When the CH4-air mixture approaches the lean fuel state, the flame speed accordingly decreases, the flame cone rising and retreating downstream to the area with lower flow speed.
从化学计量向贫燃料状态靠近时，预混火焰强度减弱，火焰传播速度 减小，锥形火焰面逐渐增高，退到流速较低的下游区域；
The optimum region for analysis is just above the apex of the primary plasma cone and under the base of the Flame-like glow.
最佳的分析区域是在等离子锥体的顶端和似火焰发光底座的下面。
The effect of intumescent flame retardant(IFR)on the combustion and smoke of low-density polyethylene(LDPE)was studied by cone calorimeter.
用锥形量热法研究了膨胀型阻燃剂对低密度聚乙烯燃烧和发烟性能的影响。
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