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    Standford
    Jun-1997 - Sep-2000

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    Honeywell
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Category > Applied Sciences Posted 06 May 2017 My Price 8.00

An axial flow compressor

An axial flow compressor is required to deliver 50 kg/s of air at a stagnation pressure of
500kPa. At inlet to the first stage the stagnation pressure is 100 kPa and the stagnation temperature
is 23°C. The hub and tip diameters at this location are 0.436 m and 0.728 m. At the mean
radius, which is constant through all stages of the compressor, the reaction is 0.50 and the absolute
air angle at stator exit is 28.8 deg for all stages. The speed of the rotor is 8000 rev/min. Determine
the number of similar stages needed assuming that the polytropic efficiency is 0.89 and that the
axial velocity at the mean radius is constant through the stages and equal to 1.05 times the average
axial velocity.

Answers

IT KING
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Status NEW Posted 06 May 2017 10:05 AM My Price 8.00

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