Engineering, 25.07.2020 03:01 bludragonfly33
A shaft consisting of a steel tube of 50-mm outer diameter is to transmit 100 kW of power while rotating at a frequency of 34 Hz. Determine the tube thickness that should be used if the shearing stress is not to exceed 60 MPa.
Answers: 1
![\sqrt[4]{26.66*10^{-8} }](/tpl/images/0712/8132/60ad8.png)
 mm
f = 2 * 
 = 467.92 / (60 * 10^6) =  7.8 * 10^-6 m^3
= 
= Â ![\frac{\pi }{0.050} [ ( 0.025^{4} - c^{4} _{1} ) ]](/tpl/images/0712/8132/ff131.png)
= 0.050 / ![c_{1} = \sqrt[4]{26.66 * 10^{-8} }](/tpl/images/0712/8132/488d7.png)
 = 
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