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Analysis of propeller with nozzle

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Old   July 1, 2005, 08:00
Default Analysis of propeller with nozzle
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Ammu
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Could anyone please tell me how i can analyse a propeller with a nozzle when it is in open water. I tried to do it by forming 2 volumes, one, the fluid enclosed by the nozzle, in which propeller is present and the other, fluid outside the nozzle. I assumed the fluid enclosed by the nozzle to be rotating at an rpm as that of the propeller and specified the the other fluid region as non-rotating. An inlet velocity was specified at the velocity-inlet boundary condition. The outlet was given as pressure-outlet. The nozzle which was given wall properties was given an absolute rotational velocity of 0. The face where the two fluid zones meet was taken by default as interior. But I am not able to get the required results. Please help me in this.

Thanking you Ammu
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