 18–20, 2018; Atlanta, Georgia
Session G02: Turbulent Combustion III: Combustors
10:35 AM–12:32 PM,
Monday, November 19, 2018
Georgia World Congress Center
Room: B203
Chair: Paul Palies, CFD Research Corporation
Abstract ID: BAPS.2018.DFD.G02.4
Abstract: G02.00004 : Large-eddy simulations of turbulent combustion fields generated by a Submerged Combustion Vaporizer (SCV) burner - Effect of water spray injection on combustion behavior -*
11:14 AM–11:27 AM
Presenter:
Takafumi Honzawa
(Tokyo Gas Co., Ltd., Kyoto University)
Authors:
Takafumi Honzawa
(Tokyo Gas Co., Ltd., Kyoto University)
Reo Kai
(Kyoto University)
Makoto Seino
(Numerical Flow Designing Co., Ltd.)
Takayuki Nishiie
(Numerical Flow Designing Co., Ltd.)
Kenichi Wazaki
(Tokyo Gas Engineering Solutions Co.)
Yoshiharu Suzuki
(Tokyo Gas Engineering Solutions Co.)
Ryoichi Kurose
(Kyoto University)
Submerged Combustion Vaporizers (SCVs) are often used as LNG vaporizers, and those burners are designed to reduce the maximum flame temperature, which causes the reduction of NOx emission. In order to reduce the maximum flame temperature, it is useful to equip the water spray system for the burners. In this study, large-eddy simulations of the turbulent combustion fields generated by a SCV burner are conducted, and the effect of the water spray injection on the combustion behavior is investigated. As the combustion model, a non-adiabatic flamelet approach, which can take into account the effects of heat losses due to water evaporation and cooling wall, is employed. The results show that the water spray injection effectively causes the reductions of maximum gas temperature and then the NOx emissions.
*This research used computational resources of the K computer provided by the RIKEN Center for Computational Science through the HPCI System Research project (Project ID:hp170311).
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.DFD.G02.4
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