How a Turbo System Works? - F-DIESEL TURBO & FUEL INJECTION PARTS SYSTEM

How a Turbo System Works?

F-DIESEL TURBO & FUEL INJECTION SYSTEM 26/8/2014 1:44:23 pm

[Key Words] turbo ystem turbo works turbocharger F-DIESEL turbo

How a Turbo System Works

Engine power is proportional to the amount of air and fuel that can get into the cylinders. All else being equal, larger engines flow more air and as such will produce more power. If we want our small engine to perform like a big engine, or simply make our bigger engine produce more power, our ultimate objective is to draw more air into the cylinder. By installing a turbocharger, the power and performance of an engine can be dramatically increased. The layout of the turbocharger in a given application is critical to a properly performing system. So how does a turbocharger get more air into the engine?

Ambient air passes through the air filter (not shown) before entering the compressor [1].

The air is then compressed which raises the air’s density (mass / unit volume) [2].

Many turbocharged engines have a charge air cooler (aka intercooler) [3] that cools the compressed air to further increase its density and to increase resistance to detonation.

After passing through the intake manifold [4], the air enters the engine’s cylinders, which contain a fixed volume. Since the air is at an elevated density, each cylinder can draw in an increased mass of air. Higher air mass flow rate allows a higher fuel flow rate (with similar air/fuel ratio). Combusting more fuel results in more power being produced for a given size or displacement.

After the fuel is burned in the cylinder it is expelled during the cylinder’s exhaust stroke into the exhaust manifold [5].

The high temperature gas then continues on to the turbine [6]. The turbine creates backpressure on the engine which means engine exhaust pressure is higher than atmospheric pressure.

A pressure and temperature drop occurs (expansion) across the turbine [7], which harnesses the energy of the exhaust gas to provide the power necessary to drive the compressor.

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