Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Lucian Teodor Grigorie"'
Publikováno v:
Biomimetics, Vol 9, Iss 10, p 635 (2024)
This article presents a numerical study on the 2D aerodynamic characteristics of an airfoil with a morphed camber. The operational regime of the main rotor blade of the IAR 330 PUMA helicopter was encompassed in CFD simulations, performed over an ang
Externí odkaz:
https://doaj.org/article/918001344d1c4af1845a673385b62e30
Publikováno v:
Biomimetics, Vol 9, Iss 6, p 339 (2024)
A numerical method for generating dynamic stall using ANSYS Fluent and a user-defined function (UDF), with the complete script shared for reference, is introduced and tested. The study draws inspiration from bird flight, exploring dynamic stall as a
Externí odkaz:
https://doaj.org/article/57c16b8a3cab436aad73c2e341521c9b
Publikováno v:
AIAA AVIATION 2020 FORUM.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::84b97c3106b7d9597784734f5fba5f92
https://doi.org/10.2514/6.2020-3193
https://doi.org/10.2514/6.2020-3193
Autor:
Oliviu Sugar Gabor, Andreea Koreanschi, Ignazio Dimino, Yvan Tondji, Lucian Teodor Grigorie, Gianluca Amendola, Dragos George Sandu, Antonio Concilio, Rosario Pecora, F. Amoroso, J. T. Kammegne, Leonardo Lecce, Mohamed Sadok Guezguez, M. Mamou, Youssef Mébarki, Ruxandra Mihaela Botez
Publikováno v:
The Aeronautical Journal. 122:747-784
A new wing-tip concept with morphing upper surface and interchangeable conventional and morphing ailerons was designed, manufactured, bench and wind-tunnel tested. The development of this wing-tip model was performed in the frame of an international
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fbd7976788dad4a1cd3c505c75db99cd
https://doi.org/10.1017/aer.2018.15
https://doi.org/10.1017/aer.2018.15
Autor:
Lucian Teodor Grigorie, Youssef Mébarki, Michel Joël Tchatchueng Kammegne, Ruxandra Mihaela Botez, Mahmoud Mamou
Publikováno v:
Chinese Journal of Aeronautics, Vol 30, Iss 2, Pp 561-576 (2017)
In aircraft wing design, engineers aim to provide the best possible aerodynamic performance under cruise flight conditions in terms of lift-to-drag ratio. Conventional control surfaces such as flaps, ailerons, variable wing sweep and spoilers are use
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::107e358f9b3f7b816544c23124682f92
https://doi.org/10.1016/j.cja.2017.02.001
https://doi.org/10.1016/j.cja.2017.02.001
Autor:
Ruxandra Mihaela Botez, Youssef Mébarki, M. J. Tchatchueng Kammegne, Lucian Teodor Grigorie, M. Mamou
The focus of this paper is on the modelling of miniature electromechanical actuators used in a morphing wing application, on the development of a control concept for these actuators, and on the experimental validation of the designed control system i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1ae33fed32a870023b2975fbd49f96fb
https://doi.org/10.1017/aer.2019.106
https://doi.org/10.1017/aer.2019.106
Publikováno v:
The Aeronautical Journal. 119:1047-1072
The paper focuses on the modelling, simulation and control of an electrical miniature actuator integrated in the actuation mechanism of a new morphing wing application. The morphed wing is a portion of an existing regional aircraft wing, its interior
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::035ffb6afc1f03b5a055f1e1e91f3a65
https://doi.org/10.1017/s0001924000011131
https://doi.org/10.1017/s0001924000011131
Autor:
Lucian Teodor Grigorie, Yvan Tondji, Mahmoud Mamou, Ruxandra Mihaela Botez, Michel Joël Tchatchueng Kammegne, Youssef Mébarki
A morphing wing can improve the aircraft aerodynamic performance by changing the wing airfoil depending on the flight conditions. In this paper, a new control methodology is presented for a morphing wing demonstrator tested in a subsonic wind tunnel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::487233b56acc25ccc28bcf1417e76e8a
https://nrc-publications.canada.ca/eng/view/object/?id=a2fab89e-2253-4ed4-9ebe-6dfac57ca7b3
https://nrc-publications.canada.ca/eng/view/object/?id=a2fab89e-2253-4ed4-9ebe-6dfac57ca7b3
Publikováno v:
Journal of Aerospace Engineering. 26:794-813
This paper presents the automatic control of the aircraft in the longitudinal plane during the landing process, taking into account the wind shear and sensor errors. Two automatic landing systems (ALSs) are designed. The former uses an instrument lan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e1f5c89a8e4ed84064e60fa9a562df3
https://doi.org/10.1061/(asce)as.1943-5525.0000207
https://doi.org/10.1061/(asce)as.1943-5525.0000207
Autor:
Michel Joël Tchatchueng Kammegne, Youssef Mébarki, Ruxandra Mihaela Botez, Lucian Teodor Grigorie, Mahmoud Mamou
Publikováno v:
AIAA Atmospheric Flight Mechanics Conference.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::70709d9a4406df60dbbc0daf29c3a7a1
https://doi.org/10.2514/6.2016-3390
https://doi.org/10.2514/6.2016-3390