| 单词 | coolant |
| 释义 | coolant A fluid used to remove heat from a system by convection (usually forced), either to control the temperature or to extract energy. In a water-cooled car engine the coolant is water (or water and antifreeze), which is pumped around the engine and cooled in the radiator. In a nuclear reactor the coolant is used to transfer the heat of the reaction from the core to a heat exchanger or to the steam-raising plant. In gas-cooled reactors the coolant is usually carbon dioxide. Pressurized water or boiling water is used as both coolant and moderator in several types of reactor. In fast reactors, liquid sodium is used as the coolant |
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