巷道型工作面排除柴油机废气的风量研究 - 中南大学学报（自然科学版、英文版） 关键字: 工作面; 柴油机废气; 需风量[gap=768]Key words: working face; diesel exhaust; required airflow
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选择矿井主扇机，需依据矿井所需风量、通风阻力。
Choosing main fan in mine is according to the amount of wind that the mine well needs and the well ventilated resistance.
隧道通风需风量的确定是取CO浓度指标和烟雾指标计算出来的较大者作为需风量。
When determining air demand for tunnel ventilation, the air demand is taken from the bigger one between calculation of CO concentration index and smog concentration index.
依据稀释烟雾计算隧道需风量时，在公式中应引入烟雾的质量浓度或烟雾的体积浓度，并用其替代公式中的一般烟雾浓度；
When calculating the amount of fresh air required to dilute smog, mass or volume concentration is introduced into the formula to replace the old smog concentration;
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