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The Effect of Trailing Edge Profile Modifications to Fluid-Structure Interactions of a Vertical Axis Tidal Turbine Blade

1Power Plant Engineering, Department of Mechanical Engineering and Energy, Electronic Engineering Polytechnic Institute of Surabaya, Indonesia

2Fluid Structure Interactions Group, University of Southampton, United Kingdom

Received: 9 Feb 2022; Revised: 15 Apr 2022; Accepted: 26 Apr 2022; Available online: 1 May 2022; Published: 4 Aug 2022.
Editor(s): H. Hadiyanto
Open Access Copyright (c) 2022 The Author(s). Published by Centre of Biomass and Renewable Energy (CBIORE)
Creative Commons License This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

Citation Format:
Renewable energy has become an essential energy alternative since the continual depletion of non-renewable energy resources and increasing environmental issues. Tidal energy is a promising future renewable resource which can be extracted using a vertical axis tidal turbine. Since it was proposed, a tidal turbine performance requires improvements which can be obtained by a blade’s trailing edge modification. Modifying the blade’s trailing edge profile is confirmed to be one way to improve a turbine’s work. However, the influence of a trailing edge modifications on a vertical axis tidal turbine blade’s interaction with fluid has not been fully understood, thus the fluid induced vibration as the fluid behaviour working on a vertical axis tidal turbine blade has not been completely discovered. In this paper, 2D fluid-structure interactions of modified vertical axis tidal turbine blades are examined and modelled using OpenFOAM. Three different modified blade profiles are proposed: sharp, rounded, and blunt. The modified profiles are employed to an original NACA 0012 blade and their influences on a vertical axis tidal turbine blade interaction are observed. The result discovers the fluid behaviour and fluid-induced vibrations at all positions (represented by 12 positions) over one turbine’s cycle. The results demonstrate the frequency domain blade velocities and time domain blade displacements for all modified blades. The fluid behaviour around the blade is confirmed by pressure distribution plots over the blade’s upper and lower surfaces. The results show that the blunt profile provides less frequent vibrations due to a reducing vorticity in the downstream fluid regime. However, the vibration amplitude that occurs on the blunt blade is higher than those of rounded and sharp profiles. Based on this research, the blunt trailing edge profile appears to be more favourable to be applied and used for vertical axis tidal turbine blades.
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Keywords: Fluid-structure interactions; modified blades; fluid induced vibrations; OpenFOAM;tidal energy

