The turbo systems have one problem – close proximity of inlet charge cold air and hot exhaust in the turbine.
Do not forget that large heating of intake air is from the compression of air, so even the supercharged engine will get advantage from the installation of the intercooler.
If you have ever felt what air outlets from the nozzle of the pump of the tires, then you will understand: when the air is squeezed – it heats up.
We know from the lessons of chemistry and physics, that the colder the air – the more oxygen is in it.
Why is this important?
To burn the fuel, you need oxygen. The more you have of oxygen – the more fuel you can burn, and this in turn increases the performance of the machine.
Intercooler – is, in fact, the radiator, which allows the inlet charge air to be cooled before it enters the engine. Ideally, it is necessary to install an intercooler in the front of the radiator, so that it is blown by a cool stream of air. Its location – is for an air filter and turbo or supercharger.
In most machines intercoolers are installed in front of the radiator. Therefore, they tend to provide better cooling compared to the intercooler above the engine. You should take into account the fact that less air will come to the radiator. Therefore, in extreme cases, you will need to improve the radiator so that it cools well the engine at high temperatures, air and road.
The rational position of intercooler may give an increase in power from 5% to 10%!
In some machines intercooler is installed above the engine. It sucks air through the hood. This means that when the machine does not move, then only hot air coming from the engine compartment falls in the intercooler.
In fact, it can increase fuel economy because the engine can burn less fuel because of the hot air. You do not have to break away from the spot, using the power of your engine, when you stand in the traffic jam.
All the turbo machines will get advantage from the intercooler. You can improve the standard intercoolers installed by the manufacturer of the machine. Do not forget that you want to suck as much air into the engine, so if the inner part (core) prevents the intercooler air flow, you will surely lose some power.
Two factors that make up the work of the intercooler are the characteristics of the inner duct and the cooling fins. Ideally, the fins should be as large as possible surface area, and the inner part – a small amount of tapering curves and the absence of welds, which cause turbulence.
Some argue that the intercoolers restrict the flow of air. But considering the benefits derived from the installation of high quality intercooler and a minimum loss of air flow, inherent to correctly positioned intercooler, you can confidently refute this argument. In fact the use of too large intercooler may obstruct the passage of air. The longer the air is in the intercooler – the better the cooling effect.
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