对火的描述采用混合分数燃烧模型，模型中忽略燃烧过程中的反应机理，应用了层流扩散火焰理论和单步不可逆快速反应假定。
The fire was modeled by the mixture fraction combustion method with chemical reaction mechanisms neglected. Laminar diffusion flame theory with one-step irreversible fast reactions is assumed.
这种旋状搅动帮助空气和燃料进行更彻底的混合和更快速的燃烧。
This swirling action helps mix the air and fuel for a more complete and much quicker combustion .
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