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  1. Almohammadi, K. M., Ingham, D. B., Ma, L., and Pourkashanian, M. (2015). 2D CFD analysis of the effect of trailing edge shape on the performance of a straight-blade vertical axis wind turbine. IEEE Transactions on Sustainable Energy, 6(1), 228-235. DOI: 10.1109/TSTE.2014.2365474
  2. Arini, N., Turnock, S., and Tan, M.-Y. (2018) 2D Fluid Structure Interaction Analysis Of A Vertical Axis Tidal Turbine Blade Using Periodic Inflow Equivalence Model. Accepted in Part M: Journal of Engineering for the Maritime Environment, Vol 232(1), 5-18. DOI: 10.1177/1475090217733843
  3. Bishop, R. and Hassan, A. (07-01-1964). The lift and drag forces on a circular cylinder oscillating in a flowing fluid. In Proceedings of the Royal Society of London A: Mathematical, Physical and Engineering Sciences, volume 277, pages 51-75. The Royal Society. DOI:
  4. Blevins, R. D. (1977). Flow-induced vibration. New York
  5. Borthwick, A. G. L. (2016) Marine Renewable Energy Seascape. Engineering 2, 69-78. DOI:
  6. Bourgeois, J., Noack, B., and Martinuzzi, R. (2013a). Generalized phase average with applications to sensor-based flow estimation of the wall-mounted square cylinder wake. Journal of Fluid Mechanics, 736, 316–350. DOI:
  7. Bourgeois, J., Noack, B. R., and Martinuzzi, R. J. (2013b). Generalized phase averaging of experimental surface-mounted body wake measurements: 3D coherent structures & dynamical models. In TSFP DIGITAL LIBRARY ONLINE. Begel House Inc. 1-6. ISSN Online:2642-0554
  8. Brusca, S., Lanzafame, R., and Messina, M. (2014). Design of a vertical-axis wind turbine: how the aspect ratio affects the turbines performance. International Journal of Energy and Environmental Engineering, 5(4),333–340. DOI:
  9. Chandravanshi, L. K., Chajjed, S., and Sarkar, S. (16-12-2010). Study of wake pattern behind an oscillating airfoil. In Proceeding of the 37th National & 4th International Conference on Fluid Mechanics and Fluid Power, December, pages 16-18.
  10. Chowdhury, M. S., Rahman, K. S., Selvanathan, V., Nuthammachot, N., Suklueng, M., Mostafaeipour, A., ... & Techato, K. (2021). Current trends and prospects of tidal energy technology. Environment, development and sustainability, 23(6), 8179-8194. DOI:
  11. Da Lozzo, E., Auricchio, F., and Calvi, G. (2012). Added mass model for vertical circular cylinder partially immersed in water. Proceedings of 15th WCEE, Lisboa. DOI:
  12. De La Torre, O., Escaler, X., Egusquiza, E., and Farhat, M. (2013). Experimental investigation of added mass effects on a hydrofoil under cavitation conditions. Journal of Fluids and Structures, 39,173–187. DOI:
  13. El-Gammal, M., Naughton, J., and Hangan, H. (2010). Drag force balance of a blunt and divergent trailing-edge airfoil. Journal of Aircraft, 47(1),345–348. DOI:
  14. Eriksson, S., Bernhoff, H., and Leijon, M. (2008). Evaluation of different turbine concepts for wind power. Renewable and Sustainable Energy Reviews, 12(5),1419– 1434. DOI:
  15. Ghassemi, H. and Yari, E. (2011). The added mass coefficient computation of sphere, ellipsoid and marine propellers using boundary element method. Polish Maritime Research, 18(1),17–26. DOI:
  16. Goett, H. J. and Bullivant, W. K. (1939). Tests of naca 0009, 0012, and 0018 airfoils in the full-scale tunnel. National Advisory Committe for Aeronautics Report, (67).
  17. Gomez, A. and Pinilla, A. (2006). Aerodynamic characteristic of airfoils with blunt trailing edge. In Revista de Ingeria, pages 23–33.
  18. Gosselin, R., Dumas, G., and Boudreau, M. (2013). Parametric study of h-darrieus vertical-axis turbines using urans simulations. In 21st annual conference of the CFD society of Canada. DOI:
  19. Hussain, A. and Reynolds, W. (1971). The mechanics of an organized wave in turbulent shear flow. part 2. experimental results. Journal of Fluid Mechanics, 54(02),241{261. DOI:
  20. Hussain, A. K. M. F. and Reynolds, W. C. (1969). The mechanics of an organized wave in turbulent shear flow. Journal of Fluid Mechanics, 41(2),241-258. DOI:
  21. Jung, Y. and Park, S. (2005). Vortex-shedding characteristics in the wake of an oscillating airfoil at flow Reynolds number. Journal of Fluids and Structures, 20(3),451- 464. DOI:
