Calculate the specific power

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Reference no: EM131401265

For the rocket in Problem 2, calculate the specific power, assuming a propulsion system dry mass of 80 kg and a duration of 3 min.

Problem 2

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 propellant, 6.911 MJ/kg. Assume 100% combustion efficiency. Determine

(a) the effective velocity;

(b) the kinetic jet energy rate per unit flow of propellant;

(d) the propulsive efficiency;

(e) the overall efficiency;

(f) the specific impulse;

(g) the specific propellant consumption.

Reference no: EM131401265

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