Liquid Fuel Rocket

Overview

Liquid Fuel Rocket/ Liquid Rocket is a rocket with a Rocket engine that uses a Liquid propellant  Liquids are desirable because they have relatively high density and high specific impulse. Usage of liquid tanks allows the volume of propellant tanks to be relatively low.

What is a Liquid Rocket Engine ?

A liquid Rocket Engine is a Rocket engine that uses liquid as a fuel for combustion. In a liquid rocket, stored fuel and stored oxidizer are pumped into a combustion chamber where they are mixed and burned. The combustion produces great amounts of exhaust gas at high temperatures and pressure. The hot exhaust is passed through a nozzle which accelerates the flow. Thrust is produced according to Newton's third law of motion.

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Ae

m

nozzel

Ve

pe

throat

exit - e

po

exhaust

fuel

oxidizer

pumps

V = Velocity

m = mass flow rate

p = pressure

Thrust = F = mVe + (pe - po)Ae

Where is it Used ?

Liquid rocket engines are used on the Space Shuttle to place humans in orbit, on many un-manned missiles to place satellites in orbit, and on several high-speed research aircraft.

How does the Engine work ?

Liquid rocket engines are used on the Space Shuttle to place humans in orbit, on many un-manned missiles to place satellites in orbit, and on several high-speed research aircraft.