  22. Kahn, D. L., van Dam, C., and Berg, D. E. (2008). Trailing edge modifications for flatback airfoils. technincal report. institution: Sandia national laboratories.
  23. Khalid, M. S. U., Akhtar, I., and Durrani, N. I. (14-10-2014). Analysis of Strouhal number-based equivalence of pitching and plunging air foils and wake deflection. Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 229(8):1423-1434. DOI:
  24. Khalid, S. S., Liang, Z., & Shah, N. (2012). Harnessing tidal energy using vertical axis tidal turbine. Research Journal of Applied Sciences, Engineering and Technology, 5(1), 239-252.
  25. Khan, N., Kalair, A., Abas, N., Haider, A. (2017) Review of ocean tidal, wave and thermal energy technologies. Renewable and Sustainable Energy Technologies, 72, 590-604. DOI:
  26. Krentel, D. and Nitsche, W. (2013). Investigation of the near and far wake of a bluff airfoil model with trailing edge modifications using time-resolved particle image velocimetry. Experiments in fluids, 54(7),1551. DOI:
  27. Magagna, D., & Uihlein, A. (2015). Ocean energy development in Europe: Current status and future perspectives. International Journal of Marine Energy, 11, 84-104. DOI:
  28. Mittal, S. and Saxena, P. (2002). Hysteresis in flow past a naca 0012 airfoil. Computer methods in applied mechanics and engineering, 191(19), 2207–2217. DOI:
  29. Murcia, J. P. and Pinilla, ´A. (2011). CFD analysis of blunt trailing edge airfoils obtained with several modification methods. Revista de Ingenier´ıa, (33), 14–24. DOI:
  30. Neill, S. P., Haas, K. A., Thiébot, J., & Yang, Z. (2021). A review of tidal energy—Resource, feedbacks, and environmental interactions. Journal of Renewable and Sustainable Energy, 13(6), 062702. DOI: 10.1063/5.0069452
  31. OpenFOAM foundation (2017). the open source cfd toolbox user guide openfoam. Last accessed on 02/04/2017
  32. Ostermann, F., Woszidlo, R., Gaertlein, S., Nayeri, C., and Paschereit, C. O. (2015). Phase-averaging methods for a naturally oscillating flow field. In 52nd Aerospace Sciences Meeting, page 1142. DOI:
  33. Perrin, R., Braza, M., Cid, E., Cazin, S., Barthet, A., Sevrain, A., Mockett, C., and Thiele, F. (2006a). Obtaining phase averaged turbulence properties in the near wake of a circular cylinder at high Reynolds number using POD. Experiments in Fluids, 43(2-3),341–355. DOI:
  34. Perrin, R., Braza, M., Cid, E., Cazin, S., Moradei, F., Barthet, A., Sevrain, A., and Hoarau, Y. (2006b). Near-wake turbulence properties in the high Reynolds number incompressible flow around a circular cylinder measured by two-and three-component PIV. Flow, turbulence and combustion, 77(1),185–204. DOI:
  35. Ramjee, V., Tulapurkara, E., and Balabaskaran, V. (1986). Experimental and theoretical study of wings with blunt trailing edges. Journal of aircraft, 23(4), 349-352. DOI:
  36. Riegler, H. (2003). HAWT versus VAWT: Small VAWTs find a clear niche. Refocus, 4(4), 44–46. DOI:
  37. Shetty, C., & Priyam, A. (2021). A review on tidal energy technologies. Materials Today: Proceedings. DOI:
  38. Smith, A. and Schaefer, R. F. (1950). Aerodynamics characteristic at Reynolds numbers 3x106 and 6x106 of three airfoil sections formed by cutting off various amounts from the rear portion of the NACA 0012 airfoil section. technical notes. national advisory committee for aeronautics. DOI:
  39. Standish, K., Van Dam, C. (2003). Aerodynamic analysis of blunt trailing edge airfoils. Transactions-American Society of Mechanical Engineers Journal of Solar Energy Engineering, 125(4), 479–487. DOI:
  40. Thompson, B. and Whitelaw, J. (1988). Flow-around airfoils with blunt, round, and sharp trailing edges. Journal of aircraft, 25(4), 334–342. DOI:
  41. Uihlein, A., Magagna, D. (2016) Wave and Tidal current energy – A review of the current state of research beyond technology. DOI:
  42. Vikas, M., Rao, S., & Seelam, J. K. (2016, December). Tidal energy: a review. In Proceedings of International Conference on Hydraulics, Water Resources and Coastal Engineering (Hydro2016). DOI:
  43. Zhou, Z., Benbouzid, M., Charpentier, J-F., Scuiller, F. (2017) Developments in large marine current turbine technologies – A review. Renewable and Sustainable Energy Technologies, 71, 590-604. DOI:

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