Testing air-flow velocity distributions across a section of a duct at a mine-ventilation station

Authors: W. Dziurzyński, A. Krach

This paper details the construction of air volume flow rate measurement apparatus in mine ventilation ducts using the profile of velocities integration method and describes measurements with the use of this equipment to take measurements the duct in a main, multi-fan ventilation station installed in one of the mines in the Polish copper field.

The results of the in-situ measuring procedure were used to calculate the distribution of velocities of air-flow across the duct section for single fans and with various parallel configurations of fans.