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-9 Jet Porpulsion - Applied Thermodybnamics Consider an aircraft powered by a turbojet engine that has a pressure ratio of 9. The aircraft is stationary on the ground, held in position by its brakes. The ambient air is at 17°C and 95 kPa and enters the engine at a rate of 17 kg/s. The jet fuel has a heating value of 42700 kJ/kg, and it is burned completely at a rate of 0.5 kg/s. Neglecting the effect of the diffuser and disregarding the slight increase in mass at the engine exit as well as the inefficiencies of engine components, determine the force that must be applied on the brakes to hold the plane stationary. Use data from the tables.   Question: The force that must be applied on the brakes is ____N.

-9 Jet Porpulsion - Applied Thermodybnamics Consider an aircraft powered by a turbojet engine that has a pressure ratio of 9. The aircraft is stationary on the ground, held in position by its brakes. The ambient air is at 17°C and 95 kPa and enters the engine at a rate of 17 kg/s. The jet fuel has a heating value of 42700 kJ/kg, and it is burned completely at a rate of 0.5 kg/s. Neglecting the effect of the diffuser and disregarding the slight increase in mass at the engine exit as well as the inefficiencies of engine components, determine the force that must be applied on the brakes to hold the plane stationary. Use data from the tables.   Question: The force that must be applied on the brakes is ____N.

Elements Of Electromagnetics
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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5-9 Jet Porpulsion - Applied Thermodybnamics

Consider an aircraft powered by a turbojet engine that has a pressure ratio of 9. The aircraft is stationary on the ground, held in position by its brakes. The ambient air is at 17°C and 95 kPa and enters the engine at a rate of 17 kg/s. The jet fuel has a heating value of 42700 kJ/kg, and it is burned completely at a rate of 0.5 kg/s. Neglecting the effect of the diffuser and disregarding the slight increase in mass at the engine exit as well as the inefficiencies of engine components, determine the force that must be applied on the brakes to hold the plane stationary. Use data from the tables.

 

Question: The force that must be applied on the brakes is ____N.

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