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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?
for the fluid power system shown in figure determine the external load f that the hydraulic cylinder can sustain while
if a 150 lbf person wants to bungee jump from a bridge that is 400 feet above the surface of a river and the bungee
a cold-air standard open brayton cycle operates with a compressor pressure ratio of 12. air enters the compressor at
Use Psychrometric chart to determine Latent portion
air enters a compressor at 105 kpa and 300 k with a volumetric flow rate of 12 m3min and exits at 1200 kpa and 400 k.
a mass of 10 kg is vertically accelerated from rest to 10 ms through a height of 100 m. the internal energy of the mass
incoming air flow of 200 m3h at a temperature of 20oc and a humidity ratio of 0.012 kgvkga is mixed in a chamber with
Niobium forms a substitutional solid solution with vanadium. Compute the weight percent of niobium that must be added to vanadium to yield an alloy that contains 1.55 x 1022 Nb atoms per cubic centimeter. The densities of pure Nb and V are 8.57 an..
an internal crack has been detected with ultrasonics in the shell of a large cylindrical steel pressure vessel. the
saturated liquid refrigerant r-134a at 11.59 bar enters an adiabatic throttling valve which drops the pressure to 4.00
a large two-stage liquid rocket with mass of 30000 kg is to be launched from a sea-level launch pad. the main engine
counters a and b are non-paralyzable with dead times of 30 or 100 microseconds respectively. at what true event rate
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