Answer to Question #150959 in Mechanical Engineering for Yogendra Shivankar

Question

A classic hybrid propulsion system has the following characteristics:

Propellants: HTPB/LOX

Nominal Burn Time: 20 Seconds

Initial Chamber Pressure: 600psi

Initial mixture ratio: 2.0

Initial nozzle exit area ratio: 10

Fuel grain outside dia: 12in

Grain Geometry: Single cylinder case bonded

Initial HTPB Temp: 65F

Determine:

-Initial and Final Thrust

-Specific Impulse

-Propellant Masses

-Useful Propellant

Answer 1

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