PIV measurement around vertical axis wind turbine with wing section which has cutout trailing edge
The flow characteristics of a vertical axis wind turbine with the hybrid blade which has the wing section with cutout trailing edge for purpose to make advantages of the drag type and the lift type wind turbine have been investigated by measuring the velocity vector fields using the conditional samp...
| Main Authors: | , , |
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| Format: | Article |
| Language: | Japanese |
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The Japan Society of Mechanical Engineers
2016-10-01
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| Series: | Nihon Kikai Gakkai ronbunshu |
| Subjects: | |
| Online Access: | https://www.jstage.jst.go.jp/article/transjsme/82/843/82_16-00241/_pdf/-char/en |
| _version_ | 1828188745304637440 |
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| author | Masaaki HONDA Masahiro TAKEI Deog-Hee DOH |
| author_facet | Masaaki HONDA Masahiro TAKEI Deog-Hee DOH |
| author_sort | Masaaki HONDA |
| collection | DOAJ |
| description | The flow characteristics of a vertical axis wind turbine with the hybrid blade which has the wing section with cutout trailing edge for purpose to make advantages of the drag type and the lift type wind turbine have been investigated by measuring the velocity vector fields using the conditional sampling PIV. The experimental apparatus is constructed using the PIV measurement system with the conditional sampling device and a new hybrid vertical axis wind turbine model installed in a circulating water channel. Four experimental conditions as the tip velocity ratio 0.5, 1.0 1.5 and 2.0 are investigated. The flows around the turbine which influence the efficiency of the vertical axis wind turbine are defined by the measured velocity vector fields. Moreover, the alternations of the angle of attack and the relative flow speed ratio of the rotating blades in the measured velocity vector fields are calculated by analyzing the mean velocity vectors along the circumference of rotating blades. The influences of the flow over the torque generated on the blades are clarified as follows. The drag torque increases, and the advantage of the hybrid blade is effective under the conditions of the tip velocity ratio 0.5 to 1.0. And the lift torque decreases under the conditions of the tip velocity ratio 0.5, and the lift torque increases under the conditions of the tip velocity ratio 1.0. |
| first_indexed | 2024-04-12T07:55:08Z |
| format | Article |
| id | doaj.art-12c91ce0a91c4f40adee41a771605250 |
| institution | Directory Open Access Journal |
| issn | 2187-9761 |
| language | Japanese |
| last_indexed | 2024-04-12T07:55:08Z |
| publishDate | 2016-10-01 |
| publisher | The Japan Society of Mechanical Engineers |
| record_format | Article |
| series | Nihon Kikai Gakkai ronbunshu |
| spelling | doaj.art-12c91ce0a91c4f40adee41a7716052502022-12-22T03:41:30ZjpnThe Japan Society of Mechanical EngineersNihon Kikai Gakkai ronbunshu2187-97612016-10-018284316-0024116-0024110.1299/transjsme.16-00241transjsmePIV measurement around vertical axis wind turbine with wing section which has cutout trailing edgeMasaaki HONDA0Masahiro TAKEI1Deog-Hee DOH2Chiba University, Graduate School of EngineeringChiba University, Graduate School of EngineeringDivision of Mechanical Engineering, Korea Maritime and Ocean UniversityThe flow characteristics of a vertical axis wind turbine with the hybrid blade which has the wing section with cutout trailing edge for purpose to make advantages of the drag type and the lift type wind turbine have been investigated by measuring the velocity vector fields using the conditional sampling PIV. The experimental apparatus is constructed using the PIV measurement system with the conditional sampling device and a new hybrid vertical axis wind turbine model installed in a circulating water channel. Four experimental conditions as the tip velocity ratio 0.5, 1.0 1.5 and 2.0 are investigated. The flows around the turbine which influence the efficiency of the vertical axis wind turbine are defined by the measured velocity vector fields. Moreover, the alternations of the angle of attack and the relative flow speed ratio of the rotating blades in the measured velocity vector fields are calculated by analyzing the mean velocity vectors along the circumference of rotating blades. The influences of the flow over the torque generated on the blades are clarified as follows. The drag torque increases, and the advantage of the hybrid blade is effective under the conditions of the tip velocity ratio 0.5 to 1.0. And the lift torque decreases under the conditions of the tip velocity ratio 0.5, and the lift torque increases under the conditions of the tip velocity ratio 1.0.https://www.jstage.jst.go.jp/article/transjsme/82/843/82_16-00241/_pdf/-char/enpivconditional samplingvertical axis wind turbinehybrid bladetip speed ratio |
| spellingShingle | Masaaki HONDA Masahiro TAKEI Deog-Hee DOH PIV measurement around vertical axis wind turbine with wing section which has cutout trailing edge Nihon Kikai Gakkai ronbunshu piv conditional sampling vertical axis wind turbine hybrid blade tip speed ratio |
| title | PIV measurement around vertical axis wind turbine with wing section which has cutout trailing edge |
| title_full | PIV measurement around vertical axis wind turbine with wing section which has cutout trailing edge |
| title_fullStr | PIV measurement around vertical axis wind turbine with wing section which has cutout trailing edge |
| title_full_unstemmed | PIV measurement around vertical axis wind turbine with wing section which has cutout trailing edge |
| title_short | PIV measurement around vertical axis wind turbine with wing section which has cutout trailing edge |
| title_sort | piv measurement around vertical axis wind turbine with wing section which has cutout trailing edge |
| topic | piv conditional sampling vertical axis wind turbine hybrid blade tip speed ratio |
| url | https://www.jstage.jst.go.jp/article/transjsme/82/843/82_16-00241/_pdf/-char/en |
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