Car Engine Types

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If you love cars, then you must know about what engine goes inside a particular type of car, to make it function the way it does.

Here are different types of engines that every car enthusiast must know about:

1.Turbo Engine: When we say racecars, the topic of turbochargers is the next thing to come up. Even in those huge diesel vehicles, you will find turbo engines. Companies swear by turbo engines because they boost a vehicle’s horsepower without necessarily increasing its weight.

Turbo engine uses a forced induction system. It is when the engine compresses the air into the system and compression means more fuel can be added to the vehicle. The turbine that’s there in the turbo engine makes 15,000 rotations per minute, which is 30 times more than a normal engine. Another way to squeeze in more air in the engine is to make the cylinders bigger in size.

Although there is one risk associated with the turbo engine, it’s called knocking. Knocking is said to happen when as you compress air, its temperature increases which in turn can combust the fuel. That is why higher-octane fuel is needed to avoid knock. It creates a balance between the boost pressure and the compression ratio.

2.Hydrogen Engine: The hydrogen engine is known to be a good replacement for fossil fuel to power engines. In fact, it is quite similar to gas-powered motors. Instead of some toxic gases, a hydrogen engine produces water as the bi-product of its combustion cycle. It still produces harmful gases but very less as compared to a normal engine.

There are two types of hydrogen engines, internal combustion, and external combustion.

Internal combustion is the type where gasoline is burnt internally, to create motion. It is further classified into two types, diesel engines, and gas turbine engines.

The external combustion engine is the one where fuel in the form of coal, wood, or oil is burnt outside the steam engine to create motion. Steamboats and old-fashioned trains use this type of engine.

HOW AN ENGINE COOLING SYSTEM WORKS?

By now, you might have learned that a car engine creates a lot of heat while running, and to avoid any damage, it has to be cooled. Another reason for a cooling system would be proper lubrication. Lubrication of the engine, especially of its moving parts is important for its proper functioning which can be affected due to high temperature. In fact, at higher temperatures, the output of the engine also tends to decrease. Usually, this is done by circulating coolant liquid that is nothing but an antifreeze solution mixed with water through special cooling passages. The other type is the air-cooled cooling system, which is quite self-explanatory. In this type, air flows through the finned cylinder casing.

Parts of the engine system, that you must know are as follows:

1. Water Pump, Radiator

2. Radiator overflow Tank

3. Thermostat

4. Hoses

5. Coolant temperature Sensor

6. Radiator Cooling Fan

7. Freeze Plugs

8. Manifold Gasket and Head Gasket

9. Heater Core.

1. Water-cooled cooling system: There are vents in the engine block and the engine cylinder. These vents do the job of circulating the coolant liquid through the engine head, dissipating heat and allowing it to flow out optimally. When the coolant comes to the radiator, the radiator fan blows cold air through the radiator fins, which reduces the coolant temperature quickly. As soon as the coolant cools, it goes back to where it came from, the water pump. The water pump then pumps the coolant again into the water vents and the process repeats. The cooling system’s heat-absorbing quality depends upon the type of engine.

2. Air-Cooling System: This type of cooling system is usually found in motorcycles and cars. In this type, aluminum fins are used to extract heat from the cylinder. The cylinders of this type of cooling system are known to be more efficient than the water-cooling system. They can bear more temperature than water-based ones. The air-cooling system is known to be better because it does not cause corrosion to the cooling system and prevents coolant boiling and freezing in case of extreme temperatures.

This type of cooling system is used wherein there are low-power engines like scooters, where the machine’s onward motion is used to create a cooling effect in the engine. Its advantage is that it is small in size and simple in design. But it comes with disadvantages, which is that the system is really noisy and it is incapable of giving a uniform cooling effect. It is suitable only for small engines whereas the water-based one can be used in both types of engines.

Now you know enough about engines to be able to speak to a mechanical engineer with confidence. Serving people is our passion, hope we have educated you!