Determine the Torque at Gear, Maximum Stress of Shaft and Angle of Twist


The turbine develops 250 KW of power, which is transmitted to the gears such that C receives 60% and D receives 40%, figure 5. The rotation of the 75 –mm-diameter A-36 steel shaft is w= 800 rev/min. The journal bearing at E allows the shaft to turn freely about its axis.

a.    Determine the torque at gear C and gear D.
b.    Determine the absolute maximum shear stress in the shaft.
c.    Determine the angle of twist of end E of the shaft relative to B.
       Gsteel = 75 GPa



The question belongs to Mechanical Engineering and it is about a turbine producing 250 KW of power. The turbine is connected to two gears and we need to determine the torque at the gears, the stress level of the shaft and the angle of twist at the end of the shaft. The calculations have been given in detail in the solution.

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