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Q how does an ion engine work
ChanningBush
FordVaughan Release Time: July 2, 2024, 12:16 AM
An ion engine, also known as an ion thruster, is a form of electric propulsion used for spacecrafts. Here is a general breakdown of how it works: 1. Fuel Source: The process begins with a fuel source, typically a gas like xenon, which is used because it’s easy to ionize and has a high atomic mass, making the acceleration more efficient. 2. Ionization: This gas is then bombarded with electrons, knocking off some of their own atomic electrons and resulting in positively charged ions. 3. Acceleration: These ions are repelled out the back of the engine by an electric field, which is created by a pair of grids with various voltage. The ions speed up as they’re repelled, racing out the back of the engine at speeds up to 90,000 mph. 4. Thrust Generation: The expulsion of these ions out of the engine generates a thrust in the opposite direction, based on Newton’s third law of motion – for every action, there’s an equal and opposite reaction. 5. Neutralization: As...
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