September 23, 2025Physics of Fluids

Flow field optimization and pollutant control in ventilation of coal mine excavation faces: A study on a novel air distribution system

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The optimized air distribution system reduces dust concentration to below 10 mg/m3 at the breathing zone.
Under the optimal setup, methane levels remain under 0.5%, meeting safety standards.
The configuration includes a 70% air volume, 10 m installation distance, and 0° outlet angle.
Combining numerical simulation and orthogonal testing provides practical insights for mining safety.

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Numerical simulation improves air distribution and reduces dust and methane levels in coal mining operations.

Xue et al. (2025) studied this question.

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