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Car Intercooler

On the Demand of Turbocharged Cars for Intercoolers

In general, intercoolers are only visible on vehicles with turbocharged engines. This is because the intercooler is actually a supporting component of the turbocharged engine, and its role is to improve the ventilation efficiency of the engine. One of the reasons why turbocharged engines have greater power than ordinary engines is that their ventilation efficiency is higher than that of naturally aspirated engines.

When air enters the turbocharger, its temperature will rise sharply and its density will correspondingly decrease. The automotive intercooler plays a role in cooling the air. The high-temperature air passes through the intercooler for cooling before entering the engine. If the intercooler is missing and the high-temperature air after pressurization enters the engine directly, the engine may be damaged or even shut down due to the excessively high air temperature. For turbocharged engines, the intercooler is an important component of the supercharging system. Both mechanical supercharged engines and turbocharged engines need to install intercoolers between the supercharger and the engine intake manifold.

Reasons for using the automotive intercooler to reduce engine temperature

  • The temperature of the exhaust gas discharged by the engine is relatively high, which raises the intake temperature through heat conduction of the supercharger. Moreover, the density of the air increases during compression, which also leads to an increase in the temperature of the air discharged by the supercharger, which rises with the increase of air pressure but decreases the density of oxygen, thereby affecting the effective charging efficiency of the engine. If you want to further improve the effective charging efficiency, you need to reduce the intake temperature. Data shows that under the same stoichiometric ratio, the power of the engine can be increased by 3% to 5% for every 10 degree decrease in the temperature of the supercharged air.

  • If the uncooled supercharged air enters the combustion chamber, it will not only affect the charging efficiency of the engine, but also easily cause faults such as detonation and increase the content of NOx in the engine's exhaust gas, causing air pollution. In order to solve the adverse effects caused by the temperature rise of the supercharged air, it is necessary to install intercoolers to reduce the intake temperature.

  • Reduce engine fuel consumption.

  • Improve adaptability to high altitude. In high altitude areas, using an intercooler can make the engine have greater power. Improve the adaptability of cars.

  • Improve the matching and adaptability of the supercharger.

The installation location of the automotive intercooler is generally divided into front-mounted and top-mounted

From the perspective of heat dissipation, the front-mounted intercooler located in the front bumper is of course cheaper. This is due to the direct effect of the short pipeline of the automotive intercooler, and to shorten the pipeline of the front-mounted car intercooler, the throttle valve is reversed to reduce the pressure loss caused by the excessively long pipeline. It is not difficult to imagine the overall matching of the intake pipeline when installing an intercooler. Therefore, when upgrading or installing an intercooler, besides paying attention to the size of the intercooler, the length of the pipeline should be shortened as much as possible, and straightened to reduce corners, welding points, etc., which are methods to increase the airflow speed. If there are too many welding points and corners, the smoothness of the airflow will certainly be poor, leading to pressure loss.

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