Which of the following statements regarding rotor inlet and outlet velocities are correct?

Which of the following statements regarding rotor inlet and outlet velocities are correct?


1-Whirl is when the relative velocity vector at rotor outlet is not axial.


2-For radial velocity at entry to the rotor, the absolute velocity vector must be in the radial direction.


3-The inlet area is given by π x (rshroud2 - rhub2).


4-Because there is only one rotor, the inlet blade velocity is equal to the outlet blade velocity.


5-At the rotor inlet, the relative gas velocity is the absolute velocity minus the blade velocity.
neels
Asked Oct 09, 2017
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prayaag866
Answered Jan 23, 2020

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