Consider the design of a turbojet engine intended to produce a thrust of 25,000-lb at a takeoff velocity 220-ft/s at sea level. At takeoff, the gas velocity at the exit of the engine (relative to the engine) is 1,700-ft/s. The fuel-air ratio by mass is 0.03. The exit pressure is equal to the ambient pressure. Calculate the area of the inlet to the engine necessary to obtain this thrust. The area of the inlet to the engine necessary to obtain a thrust of 25,000-lb. (in ft^2)

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Consider the design of a turbojet engine intended to produce a thrust of 25,000-lb at a takeoff velocity 220-ft/s at sea level. At takeoff, the gas velocity at the exit of the engine (relative to the engine) is 1,700-ft/s. The fuel-air ratio by mass is 0.03. The exit pressure is equal to the ambient pressure. Calculate the area of the inlet to the engine necessary to obtain this thrust.

The area of the inlet to the engine necessary to obtain a thrust of 25,000-lb. (in ft^2)

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