What mechanism is used in spacecraft fuel tanks to manage liquid behavior in the absence of gravity?
Answer
Propellant management devices like vanes or bladders
In a microgravity environment, the force of gravity is absent, which means liquids do not settle at the bottom of a container as they do on Earth. Instead, surface tension causes fluids to cling to the walls of the tank. To ensure fuel can be reliably delivered to engines, spacecraft utilize specific propellant management devices, such as internal vanes or flexible bladders, which manipulate the fuel's position and ensure it flows into the engine feed lines.
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