Rearranging the position of Turbo Intercooler to obtain a higher engine cooling efficiency

Paper #:
  • 2017-01-0628

Published:
  • 2017-03-28
Abstract:
Turbochargers have become an inevitable part of modern engines for their ability to improve an engine's efficiency and power output through forced induction using the exhaust gas energy which otherwise would have been wasted. And with their use, there is always some unwanted heat as a by-product. For that, turbo intercoolers are employed, they reduce the temperature of the forced air before reaching the engine and improve their volumetric efficiency by increasing intake air charge density through an isobaric cooling. The forced air produced by the turbocharger is routed through the intercooler where its temperature is reduced before reaching the engine. Intercoolers also eliminate the need for using the wasteful method of lowering intake charge temperature by the injection of excess fuel into the cylinders' air induction chambers, to cool the intake air charge, prior to its flowing into the cylinders.This has made modern heavy duty diesel vehicles far more efficient. Without an intercooler, the inlet air of an IC engine would bear a very high temperature due to the compression which would result in less Oxygen content, pre-ignition leading to the detonation. All this considerably hampers the fuel combustion. The use of intercoolers makes the air denser which contributes to a better combustion and an improved power output. The standard position of an intercooler is in the vicinity of the radiator which helps in achieving a lower air temperature. This arrangement affects the performance of both. Here we are aiming to improve the cooling efficiency with some elemental design changes and rearranging the position of turbo intercooler with Eicher 10.75H Skyline as a reference.
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