Science Fair Essay

1117 words - 5 pages

The project that will be tested is called The Effect of the Ion Engine propulsion system on a Space Shuttle launch. To effectively understand the project background information will be needed. The observers will need to understand the following terms which are: ions, ion engine, conservation of momentum, atoms, ionization and Newton’s law. It is also important to effectively understand why an ion system would be used and why it is the best, as well as being knowledgeable about the different components.
An ion is a “electrically charged atom or groups of atoms”. (works, 2009)Referring to positively and negatively charged atoms that are used to form an ion. A document discusses how in order for an atom to become an negative ion it has to receive/gain electrons. However for a atom to become a positive ion it has to lose electrons. Another name for a negative ion is anion and another name for a positive ion is cation. This is also known as the Ionization process. Ionization in general can take place in an liquid, solid, and/or gases. Ions are also known to form when a dissociation is occurred. When this particular process begins to occur oppositely charged ions begin to dissolve for example in water or another form of solvent. These are known as electrolytes When a These terms are important to know because the experiment deals with an ion space system. Including but not limiting to acids, bases, and salts. These are often a good conductor for electricity which is why they are typically used for these space engines. (works, 2009). It is important to understand the ion and how it is formed and why it reacts because it is used in our experiment. Which would help to better understand what everything is talking about. Especially since the project revolves around the Ion engine.
Ion engines are very valuable for the space shuttles. Due to the fact that Ion provides more velocity than a chemical propulsion could achieve. Which would help save on fuel and be more efficient in the success of the rockets. However a flaw in the system would be that they have an extremely low-thrust which is due partially to the fact that they are equipped with their own form of energy. (Simberg R. , 2012) Its thrust is limited. As well as the ion propulsion being geared toward an electrical system. An ion propulsion is when electrons are taken away or in other cases added to some form of noble gas. (Simberg R. , 2012)Giving it a new electrical charge. This helps the ion engine to accelerate then the system uses it and uses it to propel itself using the thruster. Thus creating velocities that over power the chemical propulsion the amount depends on the chemical. In the project ion engines will be used to demonstrate and collect data to measure its effectiveness. Therefore it is important to understand how the engine works as well as its pro’s and con’s.
Conservation of Momentum is how an object preserves/saves the amount of force used to propel it to a certain distance. (Nave)...

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