Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Amir, Kolaei"'
Publikováno v:
International Journal of Aerospace Engineering, Vol 2018 (2018)
The performance characteristics of a rotor that is typically used for small unmanned aircraft were analyzed in a series of wind-tunnel experiments. Wind-tunnel measurements were conducted with the rotor at various inflow angles in order to investigat
Externí odkaz:
https://doaj.org/article/395b2b063e234a29a52a5e62f66bbda1
Publikováno v:
Journal of Aircraft. 57:1074-1090
An advanced potential flow method is used to study the aerodynamic interactions between small rotors of quadrotor configurations and the impact on the overall flight performance. The aerodynamic an...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::47a003ba49e9f02071b7ea60dc50ad68
https://doi.org/10.2514/1.c035614
https://doi.org/10.2514/1.c035614
Autor:
Götz Bramesfeld, Amir Kolaei
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering. 233:5729-5745
In the paper, a finite element model is developed that predicts boundary layer transition in low-speed aerodynamic flows. The model is based on a Reynolds-averaged Navier-Stokes approach, where the incompressible form of the Navier-Stokes equations i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ab1f27cae7c2a8566e7a418d1f68456
https://doi.org/10.1177/0954410019855818
https://doi.org/10.1177/0954410019855818
Publikováno v:
In Chinese Journal of Aeronautics April 2009 22(2):113-120
Publikováno v:
Journal of Aerospace Engineering. 33
The OpenFOAM version 5.0 CFD package was used to investigate detection methods for a small quadrotor drone entering the vortex-ring state. The vortex-ring state causes increased thrust peak...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ee1919ff5339f8769132befc9032203c
https://doi.org/10.1061/(asce)as.1943-5525.0001194
https://doi.org/10.1061/(asce)as.1943-5525.0001194
Publikováno v:
Journal of Aerospace Engineering. 33
For small fixed-wing aircraft, passive forms of extracting energy from the atmosphere have been shown to have positive improvements on their flight performance. The present work demonstrate...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7094a6516dc22bf73d197d4c9859296c
https://doi.org/10.1061/(asce)as.1943-5525.0001158
https://doi.org/10.1061/(asce)as.1943-5525.0001158
Autor:
Amir Kolaei, Subhash Rakheja
Publikováno v:
Journal of Vibration and Control. 25:84-97
A finite element model is developed to study free vibration of a liquid in a tank of arbitrary geometry with a flexible membrane constraining the liquid free-surface. A variational formulation is initially developed using the Galerkin method, assumin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ec2c88e8315517eb8eddf31572819d3
https://doi.org/10.1177/1077546318771221
https://doi.org/10.1177/1077546318771221
Publikováno v:
Journal of Fluids and Structures. 70:519-536
An efficient model is formulated for analysis of a coupled fluid slosh-vehicle dynamic system to study the effects of different baffle designs on directional dynamic performance of a partially-filled tank vehicle. A multimodal model of fluid sloshing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::851768b3743a9eba82f043dfa2df7078
https://doi.org/10.1016/j.jfluidstructs.2017.02.012
https://doi.org/10.1016/j.jfluidstructs.2017.02.012
Publikováno v:
Journal of Vibration and Control. 23:3216-3232
An efficient methodology is proposed for simulation of roll dynamics of a tank vehicle system coupled with transient hydrodynamic forces due to fluid slosh. The transient fluid slosh in a horizontal cylindrical tank is analytically modeled considerin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ce422cf6cdf5ae17d4acc878fcb10ba
https://doi.org/10.1177/1077546315627565
https://doi.org/10.1177/1077546315627565
Publikováno v:
2018 AIAA Aerospace Sciences Meeting.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ffacc23cfcac4569f00612f952c11290
https://doi.org/10.2514/6.2018-1528
https://doi.org/10.2514/6.2018-1528