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;
(c) the internal efficiency;
(d) the propulsive efficiency;
(e) the overall efficiency;
(f) the specific impulse;
(g) the specific propellant consumption.
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Calculate the specific power
: 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.
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