range and endurance performance are functions of fuel consumption the thrust is

# Range and endurance performance are functions of fuel

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range and endurance performance are functions of fuel consumption, the thrust is of prime interest… (Dole, C. E., Lewis, J. E., Badick, J. R., & Johnson, B. A, Chapter 6 ) Engineers use an equation called the Propulsion Efficiency Equation. According to Newton’s 3rd Law, for every force, there is an equal but opposite equal reaction. As our flight velocity (V2) and thrust increases, our propulsion efficiency goes down. (Dole, C. E., Lewis, J. E., Badick, J. R., & Johnson, B. A, Chapter 6 ) After the engines are producing thrust, they produce kinetic energy, which then creates an exhaust airstream known as kinetic energy. When this kinetic energy is leaving the engine from the exhaust, this results in a decrease in the efficiency of the engine. (Dole, C. E., Lewis, J. E., Badick, J. R., & Johnson, B. A, Chapter 6 ) Because of the reaction of this process when the engine increases in performance, it has a decrease in efficiency, especially in today's day in age, engineers are constantly trying to battle this issue when creating engines because these are both two desireable factors of an engine.

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2 Reference Dole, C. E., Lewis, J. E., Badick, J. R., & Johnson, B. A. (2017). Flight theory and aerodynamics: a practical guide for operational safety . Hoboken, NJ: John Wiley & Sons Inc.
• Spring '11
• JamesErnieRogers
• Energy, Force, Internal combustion engine

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