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Research Article Open Access
Overall engine performance of an engine can be obtained from the proper design of engine exhaust systems. With regard to stringent emission legislation in the automotive sector, there is a need design and develop suitable combustion chambers, inlet, and outlet manifold. Exhaust manifold is one of the important components which affect the engine performance. Flow through an exhaust manifold is time dependent with respect to crank angle position. In the present research work, numerical study on four-cylinder petrol engine with two exhaust manifold running at constant speed of 2800 rpm was studied. Flow through an exhaust manifold is dependent on the time since crank angle positions vary with respect to time. Unsteady state simulation can predict how an intake manifold work under real conditions. The boundary conditions are no longer constant but vary with time. The main objectives that to be studied in this work is: • To prepare the cad model in the CATIA software by using the actual parametric dimensions. • To prepare finite element model in the Computer aided analysis software by specifying the approximate element size for meshing. • To find and calculate the actual theoretical values for the input boundary conditions. • To study the flow patterns generated due to the flow of the exhaust gases from the manifold. • To study the velocity and pressure distribution in ports at maximum flow rate. • To study the static pressure drop, total pressure drop, and energy loss in the flow pattern generated in the exhaust manifold.
Exhaust-manifold, Computational fluid dynamics, Backpressure, Autowave Vortex,Dissipative Particle Dynamics,Electron Microscopy, Electronics Fluid Dynamics,Gravitation, Magnetism, Mechanical Engineering, Molecular Dynamics Physics, Quantum Vortex, Radio Astronomy, Scalar Wave, Superconductors, Superfluid?s,Turbulent Flow, Vertical Flow, Vortex, Vortices, Wireless