Question

The following data are given for a certain rocket unit: thrust, 8896 N; propellant
consumption, 3.867 kg/sec; velocity of vehicle, 400 m/sec; energy content of propel-
lant, 6.911 MJ/kg. Assume 100% combustion efficiency.
Determine (a) the effective velocity; (b) the kinetic jet energy rate per unit flow of
propellant; (c) the internal efficiency; (d) the propulsive efficiency; (e) the overall
efficiency; () the specific impulse; (g) the specific propellant consumption
Answers: (a) 2300 m/sec; (b) 2.645 MJ-sec/kg; (c) 38.3%; (d) 33.7%; (e) 13.3%;
234.7 sec; (g) 0.00426 sec-1.​

Answer 1

Answer:

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Explanation:

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