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The initial design of an IFR turbine is to be based upon Whitfield's procedure for optimum efficiency. The turbine is to be supplied with 2.2 kg/s of air, a stagnation pressure of 250 kPa, a stagnation temperature of 800°C, and have an output power of 450 kW. At turbine exit the static pressure is 105 kPA. Assuming for air that γ = 1.33 and R = 287 J/kg K, determine the value of Whitfield's power ratio, S, and the total-to-static efficiency of the turbine.
rod oa rotates counterclockwise with a constant angular velocity of u . 5 radgt s. the double collar b is
a 2 cm-thick composite plate has electric heating wires arranged in a grid in its centerplane. on one side there is air
determine the critical crack length for an internal crack in a thick 2024-t6 alloy plate that has a racture toughness
one kilogram of carbon dioxide co2 gas m 44.01 kgkmol is filled in a frictionless piston-cylinder assembly. the piston
a pump accepts liquid water at 60 acircdegf and 14 psia and compresses it to a pressure of 100 psia. the pump has a
a refrigerator cycle has a cop of 3 and removes 100kw of heat from a building which is kept at 23c. the device rejects
initially an insulated rigid tank contains 2.01 kg of water at 277.7oc and 1 mpa. a heater in the wall of the tank
Three children are standing on a 5×5-m raft. The weights of the children at Points A, B, and C are 375 N, 260 N, and 400 N, respectively. If a fourth child of weight 425 N climbs onto the raft, determine where she should stand if the other children r..
how its co officent of perfomance define
What kind(s) of mechanism (include barker classification if applicable) might be best to use for the following applications? Converting a rotating gear motion into the intermittent motion of a second hand on a watch. Converting the motion of a motor ..
Teresa measures the distance that a traverse system moves an object for a given computer-controlled input pulse. She makes 100 readings, and the mean value is 6.832 m with a sample standard deviation of 1.0 cm. The errors in the measurements are assu..
Galvanized iron drainpipes of diameter 50 mm are located at the four corners of a building, but three of them become clogged with debris. Find the rate of downpour (cm/min) at which a single functioning drainpipe can no longer drain the roof.
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