Premium
Three‐dimensional turbulent boundary layer on wind turbine blades
Author(s) -
Dumitrescu Horia,
Cardos Vladimir
Publication year - 2008
Publication title -
pamm
Language(s) - English
Resource type - Journals
ISSN - 1617-7061
DOI - 10.1002/pamm.200810611
Subject(s) - boundary layer , entrainment (biomusicology) , mechanics , vortex , flow separation , turbulence , turbine blade , turbine , stall (fluid mechanics) , boundary layer thickness , physics , blasius boundary layer , boundary layer control , geology , flow (mathematics) , meteorology , thermodynamics , rhythm , acoustics
The momentum integral technique for predicting the boundary–layer growth in three–dimensional flow has been extended to include the entrainment equation as the closure model. Special attention has been devoted to those terms in the differential equations that change the boundary–layer structure from that of cvasi two–dimensional steady flow, at outboard locations, to a tree–dimensional flow pattern. It is concluded that the stall is delayed due to the boundary–layer reattachment at inboard sections in conjunction with the onset of a spanwise vortex like structure. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)