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INTRODUCTION What is Cryogenics? Cryogenic fuels can be used as rocket engine fuel. Cryogenic Engines are rocket motors.
HISTORY Space travel was mainly developed by the Russians and the Americans. Russian’s were the first to reach into the space. Solid-fuel rocket engines were the first engines created by man. All the current Rockets run on Liquid-propellant rockets. The first operational cryogenic rocket engine RL10 rocket engine.
SPACE PROPULSION SYSTEM Spacecraft propulsion is any method used to accelerate spacecraft and artificial satellites. Rocket Engines Interplanetary vehicles mostly use chemical rockets as well. Cryogenic Engine is also in use.
CRYOGENIC FUELS Cryogenic propellant - the fuel and the oxidizer super cooled gases -temperature lower than the freezing point. To store them is difficult task cooling and compressing them into liquids, we can vastly increase their density and make it possible to store them in large quantities in smaller tanks. Nitrogen, hydrogen, oxygen, helium argon, neon, etc, Liquid oxygen being the oxidizer and liquid hydrogen being the fuel. Liquid oxygen boils at 297oF and liquid hydrogen boils at 423oF.
Components Of Cryogenic Rocket Engine Thrust chamber or combustion chamber Igniter Fuel injector Fuel turbo-pumps Valves Regulators Fuel tanks Rocket engine NozzleAmong them, the combustion chamber & the nozzle are themain components of the rocket engine.
ROCKET ENGINE POWER CYCLES1. Gas pressure feed system
CONCLUSION• The area of Cryogenics in Cryogenic Rocket Engines is a vast one.• Developments in the field of Rocket Engineering.• Cryo propelled rocket engines are having a great demand in the field of space exploration.• Due to the high specific impulse obtained during the ignition of fuels they are of much demand.