Breakdown of aerodynamic interactions for the lateral rotors on a compound helicopter
Sign Up to like & getrecommendations! Published in 2020 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2020.105845
Abstract: Abstract Auxiliary lift and/or thrust on a compound helicopter can introduce complex aerodynamic interactions between the auxiliary lift and thrust components and the main rotor. In this study high-fidelity computational fluid dynamics analyses were performed… read more here.
Keywords: compound helicopter; rotor; aerodynamic interactions; main rotor ... See more keywords
Analysis of aerodynamics and main rotor loads under stalled conditions of helicopter’s main rotor during the pull-up manoeuvre
Sign Up to like & getrecommendations! Published in 2018 at "Journal of KONBiN"
DOI: 10.2478/jok-2018-0045
Abstract: Abstract The article discusses the main features of the applied simulation model of helicopter flight indicating references, where it was elaborated in detail. It focuses on presenting the simulation results of pull-up manoeuvre during which… read more here.
Keywords: rotor; main rotor; pull manoeuvre; helicopter main ... See more keywords
Helicopter Safe Landing Trajectory after Main Rotor Actuator Failures
Sign Up to like & getrecommendations! Published in 2020 at "Applied Sciences"
DOI: 10.3390/app10082917
Abstract: Main rotor actuator failure leads to catastrophic accidents for single main rotor helicopters. This paper focuses on safe landing trajectories after an actuator is locked in place by the remaining actuators, without introducing other control… read more here.
Keywords: safe landing; geometry; main rotor; rotor actuator ... See more keywords
Helicopter Main Rotor Blade Parametric Design for a Preliminary Aerodynamic Analysis Supported by CFD or Panel Method
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15124275
Abstract: This work is the preliminary part of a research program which is aimed at finding some new methods and design solutions for helicopter main rotor multidisciplinary optimization. The task was to develop a parametric geometric… read more here.
Keywords: main rotor; rotor; aerodynamic analysis; design ... See more keywords
Investigation of Engine–Airframe Vibration Due to Main Rotor Hub Loads Using a Substructuring Framework
Sign Up to like & getrecommendations! Published in 2019 at "Journal of the American Helicopter Society"
DOI: 10.4050/jahs.64.042001
Abstract: This paper presents a methodology to analyze the coupled structural dynamic response of an elastic airframe and engines of a helicopter in response to main rotor hub loads. Transfer functions of individual components (airframe, engine,… read more here.
Keywords: response; mount; airframe; using substructuring ... See more keywords