Coolant
Coolant
Coolant (/ˈkuːlənt/), also known as antifreeze, is a fluid that absorbs heat from the engine and then dissipates it through the radiator. It is a critical part of a machine's cooling system and is necessary for preventing overheating.
Etymology
The term "coolant" is derived from the English word "cool", which means to lower the temperature. The suffix "-ant" is used to form nouns from verbs, indicating an agent or instrument that performs the action of the verb.
Types of Coolant
There are three main types of coolant, each with its own specific properties and uses:
- Inorganic Acid Technology (IAT): This is the traditional green fluid most commonly associated with coolant. It contains inorganic salts that protect the engine from rust and corrosion.
- Organic Acid Technology (OAT): This type of coolant is often orange or yellow in color. It contains organic acids that provide longer-lasting protection than IAT coolants.
- Hybrid Organic Acid Technology (HOAT): This is a combination of IAT and OAT coolants. It provides the rust and corrosion protection of IAT coolants and the long-lasting protection of OAT coolants.
Related Terms
- Radiator: A device used to cool the internal combustion engine.
- Engine: A machine designed to convert one form of energy into mechanical energy.
- Heat Exchanger: A device used to transfer heat between two or more fluids.
See Also
External links
- Medical encyclopedia article on Coolant
- Wikipedia's article - Coolant
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