Propulsive Efficiency of a Turbo-Jet Engine - GATE 2009 Aerospace Engineering Question 8 | Examprev.com

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Aerospace Engineering > GATE 2009 > Engine Performance

The propulsive efficiency of a turbo-jet engine moving at velocity U_∞ and having exhaust velocity U_e
with respect to the engine is given by

A

²_{U_∞/U_e+1}

B

1-^U_∞_{U_e}

C

^2U_∞U_e_{U_e²+U_∞²}

D

^2U_∞_{U_e+U_∞}

Correct : d

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