Stress-strain State and Vibration Frequencies of Blades of the Main Mine Fan Impeller

N. V. Panova, E. A. Spiridonov

N.A. Chinakal Institute of Mining, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia; Novosibirsk state technical University.

DOI: 10.4236/ojapps.2013.32B011                

Abstract

The paper discusses geometrical characteristics and strength parameters of fan blades equipped with replaceable active part it end ended to improve the fan adjustability owing to replacement or removal of the active part, which allows the fan to maintain a wide range of ventilation modes.

Keywords

Stress-strain State; Vibration Frequencies; Mine Fan Impeller

Conflicts of Interest

The authors declare no conflicts of interest.

References

[1]	N. N. Petrov, “Main Axial-Flow Mine Fans with Higher Adaptability, Maintainability and Reliability,” Proceedings of the 22nd WMC&Expo, Istanbul, Turkey, 11-16 September, 2011.
[2]	N. N. Petrov, N. A. Popov, E. A. Batyaev and V. A. Novikov, “Theory and Design of Reversible Axial fans with Turn in Motion Blades of Impeller,” Journal of Mining Science, Vol.35, No. 5, 1999, pp. 79-97. doi:10.1007/BF02562513
[3]	K. N. Borishansky, “Vibration of Turbine Blades,” Study Guide, Saint-Petersburg: PIMash, 1995.