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Old   April 7, 2000, 05:03
Default Jet-fan
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Hi, I have a curiosity: I have a jet-fan thrusting air: I know its volumetric flow rate and the velocity at the exit section. How can I calculate: 1) the thrust, 2) the power of the jet-fan; 3) the efficency (I know the motor power too).

Thank you, Gabriel
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Old   April 14, 2000, 10:42
Default Re: Jet-fan
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Look in any fluid mechanics book for applying momentum conservation law. For the thrust it depends wether the fan is advancing or is static.
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