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Coolant

Coolant is a substance, typically a liquid or gas, used to absorb and transfer heat away from a system or component to prevent overheating and maintain optimal operating temperatures. Primarily used in engines, industrial machinery, and electronic devices, coolants regulate temperature through a variety of mechanisms, including convection, conduction, and sometimes phase changes. Effective coolants possess properties such as high thermal capacity, low viscosity, chemical stability, and corrosion resistance to ensure longevity and efficient heat removal. They are crucial for preventing damage, maintaining performance, and extending the lifespan of equipment.

Coolant meaning with examples

  • The car's radiator relies on a mixture of water and antifreeze, the coolant, to circulate through the engine and absorb excess heat generated by combustion. This heated coolant then flows to the radiator, where it is cooled by air passing through the fins, preventing the engine from overheating and causing significant damage. The car needs an annual flush of the coolant to refresh its heat-transfer ability.
  • In a data center, powerful servers generate immense amounts of heat. Liquid coolant, often a specialized dielectric fluid, is pumped through channels within the server racks, directly contacting the processors and memory modules. This process helps in transferring the heat. The heated coolant then gets moved to a heat exchanger, where it's cooled before being recirculated, maintaining stable operating conditions.
  • Industrial chillers use refrigerants as coolant to cool manufacturing processes such as plastic molding and metalworking. The refrigerant circulates through the chiller, absorbing heat from the process and then releasing it to the environment through a condenser. These coolants allow for precise temperature control, ensuring consistent product quality, and preventing damage to sensitive equipment in the plant.
  • Electronic devices, from laptops to gaming consoles, employ various cooling systems. Heat sinks with integrated heat pipes use specialized coolants to carry heat away from processors and graphics cards to dissipate heat efficiently. Without effective cooling, the components would quickly overheat, leading to performance throttling, system instability, and possible component failure.

Coolant Crossword Answers

3 Letters

ICE

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