The detailed answer addresses fuel ignition and combustion, requirements of practical fuel, comparison of turbojet and rocket engines, and types of fuels for rocket engines.
Fuel Ignition and Combustion: In the process of fuel ignition and combustion, air is compressed leading to a high pressure, and fuel is added. The fuel-air mixture is then ignited, initiating a combustion process that transforms the energy bound in the fuel to high-temperature gas.
Requirements of a Practical Fuel: A practical fuel must have properties such as high energy content, stability, availability, and compatibility with the engine design.
Turbojet vs. Rocket Engines: Turbojet engines are air-breathing engines that require atmospheric oxygen, while rocket engines carry their own oxidizer, enabling them to operate in space. Rocket engines are more suitable for space travel due to their self-sufficiency.
Types of Fuels for Rocket Engines: Suitable fuels for rocket engines include liquid hydrogen, kerosene, and hydrazine, among others.
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