The Circulation Distribution on the Lifting Line for a Given Extracted Power
Presently, there exist few numerical methods which treat the inverse problem for the determination of the geometry of wind turbine blades. In this work, authors intend to solve the inverse optimum project for horizontal axis wind turbine in which the selection of the circulation distribution is obta...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2012-01-01
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| Series: | International Journal of Rotating Machinery |
| Online Access: | http://dx.doi.org/10.1155/2012/476908 |
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| _version_ | 1832549974592716800 |
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| author | Ali Helali Badreddine Kamoun David Afungchui Mohamed Jomaa Safi |
| author_facet | Ali Helali Badreddine Kamoun David Afungchui Mohamed Jomaa Safi |
| author_sort | Ali Helali |
| collection | DOAJ |
| description | Presently, there exist few numerical methods which treat the inverse problem for the determination of the geometry of wind turbine blades. In this work, authors intend to solve the inverse optimum project for horizontal axis wind turbine in which the selection of the circulation distribution is obtained by resolving two variational problems: the first consists in sorting the circulation distribution on the lifting line, which, for a given power extracted by the wind turbine, minimizes the loses due to the induced velocity. In the second, the optimal circulation distribution is selected such that the kinetic energy of the wind downstream of the rotor disc is minimum, when the energy extracted by the wind turbine for one rotating period is imposed. A code has been developed which incorporates the real pitch of the helicoidal vortex wake. Very promising results have been obtained: the circulation distribution for a given extracted power and the chord lengths distribution law along the blade span. |
| format | Article |
| id | doaj-art-05f79c8434734af2a3bffbb615a4478c |
| institution | Kabale University |
| issn | 1023-621X 1542-3034 |
| language | English |
| publishDate | 2012-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Rotating Machinery |
| spelling | doaj-art-05f79c8434734af2a3bffbb615a4478c2025-02-03T06:08:04ZengWileyInternational Journal of Rotating Machinery1023-621X1542-30342012-01-01201210.1155/2012/476908476908The Circulation Distribution on the Lifting Line for a Given Extracted PowerAli Helali0Badreddine Kamoun1David Afungchui2Mohamed Jomaa Safi3Research Unit of Mechanics and Energetic (URME), National Engineering School of Tunis, 1002 Tunis, TunisiaLaboratory of Applied Physics (LPA), Faculty of Sciences of Sfax, 3038 Sfax, TunisiaDepartment of Physics, Faculty of Sciences, University of Buea, Buea, CameroonResearch Unit of Mechanics and Energetic (URME), National Engineering School of Tunis, 1002 Tunis, TunisiaPresently, there exist few numerical methods which treat the inverse problem for the determination of the geometry of wind turbine blades. In this work, authors intend to solve the inverse optimum project for horizontal axis wind turbine in which the selection of the circulation distribution is obtained by resolving two variational problems: the first consists in sorting the circulation distribution on the lifting line, which, for a given power extracted by the wind turbine, minimizes the loses due to the induced velocity. In the second, the optimal circulation distribution is selected such that the kinetic energy of the wind downstream of the rotor disc is minimum, when the energy extracted by the wind turbine for one rotating period is imposed. A code has been developed which incorporates the real pitch of the helicoidal vortex wake. Very promising results have been obtained: the circulation distribution for a given extracted power and the chord lengths distribution law along the blade span.http://dx.doi.org/10.1155/2012/476908 |
| spellingShingle | Ali Helali Badreddine Kamoun David Afungchui Mohamed Jomaa Safi The Circulation Distribution on the Lifting Line for a Given Extracted Power International Journal of Rotating Machinery |
| title | The Circulation Distribution on the Lifting Line for a Given Extracted Power |
| title_full | The Circulation Distribution on the Lifting Line for a Given Extracted Power |
| title_fullStr | The Circulation Distribution on the Lifting Line for a Given Extracted Power |
| title_full_unstemmed | The Circulation Distribution on the Lifting Line for a Given Extracted Power |
| title_short | The Circulation Distribution on the Lifting Line for a Given Extracted Power |
| title_sort | circulation distribution on the lifting line for a given extracted power |
| url | http://dx.doi.org/10.1155/2012/476908 |
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