Coolant
Coolant is a substance that is used to remove heat from a system or a device to prevent overheating and damage. In the context of space and astronautical engineering, coolant is used in various systems such as spacecraft thermal control systems, rocket engines, and space suits. The extreme temperatures and vacuum conditions of space make thermal management a critical aspect of space missions. Coolants used in space applications must be able to withstand the harsh environment and maintain their properties over a wide range of temperatures. Common coolants used in space applications include water, ammonia, and various types of gases. The choice of coolant depends on the specific application and the temperature range it needs to operate in. The effectiveness of a coolant is measured by its thermal conductivity, specific heat capacity, and viscosity.
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