Sumários
Energy Production
16 março 2017, 08:00 • José Alberto Caiado Falcão de Campos
The energy production. Annual energy yield. Capacity Factor. Characterization of the wind. The Weibull distribution. The atmospheric boundary layer: wind velocity profiles. The turbine power curve. Cut-in, rated and cut-out speeds. The calculation of the annual energy yield. Matching the turbine to the wind data.
The Lifting Line Theory of a Turbine
10 março 2017, 11:30 • José Alberto Caiado Falcão de Campos
The Design of a HAWT. The Turbine Rotor Lifting Line Model The Turbine vortex model The velocity and force diagram. The optimization The effect of viscous drag: Viscous losses.
BEM Analysis of HAT
9 março 2017, 12:30 • João Baltazar
The lifting line Theory of a Wing
9 março 2017, 08:00 • José Alberto Caiado Falcão de Campos
The 3D flow around a wing. The lifting line model. Induced velocities. The downwash. The induced angle of attack. Lift and induced drag. The lifiting line equation. The optimum elliptical circulation distribution.
The Blade Element Momentum Theory of a HAWT
3 março 2017, 11:30 • José Alberto Caiado Falcão de Campos
The inviscid Glauert model. The energy equation. The velocity and force diagram. The maximum power The effect of drag: Viscous losses. The effect of finite blade number.