S.1 Spacecraft Propulsion Systems Chapter 1: Introduction to ...

S.10 Chemical Propulsion
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Chemical Propulsion is based on the principle of converting chemical energy into kinetic
energy of the exhaust gases in a nozzle of a rocket propulsion device.
Typically, rockets using solid propellants are called motors and rockets using liquids are
called engines. The term thruster is used for small thrust applications, e.g. in spacecraft
auxiliary propulsion systems.
Rocket propulsion device basic parts