Working Fluid
In space and astronautical engineering, a working fluid is a gas or liquid that is used to transfer energy in a system. It is typically used in a closed-loop system where it is heated or cooled to transfer energy from one component to another. Working fluids are commonly used in thermal control systems, such as those used to regulate the temperature of spacecraft and satellites. They are also used in propulsion systems, such as those used to power rockets and spacecraft engines. The choice of working fluid depends on the specific application and the operating conditions of the system. Factors such as temperature range, pressure range, and chemical compatibility must be considered when selecting a working fluid.
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