Mechanism analysis of bringing upper-corner's gas-accumulating under control in the 'U' working face by pulsed ventilation

机译：通过脉冲通风在“u”工作面上使上拐角气体积聚的机制分析

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Aimed at the problem of upper corner's gas accumulation in the "U" working face that is put forward by the working field, the paper has raised the pulse ventilation method that bringing upper-corner's gas-accumulating under control, and detailedly analyzed the methane diffusion and mass-transmission mechanism which the pulsed ventilation method disperses the gas accumulating in the vortex flow field of the upper-corner of working face and climinates the uneven distribution of gas concentration in main flow f upper corner. It is tested by the field experiment that the pulsed ventilation emthod is effective and feaible.

机译：旨在通过工作领域提出的“U”工作面上上角气体积聚的问题，提出了脉冲通风方法，使脉冲通风方法造成了下拐角的储气，并详细分析了甲烷扩散脉冲通风方法将积聚在工作面上的涡流流场中积聚的气体分散的质量传动机构，并在主流f上角中的气体浓度的不均匀分布。它是由脉冲通风偏光的现场实验测试是有效和可盈亏的。

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《International symposium on progress in safety science and technology》|2000年||共6页
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Yang Shengqiang; Yu Qixiang; Wang Kai; Zhang Rengui;
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2. Analysis of femtosecond quantum control mechanisms with colored double pulses [J] . Vogt G, Nuernberger P, Selle R, Physical Review, A. Atomic, molecular, and optical physics . 2006,第3aPta2期

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4. Mechanism analysis of bringing upper-corner's gas-accumulating under control in the "U" working face by pulsed ventilation [C] . Yang Shengqiang, Yu Qixiang, Wang Kai, International symposium on progress in safety science and technology;2000 ISSST . 2000

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8. Mechanisms That Control the Geometry of Pulsed Nd:YAG Laser Welds. [R] . Jellison, J. L., Russo, A. J., Peebles, H. C., 1988

机译：控制脉冲Nd：YaG激光焊接几何的机制。

Mechanism analysis of bringing upper-corner's gas-accumulating under control in the 'U' working face by pulsed ventilation

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