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IJSTR >> Volume 9 - Issue 4, April 2020 Edition

International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616

Design Optimization And CFD Analysis Of An Air Inlet System For SAE-Student Formula Racing Car

[Full Text]



M.Dinesh Kumar, C.Yogesh, S.T.Nayab Hussain, R.Krishna, M.Sreenivasan.



Air-inlet system, ANSYS, CATIA, Computational Fluid Dynamics (CFD), Mach number, mass-flow restrictor, pressure, SAE, Venturi.



As per the rulebook of Formula SAE committee, India, it is must to have a restrictor for 20mm diameter fitted in the air inlet system of Student Formula SAE car’s engine. The ultimate goal of installing a restrictor is to regulate the engine's power output and performance increased by regulating the engine's mass flow. This research paper is ultimately aimed on improving the layout of the air inlet system, which functions as a venturi pipe with a 20 mm diameter of the throat as the restrictor. Through increasing the pressure drop across the venturi, this allows for a total allowable mass flow rate into the tube. Through considering the converging-diverging angles of venturi, analytical calculations based on standard findings were conducted using Computational Fluid Dynamics (CFD) as a tool in ANSYS to achieve total mass flow speed and pressure fall throughout the venturi. Using the CFD method, it is observed from the analysis results that minimum pressure fall and peak output can be obtained through the venturi design by using the converging angle of 12 degrees and the diverging angle of 6 degrees.



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