Abstract
This paper presents numerical study of the surface curvature effects on the performance of a 3D lab scale tidal turbine (E387) using Eppler 387 airfoil. The prescribed surface curvature distribution blade design method is used to remove the surface curvature discontinuity of E387 turbine and the redesigned turbine is denoted as A7 turbine. The two turbines are analysed using in-house BEM code and CFD RANS. The performance of E387 turbine obtained from BEM and RANS match well with the experimental results from reported literature. The A7 turbine has a mildly better performance at low tip speed ratios (1–4.25) where the rotor is deviated from the designed operating TSR and the blade is partly or fully stalled.
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References
Ahmed, M., Avital, E., Korakianitis, T.: Investigation of improved aerodynamic performance of isolated airfoils using circle method. Proc. Eng. 56, 560–567 (2013)
Ai, K., Avital, E., Shen, X., Samad, A., Venkatesan, N.: Surface curvature effects on performance of a laboratory scale tidal turbine. In: Lecture Notes in Engineering and Computer Science: Proceedings of The World Congress on Engineering 2018, London, pp. 571–575, 4–6 July 2018
Fluent, A.: 18.0 Ansys Fluent Theory Guide 18.0. Ansys Inc. (2017)
Hamakhan, I., Korakianitis, T.: Aerodynamic performance effects of leading-edge geometry in gas-turbine blades. Appl. Energy 87(5), 1591–1601 (2010)
Hodson, H.: Boundary-layer transition and separation near the leading edge of a high-speed turbine blade. J. Eng. Gas Turb. Power 107(1), 127–134 (1985)
Karthikeyan, T., Avital, E. J., Venkatesan, N., Samad, A.: Design and Analysis of a Marine Current Turbine. Proceedings of the ASME 2017 Gas Turbine India Conference. Volume 1: Compressors, Fans and Pumps; Turbines; Heat Transfer; Combustion, Fuels and Emissions. Bangalore, India. December 7–8, (2017). V001T02A014. ASME. https://doi.org/10.1115/GTINDIA2017-4912
Korakianitis, T.: Hierarchical development of three direct-design methods for two-dimensional axial-turbomachinery cascades. J. Turbomach. 115(2), 314–324 (1993)
Korakianitis, T., Hamakhan, I., Rezaienia, M., Wheeler, A., Avital, E., Williams, J.: Design of high-efficiency turbomachinery blades for energy conversion devices with the three-dimensional prescribed surface curvature distribution blade design (circle) method. Appl. Energy 89(1), 215–227 (2012)
Korakianitis, T., Rezaienia, M., Hamakhan, I., Avital, E., Williams, J.: Aerodynamic improvements of wind-turbine airfoil geometries with the prescribed surface curvature distribution blade design (circle) method. J. Eng. Gas Turb. Power 134(8), 082601 (2012)
Korakianitis, T., Rezaienia, M., Hamakhan, I., Wheeler, A.: Two-and three-dimensional prescribed surface curvature distribution blade design (circle) method for the design of high efficiency turbines, compressors, and isolated airfoils. J. Turbomach. 135(4), 041002 (2013)
Lins, C., Musolino, E., Petrichenko, K., Rickerson, W., Sawin, J., Seyboth, K., Skeen, J., Sovacool, B., Sverrisson, F., Williamson, L.: Renewables 2017 Global Status Report (2017)
Luznik, L., Flack, K.A., Lust, E.E., Taylor, K.: The effect of surface waves on the performance characteristics of a model tidal turbine. Renew. Energy 58, 108–114 (2013)
Ning, S.: Airfoilprep.py documentation: Release 0.1.0. Technical Report, National Renewable Energy Laboratory (NREL), Golden (2013)
Rahimian, M., Walker, J., Penesis, I.: Numerical assessment of a horizontal axis marine current turbine performance. Int. J. Marine Energy 20, 151–164 (2017)
Selig, M.S., McGranahan, B.D.: Wind tunnel aerodynamic tests of six airfoils for use on small wind turbines; period of performance: October 31, 2002–January 31, 2003. Technical Report, National Renewable Energy Laboratory (NREL), Golden (2004)
Shen, X., Korakianitis, T., Avital, E.: Numerical investigation of surface curvature effects on aerofoil aerodynamic performance. In: Applied Mechanics and Materials, vol. 798, pp. 589–595. Trans Tech Publications, Zurich (2015)
Shen, X., Avital, E., Paul, G., Rezaienia, M.A., Wen, P., Korakianitis, T.: Experimental study of surface curvature effects on aerodynamic performance of a low Reynolds number airfoil for use in small wind turbines. J. Renew. Sustain. Energy 8(5), 053303 (2016)
Song, Y., Gu, C.W., Xiao, Y.B.: Numerical and theoretical investigations concerning the continuous-surface-curvature effect in compressor blades. Energies 7(12), 8150–8177 (2014)
Acknowledgements
The content of this part was first published in WCE 2018 [2]. The first author would like to thank the Queen Mary – China Scholarship Council Co-funded Scholarships. This research utilised Queen Mary’s Apocrita HPC facility, supported by QMUL Research-IT. http://doi.org/10.5281/zenodo.438045.
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Ai, K., Avital, E., Shen, X., Samad, A., Venkatesan, N. (2019). The Surface Curvature Effect on Performance of a Laboratory Scale Tidal Turbine. In: Ao, SI., Gelman, L., Kim, H. (eds) Transactions on Engineering Technologies. WCE 2018. Springer, Singapore. https://doi.org/10.1007/978-981-32-9531-5_8
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