Coolants
Coolants are substances used to remove heat from a system or a device. In the context of space and astronautical engineering, coolants are used to regulate the temperature of spacecraft and their components. The extreme temperatures in space can cause damage to the spacecraft and its equipment, and coolants are used to prevent this. Coolants can be either liquids or gases, and they are circulated through the spacecraft's cooling system to absorb heat and transfer it away from the components. The most commonly used coolant in space is ammonia, which has a high heat capacity and can operate at low temperatures. Other coolants used in space include water, carbon dioxide, and helium. The selection of a coolant depends on the specific requirements of the spacecraft and the mission it is designed for.
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