Aspects of Unsteady Aerodynamics in Wind Turbines

This presentation is primarily about unsteady aerodynamics in relation to wind turbines. It is divided into three very distinct sections, each one of which is basically a different topic. These sections consider: 1. Basic unsteady aerodynamics. 2. VAWTperformance modelling. 3. Passive stall regulati...

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Bibliographic Details
Published in:Wind engineering 1990-01, Vol.14 (5), p.286-299
Main Authors: Galbraith, R.A. McD, Niven, A.J., Coton, F.N.
Format: Article
Language:English
Subjects:
Aerodynamic lift
Aerodynamics
Boundary conditions
Engine stall
Flow distribution
Flow velocity
Turbines
Unsteady aerodynamics
Vortex sheets
Wind turbines
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Summary:This presentation is primarily about unsteady aerodynamics in relation to wind turbines. It is divided into three very distinct sections, each one of which is basically a different topic. These sections consider: 1. Basic unsteady aerodynamics. 2. VAWTperformance modelling. 3. Passive stall regulation of VAWTs. The aim of the presentation is to illustrate that, if desired, future wind turbine blades could be aerodynamically tailored to exploit the unsteady nature of the VAWT flow with far greater confidence and insight than has been hitherto possible. To this effect, the collaborating British research teams and, in particular, VAWT Ltd. have assembled sufficient knowledge for such a conclusion to be made.
ISSN:0309-524X
2048-402X