期刊
NUMERICAL HEAT TRANSFER PART A-APPLICATIONS
卷 68, 期 7, 页码 711-736出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/10407782.2015.1012886
关键词
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资金
- Australian Research Council (ARC) [LP130100927]
- Australian Research Council [LP130100927] Funding Source: Australian Research Council
Numerical studies on two large-scale compartment buoyant fires were performed utilizing a fully coupled Large Eddy Simulation (LES) and strained laminar flamelet combustion model, extended from single-step to multistep chemical reaction. Two Subgrid-Scaled (SGS) turbulent models, Smagorinsky and WALE, were examined for center and corner fires. Compared with the experimental and existing numerical data, the WALE model with a multistep chemical reaction gave the best prediction for the upper hot layer and doorway gas temperatures. Specie concentrations including oxygen, carbon dioxide, and carbon monoxide were also found to compare well against the experimental measurements when the WALE model with a multistep chemical reaction was adopted.
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