... for publication in the ASME JOURNAL OF SOLAR ENERGY ENGINEERING . Manuscript received by the ASME Solar Energy Division February 21, 2003; final revision, July 16, 2003. Associate Editor: D. Berg. 21 February 2003 16 July 2003 26 11 2003 wind turbines physics computing Navier-Stokes...

... rotors wind turbines rough surfaces aerodynamics sensitivity drag physics computing With increasing rotor diameters, blade designers tend to use thick airfoil sections in a large part of the blade. Thick airfoils provide more structural stiffness and enable the blade designer to reduce...

... 2003 07 July 2003 26 11 2003 wind turbines wind tunnels physics computing vortices During the last decade some fifteen wind turbine airfoils have been designed at DUT, of which five have been extensively tested in the Delft University wind tunnel (LST) and four in the low...

... lower than for spherical collectors, but with reduced energy delivery. [S0199-6231(00)00302-6] solar absorber-convertors mirrors ray tracing solar energy concentrators physics computing The aim of this study is to develop a numerical model of a (3D) Fresnel collector operating...