EVs have taken the world by storm. The usability and overall efficiency of these vehicles has prompted people across the world to switch from conventional vehicles to EVs.
Fluids are an essential part of automobile mechanics. These are used as a cooling agent while also used as a braking fluid. We know that conventional cars with conventional engines require cooling fluid to function properly. However, research shows that cooling fluids are essential for EVs as well. These fluids improve vehicle performance, so it is important to know more about them!
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What are coolant fluids?
Coolant fluids are those fluids that reduce the temperature of the engine for optimum functioning. Without cooling fluid, engine temperature can reach a level that can cause serious damage.
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What are lubricating fluids?
Lubricating fluids are substances that are applied between rotating parts to reduce friction between these parts and to prevent wear and tear.
Why are these fluids important?
One of the major ideas being introduced in the scientific community is the “thermal management of EVs”. This idea suggests that electric vehicles require much more than simple cooling to function properly!
Nowadays, the main cooling system operating in EVs is known as the “indirect cooling system”. A plate made of a metal alloy is used as a suction for heat. That heat is transferred to the coolant pumped around the system to provide heat dissipation.
This is a very inefficient way of dealing with heat because only a small fraction of the fluid is transferred out; The rest remains.
The technology now being suggested is “direct cooling.” The fluid is in direct contact with all electrical parts (such as circuit boards). The fluid must be dielectric in order not to conduct electricity and cause a short circuit.
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The fact is that it was all about heat dissipation and cooling the system. But there is one more element that these fluids need to take care of – lubrication! These motors are rotating gears that brush against each other so that the car can operate. This excessive brushing will undoubtedly create excessive friction which will damage the parts in a short period of time. Thus, lubrication is required within these parts. Again, the fluid must be dielectric to do the work of cooling and reducing friction without circuit failures.
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These batteries need to be replaced from time to time; Otherwise, they will die and stop working. Studies show that efficient cooling of these batteries speeds up the charging process. Without fluid for effective cooling, battery performance begins to deteriorate. If fluids could be used efficiently through more evolution, it would be easier for people to travel in EVs!
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