Abstract
The scope of the project is to improve the design of the given axial fan with shroud by doing CFD analysis also to derive the performance curve of the fan and to extract the fan efficiency curve. The CFD model was developed to predict the air flow through the fan with shroud system. Simulations were performed by CFX solver for the following objectives. The model and CFD analysis was built using the following parameters like, Speed of the fan 3100 RPM, Diameter of the fan 365 mm, input power of the motor 325 W and Torque 0.75 N-m. from the analysis it is observed that the high pressure regions are occurred at the areas where split of volute started and the tongue areas. Performance curve of radiator fan is calculated and plotted for different pressure drop like 50 Pa,140 Pa,210 Pa,270 Pa,310 Pa and therespective Volume flow rate also predicted.
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