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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)

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.3: The Natural Exponential Function
Problem 44E
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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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