Effect of fillet radius on aerodynamic performance of a multi-stage axial compressor

Abstract

This paper presents the effect of rotor and stator fillet radius on aerodynamic performance of a multi-stage axial compressor using three-dimensional Reynolds-averaged Navier-Stokes equations with the k-cu SST model. A numerical validation was performed using experimental data at the design condition. A parametric study of fillet radius for hoth of rotor and stator blades were investigated to demonstrate the effect on total pressure ratio, adiabatic efficiency and stall margin of multi-stage axial compressor.