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Modeling and CFD Simulation of Exhaust Gas Recirculation Cooler for Diesel Engine and Compare It with Triangular and Square Fin Tube EGR


Mr. Ibrahim Hussain Shah , IET DAVV, Indore; Akhilesh Choudhary, IET DAVV, Indore


Exhaust gas recirculation (EGR), Nitrogen Oxides (NOx), Oxygen (O2), Mass of Exhaust Gas Recirculation (MEGR)


The exhaust gas recirculation (EGR) is a process for minimizing the nitrogen oxide (NOx) emissions from the exhaust of the IC engine. Our main aim is to develop a design of EGR Cooler for BS IV diesel engine which reduces the NOx percentage in the exhaust gas. EGR recirculation about small part of the exhaust gases back into the inlet of the cylinder where it merges with the fresh air and due to which it reduces the part of Oxygen. It reduces the Oxygen concentration due to chemical reaction and dilutes the intake charge, due to which it also reduces the temperature inside the cylinder which will simultaneously reduce the NOx percentage due to reducing the formation of NOx.. When we recycle about 20% of exhaust gas will reduce NOx emission about 87%. Therefore we make three different models A, B, C. Model-A is simple shell and tube type, which has simple tube. In model-B we replaced simple tubes by externally triangular finned type circular tube because it increases the heat transfer rate and therefore we get increased effectiveness of the cooler. And in the Model- C, we replace the plane tube in same model by square finned tube. Now we compare all the three models by their effectiveness, and on the basis of comparison suggest using most effective Model among them. Mainly the comparisons were made between shell & finned tube EGR cooler and on the basis of comparison we prefer the model which has high effectiveness than the other.

Other Details

Paper ID: IJSRDV5I60231
Published in: Volume : 5, Issue : 6
Publication Date: 01/09/2017
Page(s): 307-315

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