Numerical Investigation of Gas Migration and Spatiotemporal Evolution in YType Ventilation Working Faces with

Yaowei Zhai1, Yuzhong Yang1, Liyun Wu1

  • 1School of Energy Science and Engineering, Henan Polytechnic University, Jiaozuo 454000, China.

ACS Omega
|January 5, 2026
PubMed
Summary

Optimizing Y-type ventilation in gassy mines requires balancing advancing speed and airflow. An optimal advancing speed of 9 m/d and a 1:1.5 airflow ratio minimize gas buildup, enhancing safety and resource recovery.

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