Abstract
According to characteristics of air curtain obstructing airflow in mine tunnel, utilized turbulent flow dynamic viscosity method, and three-dimensional steady-state incompressible Navier-Stokes equations of computational fluid mechanics, the simulation of flow field in mine tunnel was made by changing outlet parameters of air curtain. The results show that the obstructing airflow capability increase with the increase of the outlet airflow velocity, the obstructing airflow capability decrease with the increase of the outlet width when the amount of wind is a certain value, the obstructing airflow capability increase at first, then decrease with the increase of the outlet angle. When the parameters are the same, the obstructing airflow capability of acyclic air curtain is better than that of circular air curtain.The result of simulation analysis of mine air curtain can be used as the basis for optimized design.
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