Question

ii) Write the formula for critical speed (Ve)​

Answer 1

Answer:

Rayleigh Ritz method critical speed calculator - formula & step by step calculation to find the critical speed Nc of a rotating shaft. Nc = [(30/1) ✓(g/Ast)].

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Answer 2

Answer:

The critical speed is the same as the frequency of traverse vibrations.

Where m = the mass of the shaft assumed concentrated at single point .

The centrifugal force on the shaft

= m ω 2 ( y + e ) and

the inward pull exerted by the shaft = y (48EI / L 3 )