Rocket Engines
Rocket engines are propulsion systems that generate thrust by expelling mass in the opposite direction of the desired movement. They are used to power rockets and spacecraft, and are crucial for space exploration. Rocket engines come in different types, including liquid-fueled, solid-fueled, and hybrid engines. Liquid-fueled engines use liquid propellants, such as liquid hydrogen and liquid oxygen, which are stored separately and mixed in a combustion chamber to produce hot gases that create thrust. Solid-fueled engines use solid propellants, such as ammonium perchlorate and aluminum powder, which are mixed together and ignited to produce thrust. Hybrid engines use a combination of liquid and solid propellants. Rocket engines are designed to provide high thrust-to-weight ratios and operate in extreme conditions, such as vacuum and high temperatures.
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