A Turbojet-engined aircraft flies at 350m/s at an altitude of 9000 m. The pressure at this...

A Turbojet-engined aircraft flies at 350m/s at an altitude of 9000 m. The pressure at this height is 30 kPa and the temperature is-32⁰ C. The pressure ratio of the compressor is 12, the turbine input temperature is 1400 K. Air enters the compressor with a flow of 60 kg/s and the heat value of the fuel is 42 700 kJ/kg. Admitting that adiabatic efficiency of compressor, turbine and Lule is 100% and specific temperatures are constant at room temperature,
a) The speed at which the combustion end gases exit the engine,
b) Reaction force,
c) Calculate the amount of fuel consumed in Unit time. (k=1.4 Cp=1.005 kj/kgK )

Expert Solution

samet mamat answered 1 year ago

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