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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?
a frictionless pulley has the shape of a uniform solid disk of mass 6.00kg and radius 19.0cm . a 3.40kg stone is
liquid water enters a 25-kw pump at 100-kpa pressure at a rate of 5 kgs. determine the highest pressure the liquid
determine (a) the compression ratio, (b) the cycle efficiency, (c) exhaust temperature, and (d) mean effective pressure (kPa). Draw (e) a P-v diagram and (f) a T-s diagram
consider an nhl regulation hockey puck 3 inches in diameter and 1 inch thick 7.62 cm by 2.54 cm. determine the surface
water flows through a 20-cm commercial steel pipe at 20 degrees celsius. the flow rate is 80 liters per second and
calculate the radius of a vanadium atom given that v has a bcc crystal structure a density of 5.96gcm3 and an atomic
a wall constructed of three layers is to be considered. the inner surface of the wall is maintained at 23 c and the
nitrogen at 100c and 600 kpa expands in such a way that it can be approximated by a polytropic process with n 1.2.
what would happen if you place a 1m by 2 m sheet of aluminum extruded and place it on the roof of your car driving at
consider some hypothetical x - y - ion pair for which the equilibrium interionic spacing and bonding energy values are
the compression ration in an air-standard otto cycle is 8. at the begining of the compression stroke the pressure is
air initially at a dry-bulb temperature of 45oc and relative humidity of 10 is adiabatically humidified to 60 relative
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