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Maximum Stress in a rotating Cylinder.

by mk47k
Tags: cylinder, max stress, rotating
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Dec24-09, 09:14 PM
P: 4
1. The problem statement, all variables and given/known data
A cylinder has a height and length of 0.89m. It's mass is known to be 1000kg. The cylinder is rotated at 14000 RPM. Calculate the Maximum stress in the cylinder.

2. The attempt at a solution
The maximum stress should occur at the center of the cylinder.
The centepietal force is equal to F=mv2 / r .

Now this is where i'm having problems. After I calculate the force what area should I divide it by to find the max stress?. Can I just assume the area to be really small such as 0.001*d ?
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Dec26-09, 04:01 AM
P: 9
what's d answer?

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