Near-and-far field modeling of advanced tail-rotor noise using source-mode expansions
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2019.02.007
Abstract: Abstract The present work is aimed at illustrating a hybrid analytical/numerical methodology that could be used at the early-design stage to predict the tonal noise of an axial-flow fan surrounded by solid surfaces. A model… read more here.
Keywords: rotor; tail rotor; source; noise ... See more keywords
Design parameters improvement of helicopter ducted tail rotor
Sign Up to like & getrecommendations! Published in 2018 at "Aircraft Engineering and Aerospace Technology"
DOI: 10.1108/aeat-01-2017-0033
Abstract: Purpose The objective of this research is to reduce the acoustic noise of helicopter ducted tail rotor. Design/methodology/approach In order to predict the noise accurately, a thin-body BEM/FW-H (Boundary Element Method/FfowcsWilliams-Hawkings) method is developed in… read more here.
Keywords: helicopter ducted; tail rotor; noise; ducted tail ... See more keywords
Integration of CNN in a Dynamic Model-Based Controller for Control of a 2DOF Helicopter With Tail Rotor Perturbations
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3189353
Abstract: This paper shows a proposal for a control scheme for the trajectory tracking problem in a Two Degree of Freedom Helicopter (2DOFH). For this purpose, a control scheme based on a feedback linearization combined with… read more here.
Keywords: cnn; control; tail rotor; controller ... See more keywords
Improving the Mechanical Behavior of a Helicopter Tail Rotor Blade Through the Use of Polyurethane Foams
Sign Up to like & getrecommendations! Published in 2019 at "Revista De Chimie"
DOI: 10.37358/rc.19.11.7716
Abstract: The tail rotor blade represents a very important component in the structure of any helicopter, being subjected to many aerodynamic loads. The integrity of this component is essential for maintaining flight safety and improving its… read more here.
Keywords: helicopter; polyurethane; rotor; tail rotor ... See more keywords