Modelling of the Performance of a Building-Mounted Ducted Wind Turbine

This paper presents computational fluid dynamics (CFD) modelling of the performance of a building-mounted ducted wind turbine. A resistive volume within the duct is used to represent a cross-flow turbine and different diffuser geometries have been investigated. A comparison is made between the power...

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Bibliographic Details
Published in:Journal of physics. Conference series 2007-07, Vol.75 (1), p.012001
Main Authors: Watson, S J, Infield, D G, Barton, J P, Wylie, S J
Format: Article
Language:English
Subjects:
Aerodynamics
Computational fluid dynamics
Cross flow
Diffusers
Flow geometry
Mathematical models
Physics
Turbines
Wind turbines
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Summary:This paper presents computational fluid dynamics (CFD) modelling of the performance of a building-mounted ducted wind turbine. A resistive volume within the duct is used to represent a cross-flow turbine and different diffuser geometries have been investigated. A comparison is made between the power performance ratio of such a building-mounted ducted wind turbine rotor predicted by CFD calculations and those predicted on the basis of one-dimensional (1D) theory. Good agreement is seen between the two approaches for a freestanding duct but deviations are seen for the building-mounted case for the calculated power performance ratio apparently due to asymmetry in the flow profile entering the duct and the flow geometry around the combination of building and duct.
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/75/1/012001