Computational investigation of flow control by means of tubercles on Darrieus wind turbine blades
26th IUPAP Conference on Computational Physics (CCP) -- AUG 11-14, 2014 -- Boston Univ, George Sherman Union, Boston, MA WOS: 000376508100034 This work presents the current status of the computational study of the boundary layer control of a vertical axis wind turbine blade by modifying the blade ge...
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ftunivege:oai:acikerisim.ege.edu.tr:11454/50978 2023-05-15T16:36:07+02:00 Computational investigation of flow control by means of tubercles on Darrieus wind turbine blades Sevinc, K. Ozdamar, G. Senturk, U. Ozdamar, A. Ege Üniversitesi 2015 https://hdl.handle.net/11454/50978 https://doi.org/10.1088/1742-6596/640/1/012034 eng eng Iop Publishing Ltd Journal of Physics Conference Series 10.1088/1742-6596/640/1/012034 Konferans Öğesi - Uluslararası - Kurum Öğretim Elemanı Xxvi Iupap Conference on Computational Physics (Ccp2014) 1742-6588 https://doi.org/10.1088/1742-6596/640/1/012034 https://hdl.handle.net/11454/50978 640 info:eu-repo/semantics/openAccess conferenceObject 2015 ftunivege https://doi.org/10.1088/1742-6596/640/1/012034 2022-05-02T06:43:50Z 26th IUPAP Conference on Computational Physics (CCP) -- AUG 11-14, 2014 -- Boston Univ, George Sherman Union, Boston, MA WOS: 000376508100034 This work presents the current status of the computational study of the boundary layer control of a vertical axis wind turbine blade by modifying the blade geometry for use in wind energy conversion. The control method is a passive method which comprises the implementation of the tubercle geometry of a humpback whale flipper onto the leading edge of the blades. The baseline design is an H-type, three-bladed Darrieus turbine with a NACA 0015 cross-section. Finite-volume based software ANSYS Fluent was used in the simulations. Using the optimum control parameters for a NACA 634-021 profile given by Johari et al. (2006), turbine blades were modified. Three dimensional, unsteady, turbulent simulations for the blade were conducted to look for a possible improvement on the performance. The flow structure on the blades was investigated and flow phenomena such as separation and stall were examined to understand their impact on the overall performance. For a tip speed ratio of 2.12, good agreement was obtained in the validation of the baseline model with a relative error in time-averaged power coefficient of 1.05%. Modified turbine simulations with a less expensive but less accurate turbulence model yielded a decrease in power coefficient. Results are shown comparatively. IUPAP, APS, Boston Coll, Clark Univ, Harvard Univ, Inst Appl Computat Sci, NE Univ, Univ Massachusetts Amherst, Univ Massachusetts Boston, Intel Corp, Cambridge Univ Press, Elsevier, Inst Phys Publishing, Amer Inst Phys Publishing Conference Object Humpback Whale Ege University Institutional Repository Journal of Physics: Conference Series 640 012034 |
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Ege University Institutional Repository |
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English |
description |
26th IUPAP Conference on Computational Physics (CCP) -- AUG 11-14, 2014 -- Boston Univ, George Sherman Union, Boston, MA WOS: 000376508100034 This work presents the current status of the computational study of the boundary layer control of a vertical axis wind turbine blade by modifying the blade geometry for use in wind energy conversion. The control method is a passive method which comprises the implementation of the tubercle geometry of a humpback whale flipper onto the leading edge of the blades. The baseline design is an H-type, three-bladed Darrieus turbine with a NACA 0015 cross-section. Finite-volume based software ANSYS Fluent was used in the simulations. Using the optimum control parameters for a NACA 634-021 profile given by Johari et al. (2006), turbine blades were modified. Three dimensional, unsteady, turbulent simulations for the blade were conducted to look for a possible improvement on the performance. The flow structure on the blades was investigated and flow phenomena such as separation and stall were examined to understand their impact on the overall performance. For a tip speed ratio of 2.12, good agreement was obtained in the validation of the baseline model with a relative error in time-averaged power coefficient of 1.05%. Modified turbine simulations with a less expensive but less accurate turbulence model yielded a decrease in power coefficient. Results are shown comparatively. IUPAP, APS, Boston Coll, Clark Univ, Harvard Univ, Inst Appl Computat Sci, NE Univ, Univ Massachusetts Amherst, Univ Massachusetts Boston, Intel Corp, Cambridge Univ Press, Elsevier, Inst Phys Publishing, Amer Inst Phys Publishing |
author2 |
Ege Üniversitesi |
format |
Conference Object |
author |
Sevinc, K. Ozdamar, G. Senturk, U. Ozdamar, A. |
spellingShingle |
Sevinc, K. Ozdamar, G. Senturk, U. Ozdamar, A. Computational investigation of flow control by means of tubercles on Darrieus wind turbine blades |
author_facet |
Sevinc, K. Ozdamar, G. Senturk, U. Ozdamar, A. |
author_sort |
Sevinc, K. |
title |
Computational investigation of flow control by means of tubercles on Darrieus wind turbine blades |
title_short |
Computational investigation of flow control by means of tubercles on Darrieus wind turbine blades |
title_full |
Computational investigation of flow control by means of tubercles on Darrieus wind turbine blades |
title_fullStr |
Computational investigation of flow control by means of tubercles on Darrieus wind turbine blades |
title_full_unstemmed |
Computational investigation of flow control by means of tubercles on Darrieus wind turbine blades |
title_sort |
computational investigation of flow control by means of tubercles on darrieus wind turbine blades |
publisher |
Iop Publishing Ltd |
publishDate |
2015 |
url |
https://hdl.handle.net/11454/50978 https://doi.org/10.1088/1742-6596/640/1/012034 |
genre |
Humpback Whale |
genre_facet |
Humpback Whale |
op_relation |
Journal of Physics Conference Series 10.1088/1742-6596/640/1/012034 Konferans Öğesi - Uluslararası - Kurum Öğretim Elemanı Xxvi Iupap Conference on Computational Physics (Ccp2014) 1742-6588 https://doi.org/10.1088/1742-6596/640/1/012034 https://hdl.handle.net/11454/50978 640 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1088/1742-6596/640/1/012034 |
container_title |
Journal of Physics: Conference Series |
container_volume |
640 |
container_start_page |
012034 |
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1766026419175948288 |