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A centrifugal air compressor is driven at 40,300 rpm. The inlet eye of the compressor has a hub diameter of 2.09 in and an an outer diameter of 4.56 in. The impeller tip diameter is 6.97 in. It has been found the compressor ratio is 2.44 and the air flow rate is 2.35 lb/sec when supplied with air at 14.7 psia and 81.3 degrees Fahrenheit. If the compressor has a slip factor of .87 and a stage efficiency of .8; what is the isentropic stagnation pressure rise across the compressor with slip? What horsepower will be required to drive the compressor? What will the stagnation temperature of air be at the exit of this compressor?
How much oil must be released from a press cylinder with a 20 in bore to relieve the pressure from 2800 psi to 0 psi if the ram is extended 20 in? The compressibility of the fluid is .525% per thousand psi.
the following factors need to be tested through a doe. it deals with a product made from these constituents. the
Select a correct statement of the first law of thermodynamics, and briefly explain why:
A helical compression spring made from hard drawn wire needs to be designed to fit inside a 50mm cylindrical cavity and there must be enough space inside the coils for a 20mm cylindrical guide rod.
liquid waterh2o at 200 kpa and 20oc is heated in a chmaber by mixing it with a steam h20 at 200 kpa and 150oc. the
consider a large furnace that can supply energy in the form of heat at 2000 r at a steady rate of 3000 btus. determine
an aluminum cube initially at 400oc with a dimension of 2 cm on each side is cooled using 30oc air with a convection
Two slender rods of negligible weight are pin-connected at A and attached to the 18-lb block B and the 80-lb block C. The coefficient of static friction is 0.55 between all surfaces of contact. Determine the range of values of P for which equilibr..
air is compressed in a piston-cylinder assembly from p1 10lbfin.2 t1 500or to a final volume of v2 1 ft3 in a process
Determining Feasibility, At steady state, a new power cycle is claimed by its inventor to develop 6 horsepower for a heat addition rate of 400 Btu/min
(a) Find the angular velocity of link CD and the velocity of the pin relative to the slot in link CD. (b) Find the angular acceleration of link CD and the acceleration of the pin relative to the slot in link CD.
determine the expected diffraction angle for the first order reflection from the 310 set of planes for cr when
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