Mathematical Modeling of the Flow behind Propeller

Abstract

Study of aircraft aerodynamic characteristics with operation of its powerplant engines is a vital task. In this article we represent mathematical modeling of the aircraft flow with operation of its propeller. The considered mathematical model of the propeller is based on the vortex and momentum theory. Solution of the model problem of the flow behind the propeller allows obtaining of the fields of perturbed velocities in the vicinity of the aircraft and its aerodynamic characteristics. The proposed approach is aimed at simplification of the mathematical model and reduction of calculation time.

On the aerodynamic interactions analysis between the main rotor and the helicopter fuselage

“…However, research on the aerodynamic interaction between helicopter components, such as main rotor, fuselage, tail rotor, and stabilizers, is still quite limited. Main rotor is mounted on a vertical mast over the top of the helicopter, andthe aerodynamic characteristics of a helicopter main rotor itself can be determined by various different numerical methods [1,2,3,4,5,6,7]. Nevertheless, these characteristics may be altered when the aerodynamics of the fuselage is taken into consideration.…”