5. During the flight, the air speed of a turbojet engine is 250 m/s. The ambient air temperature is - 14°C. The exhaust gas temperature at the outlet of the nozzle is 610°C. Corresponding enthalpy values for air and exhaust gas are respectively 250 kJ/kg and 900 kJ/kg. The fuel-air ratio is 0.0180. The chemical energy of the fuel is 45 MJ/kg. Heat loss from the engine is 21 kJ/kg of air. Calculate the velocity of the exhaust gas in m/s from the jet.

5. During the flight, the air speed of a turbojet engine is 250 m/s. The ambient air temperature is - 14°C. The exhaust gas temperature at the outlet of the nozzle is 610°C. Corresponding enthalpy values for air and exhaust gas are respectively 250 kJ/kg and 900 kJ/kg. The fuel-air ratio is 0.0180. The chemical energy of the fuel is 45 MJ/kg. Heat loss from the engine is 21 kJ/kg of air. Calculate the velocity of the exhaust gas in m/s from the jet.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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