This paper deals with the application of Computational Fluid Dynamics (CFD) to the analysis of the aerodynamic characteristics of symmetrical airfoil blades in 2-Dimensional cascade flow. Theoretical two dimensional cascade analyses of Wells Turbines blade profiles have been used in the past to predict the performance of three-dimensional turbines. The use of two-dimensional cascade models is beneficial as it allows the analysis and optimisation of the blade profile with approximately one tenth the computational requirements of a three-dimensional model. The primary objective of this work was to provide further validation of the use of two dimensional cascade models by comparing the computational predictions with traditional theoretical calculation results and also with three-dimensional turbine results. A secondary objective was to use the two dimensional cascade models to better understand the blade interaction effects that occur in the Wells Turbine. The model was used to analyse and compare three different blade profiles at different cascade settings. This paper presents the results of the numerical investigation, the validation of the results and the subsequent analysis.
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ASME 2002 Joint U.S.-European Fluids Engineering Division Conference
July 14–18, 2002
Montreal, Quebec, Canada
Conference Sponsors:
- Fluids Engineering Division
ISBN:
0-7918-3615-0
PROCEEDINGS PAPER
A Computational Fluid Dynamics Comparison of Wells Turbine Blades in 2D and 3D Cascade Flow Available to Purchase
John Daly,
John Daly
University of Limerick, Limerick, Ireland
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Patrick Frawley,
Patrick Frawley
University of Limerick, Limerick, Ireland
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Ajit Thakker
Ajit Thakker
University of Limerick, Limerick, Ireland
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John Daly
University of Limerick, Limerick, Ireland
Patrick Frawley
University of Limerick, Limerick, Ireland
Ajit Thakker
University of Limerick, Limerick, Ireland
Paper No:
FEDSM2002-31322, pp. 253-260; 8 pages
Published Online:
February 24, 2009
Citation
Daly, J, Frawley, P, & Thakker, A. "A Computational Fluid Dynamics Comparison of Wells Turbine Blades in 2D and 3D Cascade Flow." Proceedings of the ASME 2002 Joint U.S.-European Fluids Engineering Division Conference. Volume 1: Fora, Parts A and B. Montreal, Quebec, Canada. July 14–18, 2002. pp. 253-260. ASME. https://doi.org/10.1115/FEDSM2002-31322
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