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An axial flow compressor stage has blade root,mean and tip velocities of 150,200 and 250 m/s. The stage is to be designed for a stagnation temperature rise of 20K and axial velocity of 150 m/s, both constant from root to tip. The work-done factor is 0.93. Assuming %50 reaction at mean radius, calculate the stage air angles at root?
one pound-mass of air at 78 degrees f and 75 psia is contained in a piston-cylinder device. during a reversible process
Design value for the molded friction material and steel disks to be used 0.06 and pressure max=1400kpa. Determine appropriate values for the disk inside dimmeter, the total number of disks and the actuating force?
100 cubic feet of an ideal gas goes from a pressure of 20 psig and temperature of 80 deg f to a pressure of 100psig and
a 25-hp 240-v 77.8-a shunt motor has an armature resstence of 0.083 ohms and a field-circuit resistance of 125 ohms.
a 15-mm od copper tube conveys hot hydraulic oil. in order to dissipate the heat and cool the oil someone suggests that
at steady state a device receives a stream of saturated water vapor at 210 degrees c and discharges a condensate stream
the acceleration due to gravity at an altitude y above the surface of the earth is given byymnbspnbspnbsp
the rope winds at a constant velocity of 5ms and the 3kg block b creates a force on the arm aa. how long does it take
r-22 enters an insulated diffuser as saturated vapor at 4c with a velocity of 300ms. the refrigerant exits the diffuser
consider heat transfer to a turbulent boundary layer with no pressure gradient or transpiration but with a vanishingly
1. imagine a thin cylinder of initial internal diameter do initial wall thickness to and initial fixed length
If the cycle operates in steady flow with a power output of 20 kW, what is the steam flow rate?
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