OPTIMUM CONFIGURATION OF WING-TAIL TANDEM ARRANGEMENT AT LOW REYNOLDS NUMBER

Abstract

The optimum configuration of 2D wing and tail of a certain T-tail UAV placed in tandem arrangement and operate at low Reynolds number is discussed numerically. Total lift-to-drag ratio is studied at different tail configurations relative to the wing in order to get the maximum total lift-to-drag ratio which is corresponding to maximum range of UAV. The numerical simulation is performed using ANSYS FLUENT 18.0 software package while the mesh is generated by PointWise 18.1 software package. Examination of PointWise 18.1 software in dealing with meshing at different cases of flow and airfoils is performed. SST k-ω turbulence model is the suitable model for low Reynolds number tandem wings. The outcomes are validated against the available experimental data.