In the aerospace context, absorption refers to the process by which a substance absorbs or takes in another substance. This can occur through chemical reactions, physical processes, or a combination of both.
Here are some examples of absorption in the aerospace context:
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Fuel absorption: When an aircraft is in flight, it consumes fuel, which is stored in tanks within the aircraft. As the fuel is used, it is absorbed by the engine, providing the energy needed to power the aircraft.
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Heat absorption: Aerospace materials, such as the tiles on the surface of the Space Shuttle, are designed to absorb heat. These materials are able to withstand the extreme temperatures encountered during reentry into the Earth's atmosphere by absorbing the heat and dissipating it over a large surface area.
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Sound absorption: Aerospace engineers use materials that are able to absorb sound in order to reduce noise levels inside the cabin of an aircraft. These materials, such as insulation and sound-absorbing panels, are designed to absorb sound waves, making the cabin more comfortable for passengers.
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Light absorption: Some aerospace materials are designed to absorb light in order to reduce glare and improve visibility. For example, anti-reflective coatings on aircraft windows are designed to absorb light, reducing the amount of glare and making it easier for pilots to see through the windows.