Researches of aerodynamic characteristics of helicopter rotor on vortex ring state mode by nonlinear blade vortex model

Аuthors

Ignatkin Y. M.^1*, Makeev P. V.^**, Shomov A. I.^2***

1. Moscow Aviation Institute (National Research University), 4, Volokolamskoe shosse, Moscow, А-80, GSP-3, 125993, Russia
2. National Helicopter Center Mil & Kamov, 26/1, Garshina str., Tomilino, Moscow region, 140070, Russia

*e-mail: k102@mai.ru; ignatkinym@mai.ru
**e-mail: vaultcity13@gmail.com
***e-mail: shomov_aleksandr@mail.ru; a.shomov@nhc.aero

Abstract

Article is devoted to researches of vortex ring state of helicopter rotor by nonlinear blade vortex model. Examples of vortex wake, flow lines, velocity fields and aerodynamic characteristics are presented.

Keywords:

helicopter rotor, vortex model, vortex ring state, aerodynamic characteristics, vortex wake, velocity field