Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Moutaz Elgammi"'
Autor:
Moutaz Elgammi, Tonio Sant
Publikováno v:
Energies, Vol 9, Iss 6, p 460 (2016)
Prediction of the unsteady aerodynamic flow phenomenon on wind turbines is challenging and still subject to considerable uncertainty. Under yawed rotor conditions, the wind turbine blades are subjected to unsteady flow conditions as a result of the b
Externí odkaz:
https://doaj.org/article/044ad7a67d424850bb7e419770044619
Publikováno v:
Renewable Energy. 195:1-16
Publikováno v:
Wind Engineering. 46:796-817
Modeling of the flow over aerofoil profiles at low Reynolds numbers is difficult due to the complex physics associated with the laminar flow separation mechanism. Two major problems arise in the estimation of profile drag: (1) the drag force at low R
Publikováno v:
Energy Harvesting and Systems. 8:13-27
A significant amount of work is performed on various aerofoil profiles to improve their characteristics for wind turbine applications. The main purpose is to increase the power output of wind turbines by increasing the lift-to-drag ratio of the aerof
Publikováno v:
Wind Energy. 23:1656-1671
Horizontal axis wind turbines (HAWTs) experience three-dimensional rotational and unsteady aerodynamic phenomena at the rotor blades sections. These highly unsteady three-dimensional effects have a dramatic impact on the aerodynamic load distribution
Publikováno v:
Renewable Energy. 146:371-383
Accurate predictions of the cycle-to-cycle variations in aerodynamic loads on wind turbine blades are important for estimating the life cycle costs of new wind power plants. Physical modelling of wind turbine systems is usually based on the average v
Autor:
Tonio Sant, Moutaz Elgammi
Publikováno v:
Wind Energy. 20:1645-1663
Stall delay is a complicated phenomenon that has gained for many years the attention of industry and academics in the fields of helicopter and wind turbine aerodynamics. Since most of the potential flow theories still rely on the use of 2D aerofoil d
Autor:
Moutaz Elgammi, Tonio Sant
Publikováno v:
Wind Energy. 19:2089-2112
Autor:
Tonio Sant, Moutaz Elgammi
Publikováno v:
Journal of Solar Energy Engineering. 138
A modified version of the Beddoes–Leishman (B-L) dynamic stall model is presented. A novel approach was applied for deriving the effective flow separation points using two-dimensional (2D) static wind tunnel test data in conjunction with Kirchhoff'