Research Article

Increasing Oxygen Mass Fraction in Blind Headings of a Plateau Metal Mine by Oxygen Supply Duct Design: A CFD Modelling Approach

Table 5

Average oxygen mass fraction in the breathing zone of the two designs.

Z = 1Z = 3Z = 5

Oxygen mass fractionCase 2.10.2420.2430.245
Case 2.60.2470.2490.241