hot smoke layer 热烟气层
smoke layer depth 烟气层厚度
smoke layer height 烟气层高度
smoke layer temperature 烟气层温度
instability of smoke layer 烟气层失稳
dimensionless height of smoke layer 无量纲烟层高度
length of countercurrent smoke layer 逆流层长度
sprinkler spray-smoke layer interaction 水
smoke clear layer 无烟地带
The results showed that the temperature rise of smoke layer was very low, but the descending of smoke layer was quick.
试验结果表明，烟气在大空间内的温度并不高，但烟气层下降速度很快。
The smoke layer can been in definite height and not descend when the smoke exhaust rate is larger than that of generating smoke.
当中庭排烟速率大于或等于产烟速率时，烟气层就能够保持在一定高度上不降下来。
This involves keeping the height of the smoke layer above the highest level of occupancy for a defined period of time, longer than the expected time to evacuate the building.
这就要求在规定的逃生时间内，保证烟气层存在于规定的逃生安全高度以上。
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