The problems of modeling the flow in the axial fan of the wind tunnel
Aviation technics and technology
Аuthors*, 1**, 2
1. Moscow Aviation Institute (National Research University), 4, Volokolamskoe shosse, Moscow, А-80, GSP-3, 125993, Russia
AbstractThe possibility of application of modern software package for computational fluid dynamics (CFD - Computational Fluid Dynamics) for the purpose of designing axial fans has been studied. It is shown that the use of Realizable turbulence model gives results in better conformity with experimental data than the model SST . The effect of the number of blades on the mass flow - dynamic pressure characteristics of a given geometry of the fan, as well as the use of the second propeller in order to improve the efficiency of the axial fan has been analyzed.
Keywords:axial Fan, the Reynolds-Averaged Navier-Stokes Equations, the Method of SIMPLEC, the Coefficients of the Total Pressure and Productivity Efficiency and Power Factor of the Fan.