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नासा की आयन प्रोपल्शन प्रणाली NASAs ion propulsion systemionpropulsion ytshorts
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नासा की आयन प्रोपल्शन प्रणाली | NASA's ion propulsion system|#ionpropulsion #ytshorts • Ion propulsion is a form of electric propulsion used for spacecraft. It works by accelerating ions (charged particles) using electric fields to produce thrust. Here’s a brief overview of its key aspects: • 1. **Principle**: Ion thrusters generate thrust by ionizing a propellant (usually xenon), then accelerating the ions through an electric field. The accelerated ions are ejected at high speeds, creating thrust due to Newton's third law of motion. • 2. **Components**: • **Ionization Chamber**: Where the propellant is ionized. • **Electrodes**: Used to accelerate the ions. • **Neutralizer**: Emits electrons to neutralize the ion beam and prevent the spacecraft from becoming charged. • 3. **Advantages**: • **High Efficiency**: Ion thrusters have a higher specific impulse (measure of propulsion efficiency) compared to chemical rockets, meaning they can achieve more thrust per unit of propellant. • **Long Duration**: Ideal for long-duration missions due to their efficient use of propellant. • 4. **Disadvantages**: • **Low Thrust**: Ion thrusters produce low thrust, so they are not suitable for rapid maneuvers or lifting off from planetary surfaces. • **Complexity**: The technology and power systems required for ion propulsion are complex and costly. • 5. **Applications**: Ion propulsion is used in deep-space missions, satellite station-keeping, and other applications where long-term efficiency is crucial. Notable examples include NASA’s Dawn spacecraft and the European Space Agency’s BepiColombo mission. • Overall, ion propulsion represents a significant advancement in space travel technology, enabling missions that would be impractical with traditional chemical propulsion. • #ionizationenergy #ionpropulsion #nasa #universe #spaceknoweldge #xenon #electron #neutralizer #magneticring #cathodechamber #newtonslawofmotion
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