1Department of Mechanical Engineering, Eqbal Lahuri Institution of Higher Education, Mashhad, Iran, Islamic Republic of
2Department of Mechanical Engineering, Ferdowsi University of Mashhad, Iran, Islamic Republic of
BibTex Citation Data :
@article{IJRED15410, author = {Kamyar Jafari and Mohammad Djavareshkian and Behzad Feshalami}, title = {The Effects of Different Roughness Configurations on Aerodynamic Performance of Wind Turbine Airfoil and Blade}, journal = {International Journal of Renewable Energy Development}, volume = {6}, number = {3}, year = {2017}, keywords = {Roughness, wind turbine blade, aerodynamic, E387 airfoil, CFD}, abstract = { In this research, viscous and turbulent flow is simulated numerically on an E387 airfoil as well as on a turbine blade. The main objective of this paper is to investigate various configurations of roughness to find a solution in order to mitigate roughness destructive impacts. Hence, the sand grain roughness is distributed uniformly along pressure side, suction side and both sides during the manufacturing process. Navier-Stokes equations are discretized by the finite volume method and are solved by SIMPLE algorithm. Results indicated that in contrast with previous studies, the roughness will be useful if it is applied on only pressure side of the airfoil. In this condition, the lift coefficient is increased to and 1.2% compare to the airfoil with rough and smooth sides, respectively. However, in 3-D simulation, the lift coefficient of the blade with pressure surface roughness is less than smooth blade, but still its destructive impacts are much less than of both surfaces roughness and suction surfaces roughness. Therefore, it can be deduced that in order to reveal the influence of roughness, the simulation must be accomplished in three dimensions. Article History : Received Jun 12 th 2017; Received in revised form August 27 th 2017; Accepted Oct 3 rd 2017; Available online How to Cite This Article : Jafari, K., Djavareshkian, M.H., Feshalami, B.H. (2017) The Effects of Different Roughness Configurations on Aerodynamic Performance of Wind Turbine Airfoil and Blade. International Journal of Renewable Energy Development, 6(3), 273-281. https://doi.org/10.14710/ijred.6.3.273-281 }, pages = {273--281} doi = {10.14710/ijred.6.3.273-281}, url = {https://ejournal.undip.ac.id/index.php/ijred/article/view/15410} }
Refworks Citation Data :
In this research, viscous and turbulent flow is simulated numerically on an E387 airfoil as well as on a turbine blade. The main objective of this paper is to investigate various configurations of roughness to find a solution in order to mitigate roughness destructive impacts. Hence, the sand grain roughness is distributed uniformly along pressure side, suction side and both sides during the manufacturing process. Navier-Stokes equations are discretized by the finite volume method and are solved by SIMPLE algorithm. Results indicated that in contrast with previous studies, the roughness will be useful if it is applied on only pressure side of the airfoil. In this condition, the lift coefficient is increased to and 1.2% compare to the airfoil with rough and smooth sides, respectively. However, in 3-D simulation, the lift coefficient of the blade with pressure surface roughness is less than smooth blade, but still its destructive impacts are much less than of both surfaces roughness and suction surfaces roughness. Therefore, it can be deduced that in order to reveal the influence of roughness, the simulation must be accomplished in three dimensions.
Article History: Received Jun 12th 2017; Received in revised form August 27th 2017; Accepted Oct 3rd 2017; Available online
How to Cite This Article: Jafari, K., Djavareshkian, M.H., Feshalami, B.H. (2017) The Effects of Different Roughness Configurations on Aerodynamic Performance of Wind Turbine Airfoil and Blade. International Journal of Renewable Energy Development, 6(3), 273-281.
https://doi.org/10.14710/ijred.6.3.273-281
Article Metrics:
Last update:
Analysis of variations in annual energy production based on types of suction side erosion at the blade tip of a wind turbine using numerical simulation
Determination of parameters affecting aerodynamic performance in S833 airfoil
Effects of sand grain roughness height on the performance of wind turbine blade section under extreme weather conditions
Numerical study on the effect of blade surface deterioration by erosion on the performance of a large wind turbine
Aerodynamic Characteristics of Wind Turbines Operating under Hazard Environmental Conditions: A Review
Last update: 2024-11-21 21:21:12
This journal provides immediate open access to its content on the principle that making research freely available to the public supports a greater global exchange of knowledge. Articles are freely available to both subscribers and the wider public with permitted reuse.
All articles published Open Access will be immediately and permanently free for everyone to read and download. We are continuously working with our author communities to select the best choice of license options: Creative Commons Attribution-ShareAlike (CC BY-SA). Authors and readers can copy and redistribute the material in any medium or format, as well as remix, transform, and build upon the material for any purpose, even commercially, but they must give appropriate credit (cite to the article or content), provide a link to the license, and indicate if changes were made. If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original.
International Journal of Renewable Energy Development (ISSN:2252-4940) published by CBIORE is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.