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Journal of Research and Innovation for Sustainable Society
During operation, the turbine bulb shaft is subjected to static specific stresses (tension, compression, torsion) and dynamic (fatigue, random vibrations). These stresses are the effect of hydraulic forces and moments developed on the rotor blade, the weight of the rotor (with or without oil) in the console and inevitable vibrations, which creates a rotating mass unevenly distributed over the axis of symmetry of the turbine. Observations made on the turbine bulb shafts of the Iron Gate II CHEdoi:10.33727/jriss.2019.1.9:67-72 fatcat:f3gllgkam5atzcdp5v4bjvwkmy