Working of Fission Propulsion
The Fuel rod is the reactors are bombarded with particle like neutron, and fission process starts. It produces energy is the form of heat. This heat is given to propellant. The propellant gets heated up and gives a high amount of gaseous products. These gases when passed through nozzle, provides thrust to the rocket.
(i) Fission is uncontrolled reaction. So, possibility of explosion of rocket is more. So, careful designing is needed.
(ii) Products formed are usually radioactive and they are a threat to environment.
Let us see the next nuclear propulsion technique- Fusion propulsion..