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Mining Publication: Fan Selection For Large-Opening Mines: Vane-Axial Or Propeller Fans - Which To Choose?
Keywords: Axial vane fans Fan ventilation Propeller fans
This page is archived for historical purposes and is no longer being maintained or updated. Contact NIOSH Mining if you need an accessible version.
Original creation date: June 2006
Authors: RB Krog, RH Grau
Conference Paper - June 2006
Download PDF Document (0.30 MB)
NIOSHTIC2 Number: 20030336
Proceedings of the 11th U.S./North American Mine Ventilation Symposium, University Park, Pennsylvania, June 5-7, 2006. Mutmansky JM, Ramani RV. eds., London, U.K.: Taylor & Francis Group, 2006 Jun; :535-542
NIOSH has investigated the unique ventilation requirements of large-opening mines to help identify and evaluate the effectiveness of various fan types to improve the ventilation and air quality in the underground workplace. Large-opening mines, with their low airflow resistance factors, can be ventilated with freestanding auxiliary fans because airflow patterns in these mines are mainly controlled by airflow momentum. The flow characteristics of both vane-axial and propeller fans were investigated and tested at four large-opening mines to assess the effects of fan location on recirculation and entrainment. Each fan type has its own airflow, entrainment and penetrating airflow characteristics, and operating costs that are advantageous for specific applications. Either fan type can be used for most auxiliary applications. However, this research has shown that the optimum placement and use criteria for propeller fans differ from those promulgated by the U.S. Bureau of Mines for vane-axial fans.
Image of publication Fan Selection For Large-Opening Mines: Vane-Axial Or Propeller Fans - Which To Choose?Conference Paper - June 2006
Download PDF Document (0.30 MB)
NIOSHTIC2 Number: 20030336
Proceedings of the 11th U.S./North American Mine Ventilation Symposium, University Park, Pennsylvania, June 5-7, 2006. Mutmansky JM, Ramani RV. eds., London, U.K.: Taylor & Francis Group, 2006 Jun; :535-542
See Also
Impact of Fan Type for Reducing Respirable Dust at an Underground Limestone Crushing Facility
Improving Mine Ventilation and Reducing Contaminant Exposure in Large-Opening Stone Mines
Jet Fan Ventilation in Very Deep Cuts - A Preliminary Analysis
Lowering Respirable Dust at an Iron Ore Concentrator Plant Through Improved Ventilation Practices
Raising the Bar of Ventilation for Large-Opening Stone Mines
Reverse Performance Characteristics of Main Mine Fans
Technology News 499 - Using Propeller Fans to Improve Ventilation in Large-Entry Stone Mines
Utilization of Booster Fans in Underground Coal Mines
Page last reviewed: May 18, 2015
Page last updated: May 18, 2015
Content source: National Institute for Occupational Safety and Health, Mining Program
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