Zobrazeno 1 - 10
of 76
pro vyhledávání: '"O. Guerri"'
Autor:
M. Tata, A. Bekhti, M. Maizi, N. O. Cherifi, A. Tamoum, D. Hamane, A. Boudis, M. Debbache, O. Guerri
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 17, Iss 2, Pp 442-460 (2023)
The aim of this study is to evaluate the aerodynamic efficiency of a Savonius vertical-axis wind turbine. The approach used relies on resolving the Unsteady Reynolds Averaged Navier-Stokes equations (URANS), the turbulence being modeled by the k-ω S
Externí odkaz:
https://doaj.org/article/9a95dafb65c645e794eec77a734447e8
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 16, Iss 4, Pp 724-738 (2023)
In this study, airfoil shape optimization of a wind turbine blade is performed using the ANSYS Fluent Adjoint Solver. The aim of this optimization process is to increase the wind turbine output power, and the objective function is to maximize the air
Externí odkaz:
https://doaj.org/article/2c34bee73a6b4b8a92e350bd808d325e
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 16, Iss 1, Pp 21-33 (2022)
Accurate predictions of the near wake of horizontal-axis wind turbines are critical in estimating and optimizing the energy production of wind farms. Consequently, accurate aerodynamic models of an isolated wind turbine are required. In this paper, t
Externí odkaz:
https://doaj.org/article/32266b2ca1f84036a6b16eeca86c46b5
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 14, Iss 2, Pp 485-498 (2021)
Flapping foil energy harvesting systems are considered as highly competitive devices for conventional turbines. Several research projects have already been carried out to improve performances of such new devices. This paper is devoted to study effect
Externí odkaz:
https://doaj.org/article/ac0590fac3b941edb451182a7be5ebf0
Publikováno v:
Energy Reports, Vol 6, Iss , Pp 232-255 (2020)
This paper purpose a numerical study of the flow downstream a wind turbine erected in the neutral atmospheric boundary layer. A first part consists of unsteady wind flow simulations through a full moving rotor, which lets identifying the vortex gener
Externí odkaz:
https://doaj.org/article/9a3b0ced0b2c4f569dde185f75a05b9d
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 11, Iss 6, Pp 1651-1663 (2018)
In this study, numerical investigations on the energy extraction performance of a flapping foil device are carried out by using a modified foil shape. The new foil shape is designed by combining the thick leading edge of NACA0012 foil and the thin tr
Externí odkaz:
https://doaj.org/article/20c52cc235534fbbbc1231e513a87bf0
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 11, Iss 1, Pp 151-164 (2018)
The effects of different Reynolds Averaged Navier Stokes (RANS) turbulence models on two near-wall approaches using high and low Reynolds models on predicting performance of horizontal axis wind turbines (HAWTs) were studied for a range of wind condi
Externí odkaz:
https://doaj.org/article/38ea15190ced46b68d84cd5583e42472
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 9, Iss 4, Pp 2009-2023 (2016)
This paper presents numerical study of an oval-sail, a bluff-body equipped with a grid all along the span. Suction based flow control is applied to this body that is developed for wind assisted ship propulsion. First, a choice of numerical turbulen
Externí odkaz:
https://doaj.org/article/5ffbea3f13414d989aa977b02072be7b
Publikováno v:
Revue des Énergies Renouvelables, Vol 15, Iss 4, Pp 599-608 (2012)
Les pales d’une éolienne sont soumises à des chargements aérodynamiques, génèrent des écoulements extrêmement complexes. Nous nous intéressons à la dynamique des écoulements autour des pales d’éolienne à axe horizontal en rotation. Ce
Externí odkaz:
https://doaj.org/article/0997d5da28f0439382bc56db194b9aa6
Publikováno v:
Revue des Énergies Renouvelables, Vol 15, Iss 4, Pp 533-545 (2012)
Les données vent relatives à la station météorologique de Tiaret, une ville située au centre des hauts plateaux algériens, ont été traitées afin d’évaluer les caractéristiques statistiques de la vitesse du vent et du potentiel éolien à
Externí odkaz:
https://doaj.org/article/82795fa9b1ee49d1978a75693c0921a3