Question

1. Air and fuel enter a turbojet engine (turbine) having an enthalpy of 800 kJ/kg and a relative velocity is 15 m/s.The mixture exits with a relative velocity of 60m/s and an enthalpy of 650 kJ/kg. The mass flow rate is 30 kg/s, and the rate of heat loss is 1.5 kJ/s. what is the power output of the engine? (Hint: Lecture notes)

Fig: 1

Fig: 2

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