Abstract: 3D effect chart of the effect pressure mathematical model for air curtain of partition and jet type is plotted using Matlab language and computer. The variation law of the relationship between the air jet amount Q of the air curtain with the fan number n, wind velocity V_c of the air curtain exit, ventilation resistance △H of the roadway with air curtain, wind resistance R of roadway and cross-sectional area S_c of the air curtain exit is analyzed in its 3D coordinate system. Experimental research is also made on the characteristics of the partition airflow and jet airflow of air curtain, providing both reliable theoretical and technical guidance of the actual application of mine-use air curtain.

Key words: Mine-use air curtain, Effective pressure model, Partition or jet airflow, Function model analysis, Theoretical and technical guidance