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A jet plane cruises at a speed of 980 km/hr. air enters the turbojet engines at 0.73 bar, 230 k. the pressure ratio across the compressor is 10 and the turbine inlet temperature is 1650 k. the diameter of the engine is 1.2 m. using typical assumptions for all the components and 100% component effeciencies, determine:
a) the mass flow rate of air
b) the specific enthalpies at the entrance and exit of all the components
c) the exit velocity of the gases.
d) the heat supplied by the fuel
e) the thrust of the engine
An air compressor compresses air from 1 bar and 300 K to 5 bar and 540 K. The velocity at the inlet is 70 m/s and the velocity at the exit is 150 m/s. If To = 300 K and Po = 1bar.
apply the first law of thermodynamica eq 1 to a finite volume element in a stationary solid. let rt be the temperature
estimate the amount of fuel needed to travel from buffalo to rochester if your brand new silver concept car has a drag
estimate the potential problems with a plant effluent that contains a pesticide with an lc50 for fish of 0.01 mgl at
neil a. armstrong was the first person to walk on the moon. the distance between the earth and the moon is 3.85 108 m.
stack gases exhausting from electrical power plants are at approximately 150 c. design a basic rankine cycle that uses
An engineer determines that a 40 cm long rod of 1020 grade steel will be subjected to a tension of 20 kN.
The Molar Volume of Al2O3 at 25 Degrees Celsius and 1 atm is 25.715 cc/mol. Its coefficient of thermal expansion is 26 x10^-6 K^-1 and the coefficient of compressibility is 8.0 x10^-7 atm^-1. Estimate the molar volume of Al2O3 at 400 degrees Celsius ..
A quantity of propane is contained in a piston-cylinder assembly. this working fluid undergoes a process starting from an initial state of 2.0 mpa and 60oc. at the end of the process the pressure of the propane is 1.0 mpa and the specific entropy is ..
a 25kg steel tank having a volume capacity of 250 litres is filled with liquid water at room temperature. what is need
To make strawberry jam, crushed strawberries and sugar are mixed in a 45:55 mass ratio, and the mixture is heated to evaporate water until the residue contains one-third water by mass. Calculate how many pounds of strawberries are needed to make a..
Determine the smallest horizontal force required to pull out wedge A. The crate has a weight of 200 and the coefficient of static friction at all contacting surfaces is = 0.7. Neglect the weight of the wedge.
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