Question

6. Please, sketch the scheme of pressure-fed rocket rocker engine feeding system and one chosen system based on turbo pumps as well. Mark and sign each element of a systems. Describe how those system work and what are their main caracteristic features. (Non-anonymous question ) 5}(5 Points)

Answer 1

There can but are used for are . These systems maneuver, st be reliable with few parts, systems typically heavy because of pressurized tenks orbit primarily orbit insertion, altitude control reaction propulsion small upper Control and There are factors influencing pressurant Hequirements :- 7 Propellent vapovi z ation tank wall tempe vapor solubility of pressurization ullage gas compression operational ratwe condensation gas chemical Reaction Turbulence es sure temu are classified to accordi Pressure feel systems in ording pressweant sources 1) Monopropellant systems - sags uses a single propellant (hydrazine) flowing through catalyst bed pripr to expanding converging si verging !!) Bipoo pell ant systems both of which requires pressurant system propellant nozzle. em and oxidizer tant oploys oys fuel tank to expel ed the a into feed system.

stem - Turbopump syst The pump fed system generally system uses a furbo pump thrust to pressurize and feed the propellants into Relatively high pressure chamber at Relo on one more The turbo pump typically consists of The energy turbine by mixtures which are şumping system celem ents) driven to power turbine itself is provided by expansion of high pressure gases, usually being pumped Schematic + elements working on j Turbine-Derives energy from fluid producing power of propellants be Housing pump Discharge Turbine Inlet to rotate pump 11) Pu Adds energy pressure) to pro pellant via sotation. coupling/spline, Propellant Thrust Piston seals bearing 1) Coupling splines - turbine pump inlet aus charge Trans mit torque between Rotating eleme to low pressure zones. seals - prevents leakage from high Bearings- Toansmit loads from rotor assembly tost housing elements Tv 1) tationary