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1. Endurance is defined as the maximum time the aircraft can stay in the air. Show that in order to achieve endurance, an aircraft driven by a turbo jet has to fly at minimum drag speed, i.e. V = VEmd, while a propeller driven aircraft should fly at a speed of minimum required power. You may assume both engines are ideal and account only for the steady level flight phase. (Hint: For a turbo jet SFC is the ratio of the mass flow rate with the net thrust and for propeller engine SFC is the ratio of the mass flow rate with the engine's power)

1. Endurance is defined as the maximum time the aircraft can stay in the air. Show that in order to achieve endurance, an aircraft driven by a turbo jet has to fly at minimum drag speed, i.e. V = VEmd, while a propeller driven aircraft should fly at a speed of minimum required power. You may assume both engines are ideal and account only for the steady level flight phase. (Hint: For a turbo jet SFC is the ratio of the mass flow rate with the net thrust and for propeller engine SFC is the ratio of the mass flow rate with the engine's power)

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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1. Endurance is defined as the maximum time the aircraft can stay in the air. Show that in order to achieve endurance, an aircraft driven by a turbo jet has to fly at minimum drag speed, i.e. V = VEmd, while a propeller driven aircraft should fly at a speed of minimum required power. You may assume both engines are ideal and account only for the steady level flight phase. (Hint: For a turbo jet SFC is the ratio of the mass flow rate with the net thrust and for propeller engine SFC is the ratio of the mass flow rate with the engine's power)
Transcribed Image Text:1. Endurance is defined as the maximum time the aircraft can stay in the air. Show that in order to achieve endurance, an aircraft driven by a turbo jet has to fly at minimum drag speed, i.e. V = VEmd, while a propeller driven aircraft should fly at a speed of minimum required power. You may assume both engines are ideal and account only for the steady level flight phase. (Hint: For a turbo jet SFC is the ratio of the mass flow rate with the net thrust and for propeller engine SFC is the ratio of the mass flow rate with the engine's power)
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