Prandtl tip loss factor assessed

Ramdin, S.F.

Prandtl tip loss factor assessed

Master thesis (2017)

Authors

S.F. Ramdin

Contributors

A.H. van Zuijlen (mentor)

Department

Aerodynamics, Wind Energy & Propulsion

BEM Tip loss factor Prandtl tip loss factor

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Published Date

31-01-2017

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Faculty

Aerospace Engineering

Department

Aerodynamics, Wind Energy & Propulsion

Abstract

The Blade Element Momentum (BEM) theory is widely used for the design of wind turbine blades and predicting aerodynamic loads because of its ability to compute fast and reasonable results. However, the Prandtl tip loss factor is needed to improve the accuracy of the results near the tip. In this thesis the limitations and shortcomings of this factor are identified, by using higher fidelity methods. The results show that the Prandtl tip loss factor should be improved on the account of the radial movement of the flow and that there are four tip loss factors that outperform the others.

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MScThesis_final_SFRamdin.pdf

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