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Calculations of Wind Turbine Flow in Yaw using the BEM Technique
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
2011 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The earlier EU-sponsored project MEXICO (model experiments in controlled conditions) provided a huge database for flows past an experimental rotor in standard and yaw conditions. This study aims to determine the eligibility of different models under various conditions by using the MEXICO data. The main purpose of this project is to improve the BEM technique for yawed flows by using the new yaw model. Additionally, the BEM technique with new yaw model is compared with the CFD and measurement results. The Glauert’s yaw model is also applied in BEM model to compare the effectiveness of the new yaw model. It is proved that the CFD technique is still better than the BEM technique except at the high yaw and wind conditions. Furthermore, new yaw model is favored against Glauert’s yaw model. This project also aims to implement the new tip loss correction model in the BEM code and the results are validated with the CFD results.

Place, publisher, year, edition, pages
2011. , 79 p.
National Category
Mechanical Engineering
URN: urn:nbn:se:kth:diva-187238OAI: diva2:929341
Available from: 2016-05-18 Created: 2016-05-18 Last updated: 2016-05-18Bibliographically approved

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