A COMPUTATIONAL STUDY OF AN INTAKE MANIFOLD FOR FOUR STROKE S.I. ENGINE

In the recent era, energy is more preferred to be produced from renewable energy resources rather than from non-renewable resources. Both non-renewable and renewable energy resources have their own limitations such as the set up cost for renewable is high whereas pollution from non-renewable is high. Based on the limitations, researchers focused on the emission control in automobiles rather than using non-renewable sources. This forms the major objective for the engine designers to achieve lowest possible emission level with efficient combustion. Studies on emission level reduction shows that the flow harnessing in the intake manifold of IC engine can yield improvement in engine torque up to 10% along with a nominal decrease in emission level. The researches reveal that the optimization of an intake manifold plays an important role in manifold design to maximize the mass of air inducted into the cylinder for efficient combustion. Traditional manufacturing of intake manifolds and the trial and error method to select an optimized manifold is time-consuming and cost-effective. This work focuses on the design of an intake manifold with the different configuration such as normal, convergent and venture types and the study of the airflow through each designed manifolds has been performed using CFD. On comparison of the analysis results, an optimized intake manifold which allows maximum air flow inside the cylinder has been selected for efficient combustion.