YOGYAKARTA - We usually hear the name Turbocharger in racing cars, but currently there have been many applications of turbochargers to passenger cars. Such as CRV Turbo, Civic Turbo, Eclipse Cross as well as several European cars. The installation of Turbochargers on car engines aims to increase energy and torque machines without adding the capacity or dimensions of the car engine. Want to know how the turbocharger works?
As a comparison, Honda HRV with a capacity of 1497 cc can create a power of 118 HP and a torque of 145 Nm. On the other hand, CRV Turbo with a engine capacity of 1498 cc is able to create a power of 187 HP and a Torque of 240 Nm. From the results of this performance, it can be concluded that, with the same engine capacity, but the power and torque produced is much larger (50 percent larger) when using a turbocharger engine.
The Turbocharger consists of 2 main components, namely a turbine and a compressor that is connected to 1 shaft. The principle of work is to use the energy that is still stored in the exhaust gas resulting from burning in the burning room to rotate the turbine. Because it has the same ceiling, the rotating turbine also rotates and will compress the air to flow to the fuel room.
When the air is compressed, the air pressure will increase so that the air temperature will also increase. Therefore, the air is cooled in the intercooler before being directed into the fuel room.
Low-temperature air has more quantity and is denser than high-temperature air, so the combustion will be much better and produce greater energy.
The amount of fuel that is injected into the fuel room depends on the amount of air that is inputted, the more air used, the more fuel it will be, so that the power and torque produced will be even greater. Turbochargers will be active in certain circumstances and rpm, when turbochargers are not used, the wastegate control valve valves will operate to direct exhaust gases so they don't pass the turbine.
Turbocharger wastegate control valve also plays a role in avoiding excessive pressure on turbines.
The Turbocharger application not only gives some advantages adrift of engine performance, but also has some shortcomings. The following are the advantages and shortages of machines with Turbochargers.
Excess:
The power and torque of the engine produced is larger with a small engine capacity.
The fuel is more efficient because of the combustion efficiency, the Turbocharger only operates at high rpm.
Lacks:
Manufacturing turbo lag, which is the time lag needed from the driver to step on the gas pedal to the turbocharger to increase the power and torque of the engine.
How To Treat Turbochargers In Diesel Machines
Car owners must realize that turbochargers have lags or lack of energy from turbo to certain speeds are achieved. So even though you are walking on a gas pedal deeply, because you have not reached a certain speed, the acceleration will feel like there is a pause at the beginning.
Here are 4 methods of treating turbocharger machines:
1. Replacement of Timely Oli
Turbocharger damage can actually be prevented by carrying out regular scheduled maintenance. It is recommended to check the interval for periodic replacement of engine oil so that the quality of the engine oil is maintained and the oil filter can play a normal role. You can also check the engine oil pressure and protect the cleanliness of the air filter.
2. Diligently Check Machine Oil Volume
One of the triggers for turbo damage is scrap metal that enters the turbine because the old engine oil is not substituted. On the other hand, the lack of engine oil can immediately destroy the turbo. The extreme exhaust gas temperature due to the failure of the cranking system or fuel injection can disrupt the turbo component.
3. Get Used to Idling Machines before TURNing Off The Engine
Turbochargers are located in high-temperature zones because they use exhaust gas. If you park the car immediately after driving at high speed, the heat can accumulate in the engine room. This happens because there is no more air flowing in the engine room. It is difficult to adjust the turbo to this situation and can shorten the life of the turbo. So, after traveling at high speed, the car must be slowed down for the rest of the route.
Do not immediately park the car and turn off the engine. This can make turbo adjust to high temperatures but less air flow in the engine room.
4. Clean/Change Air Filter
Always maintain the cleanliness of the turbo manifold intake air filter. With this method, we must be diligent in checking the condition of the air filter and cleaning it when it is dirty.
If the air filter must be replaced regularly on every maintenance schedule, so that the air entering the intake via turbo is also clean and the engine is always maintained.
In addition, you can also find out how to clean the Kerak on the Car Engine without having to go to the repair shop.
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