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| Brief Introduction to the history and the employ of Turbochargers |
By:
ktyk cdkty |
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Turbocharger is a kind of air compressor which can increase the air inflow by compressing the air. It can promote the movement of turbine via the drive from exhaust gases released by the engine. Driven by the turbine, the impeller can compress the air flow from the air filter into the cylinder. With the rotating pace of the engine being accelerated, the speed of exhaust gas release and rotating pace of turbine can also be increased. In this way, more air will be compressed into the cylinder by the turbine. With the pressure and density of the air inside the cylinder being greatly multiplied, more fuel will be combusted. Then the increase of fuel amount and rotating speed of turbine can result in greater performance or power of the engine turbochargers.
Actually, turbochargers are always indispensable equipment for racing cars especially during the car race. With the turbocharger equipped, the racing car can give out even more power. In fact, the engine is driven by the combusted fuel inside the cylinder. If the combustion of the fuel in the cylinder is greatly affected by the amount of air inflow, the power produced will be affected. When the performance of engine reaches its optimal condition, what we can do to improve the output power is to compress even more air flowed into the cylinder to improve the combustion rate so as to make the most of the potential power released by combusted fuel. In recent technical condition, the turbocharger is the only mechanical equipment which can improve the output power without changing the working efficiency of the engine.
Now, let's have a look at the advantage and disadvantage of turbocharger. The most obvious advantage of turbochargers lies in its feature of enormously multiplying the power and torsion force of the engine without changing the engine displacement. In general, when the machine has been equipped with the turbocharger, the power and torsion force of the engine will be increased by 20% to 30%. One of the disadvantages of turbocharger is its hysteresis. Due to the inertia of the impeller, it can always be sluggish to the sudden change made by accelerator. In this way, the engine will also be sluggish in making any instant change, which result in the decrease of output power. For the cars which need to instantly speed up, the turbocharger seems to be kind of problematic.
In the past 30 years, turbocharger has been widely used in many types of cars, which has greatly made up the flaws of naturally aspirated engines. The turbocharger has improved the output power of engine by 10% without changing its exhaust gas, thus many automobile enterprises will choose turbochargers to improve performance of cars. |
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