CFD ANALYSIS OF CARBURETOR FOR DIFFERENT POSITIONS OF AERODYNAMIC SHAPE THROTTLE VALVE AND FUEL NOZZLE ANGLE

Automobile Engineering

Carburetor plays an important role in SI engine performance which supplies combustible fuel-air mixture by mixing the right amount of fuel with air before admission to the cylinder at different speed and loads. One of the important factors that affect the fuel consumption is the design of the carburetor. The carburetor provides required pressure drop with the venturi shape of the carburetor throat. Currently, alternative fuels like LPG, CNG, etc. are gaining attention all over the world because of their eco-friendly nature. So the design of the carburetor is important. Literature shows that to get a better economy and uniform distribution of fuel air mixture, it is required to design the carburetor with an effective analytical tool or software. Main objective of this work is to find pressure drop and velocity profile for different aerodynamic shape throttle valve angle and at best fuel discharge nozzle angle with help of CFD (Ansys) analysis on a carburetor and analyze for optimum design of a carburetor

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