Why Water Is Used As A Coolant In Automobile Radiators?
If you're driving on a hot day, it will get hotter in your car's engine compartment. Hot air is less dense than cool air, and it wants to rise. It can make the difference between whether your air conditioning system is cooling you down or not!
Your radiator comes in - using water as a coolant takes heat away from the engine and vents out of the car through fins in the front grill.
This post will explore why water is used as a coolant for automobile radiators and how this technology has advanced over time to suit modern needs.
Why use water in automobile radiators?
By the early 20th century, cars were moving around on roads. For example, in the U.S., more than 5 million people owned cars by 1913, and Autobahns were being built to connect every major city to major highways across Germany.
At this time, automobile manufacturers began experimenting with new automotive designs, and one of these was the radiator. The radiator is a metal box that sits over the engine's cylinders, and it acts as a barrier between coolant and the hot air flowing inside your car.
Another innovation happened during the early 20th century with these cooling systems.
Automobile manufacturers realized that since it was so hot outside, people would want their cars to be able to run in 'cool' weather. If a car were not well-equipped for cold weather, the engine would overheat and eventually burn out.
So automobile manufacturers began experimenting to find the best way to cool automobile engines. The best solution was found by using water as a coolant instead of antifreeze or other heavy chemicals. Antifreeze is just water with antifreeze mixed in, so it doesn't freeze.
The addition of other chemicals to the coolant would not mix well with water and could make your engine corrode faster. Antifreeze was an improvement over plain water, but it was still more harmful to an engine than plain water.
Automobile radiators
Radiators are heat exchangers used to cool combustion engines, such as vehicles, airplanes, locomotives, motorbikes, etc. Due to its high specific heat capacity, water is utilized in vehicle radiators as a coolant.
Therefore, it absorbs a substantial quantity of heat for each degree of temperature increase.
Due to its poor electrical conductivity, extremely pure deionized water is utilized to cool various electrical equipment, including high-power transmitters and vacuum tubes.
Heavy water serves as a neutron moderator and coolant in certain nuclear reactors.
Light water reactors, which comprise boiling water and pressurized water, use ordinary (light) water. Some designs, such as the CANDU reactor, utilize both types of water: heavy water as a moderator and auxiliary coolant in the nonpressurized, notably in the areas tank, and light water as the main heat transfer fluid.
Conclusion:
Why is water used as a coolant in automobile radiators? So, that's why water was the best coolant for automobile radiators.
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