A New Method for Horizontal Axis Wind Turbine (HAWT) Blade Optimization

*Mohammadreza Mohammadi -  Bushehr Gas Company, Iranian National Gas company,, Iran, Islamic Republic of
Alireza Mohammadi -  Gotvand irrigation & Drainage operational Network Company, Iran, Islamic Republic of
Said Farahat -  Sistan and Baluchestan University, Department of Mechanical Engineering, Iran, Islamic Republic of
Published: 15 Feb 2016.
Open Access
Citation Format:
Article Info
Section: Original Research Article
Language: EN
Full Text:
In Vol 5, No 1 (2016): February 2016
Statistics: 1129 2628
Abstract

Iran has a great potential for wind energy. This paper introduces optimization of 7 wind turbine blades for small and medium scales in a determined wind condition of Zabol site, Iran, where the average wind speed is considered 7 m /s. Considered wind turbines are 3 bladed and radius of 7 case study turbine blades are 4.5 m, 6.5 m, 8 m, 9 m, 10 m, 15.5 m and 20 m. As the first step, an initial design is performed using one airfoil (NACA 63-215) across the blade. In the next step, every blade is divided into three sections, while the 20 % of first part of the blade is considered as root, the 5% of last the part is considered as tip and the rest of the blade as mid part. Providing necessary input data, suitable airfoils for wind turbines including 43 airfoils are extracted and their experimental data are entered in optimization process. Three variables in this optimization problem would be airfoil type, attack angle and chord, where the objective function is maximum output torque. A MATLAB code was written for design and optimization of the blade, which was validated with a previous experimental work. In addition, a comparison was made to show the effect of optimization with two variables (airfoil type and attack angle) versus optimization with three variables (airfoil type, attack angle and chord) on output torque increase. Results of this research shows a dramatic increase in comparison to initial designed blade with one airfoil where two variable optimization causes 7.7% to 22.27 % enhancement and three variable optimization causes 17.91% up to 24.48% rise in output torque .

Article History: Received Oct 15, 2015; Received in revised form January 2, 2016; Accepted January 14, 2016; Available online

How to Cite This Article: Mohammadi, M., Mohammadi, A. and Farahat, S. (2016) A New Method for Horizontal Axis Wind Turbine (HAWT) Blade Optimization. Int. Journal of Renewable Energy Development, 5(1),1-8.

http://dx.doi.org/10.14710/ijred.5.1.1-8

Keywords
Optimization, Wind turbine blade, Airfoil, Aerodynamics, Wind Turbine Output Torque

Article Metrics:

  1. Allalia, K., Azzaga, E., Labara,H. (2015) Techno-economic Analysis of a Wind-Diesel Hybrid Power System in the South Algeria. Int.Journal of Renewable Energy Development, 4(2) 137-142.
  2. Cencelli, N. (2006). Aerodynamic Optimization OF a Small-Scale Wind Turbine Blade for Low Wind speed Conditions. Master of Science thesis report.
  3. Chen, J., Wang, Q. , Shen, W., Pang, X., Li, S., Guo, X. (2013). Structural optimization study of composite wind turbine blade. Materials & Design, 46, p.247-255.
  4. Gandomkar, A. (2008) , Wind potential assessment in Iran, Geography an planning journal.(in Persian)
  5. Kulunk, E. (2011). Aerodynamics of Wind Turbines, Fundamental and Advanced Topics in Wind Power, Dr Rupp Carriveau (Ed.).
  6. Mahmoodi, E., Jafari, A., Keyhanib, A. (2015) Wind Turbine Rotor Simulation via CFD Based Actuator Disc Technique Compared to Detailed Measurement. Int.Journal of Renewable Energy Development. 4 (3) 205-210.
  7. Manwell, J., McGowan, J. (2009). Theory Design and Application. John Wiley and Sons, Second Edition, ch 3, pp.103-134.
  8. Mohammadi, M. R., Mohammadi, A., Mohammadi, M., Neisi Minaei, H. (2016) Optimization of Small Scale Wind Turbine Blades for Low Speed Conditions. Journal of Clean Energy Technologies (JOCET), 4, (3), 140-143.
  9. Mohammadi,M., mohammadi, A., Mohammadi, M.R. (2014) Potential Issue of Jet Stream and Its Energy Generation Potential in Iran. 22nd Annual International Conference on Mechanical Engineering, Shahid Chamran University of Ahvaz. (In Persian)
  10. Nedaei, M. (2012) Wind Resource Assessment in Abadan Airport in Iran. Int. Journal of Renewable Energy Development (IJRED), 1(3), 87-97.
  11. Polat, O., Tuncer, I. (2013). Aerodynamic Shape Optimization of Wind Turbine Blades Using a Parallel Genetic Algorithm. 25th International Conference on Parallel Computational Fluid Dynamics.
  12. Pourrajabian, A., Mirzaei, M., Ebrahimi, R., Wood, D. (2014). Effect of air density on the performance of a small wind turbine blade a case study in Iran. Journal of Wind Engineering and Industrial Aerodynamics, Volume 126. p. 1-10.
  13. Qafleshia, M., Kryeziub,D., Alikoa,L. (2015) Potential of Wind Energy in Albania and Kosovo: Equity Payback and GHG Reduction of Wind Turbine Installation. Int. Journal of Renewable Energy Development, 4 (1) ,11-19.
  14. Renewable energy Organization of Iran website, http://www.suna.org.ir/fa/aboutorganization/ationoffice/windenergyoffice/windatlasmap, as accurate of November 2015.
  15. Sedaghat, A., Assad, M., Gaith, M. (2014). Aerodynamics performance of continuously variable speed horizontal axis wind turbine with optimal blades, Energy. 77 , 752-759.
  16. Sharifi,A., Nobari,M. (2013). Prediction of optimum section pitch angle distribution along wind turbine blades. Energy Conversion and Management, 67, 342-350.
  17. Vestas wind system (1987) manual chapter 2, pp. 1 to 12.
  18. Ying, P., Chen, Y., Xu, Y. (2015) an aerodynamic analysis of a novel small wind turbine based on impulse turbine principles, Renewable Energy, 75. 37–43.
  19. Zhu, W., Shen, W., Sørensen, J., (2014). Integrated airfoil and blade design method for large wind turbines. Renewable Energy, 70, 172–183.

The Authors submitting a manuscript do so on the understanding that if accepted for publication, copyright of the article shall be assigned to International Journal of Renewable Energy Development and Center of Biomass and Renewable Energy, Department of Chemical Engineering Diponegoro University as publisher of the journal.

Copyright encompasses exclusive rights to reproduce and deliver the article in all form and media, including reprints, photographs, microfilms and any other similar reproductions, as well as translations. The reproduction of any part of this journal, its storage in databases and its transmission by any form or media, such as electronic, electrostatic and mechanical copies, photocopies, recordings, magnetic media, etc. , will be allowed only with a written permission from International Journal of Renewable Energy Development and Center of Biomass and Renewable Energy, Department of Chemical Engineering Diponegoro University.

International Journal of Renewable Energy Development and Center of Biomass and Renewable Energy, Department of Chemical Engineering Diponegoro University, the Editors and the Advisory International Editorial Board make every effort to ensure that no wrong or misleading data, opinions or statements be published in the journal. In any way, the contents of the articles and advertisements published in the International Journal of Renewable Energy Development are sole and exclusive responsibility of their respective authors and advertisers.