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Wind Energy Science The interactive open-access journal of the European Academy of Wind Energy
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WES | Articles | Volume 4, issue 4
Wind Energ. Sci., 4, 653–662, 2019
https://doi.org/10.5194/wes-4-653-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Wind Energ. Sci., 4, 653–662, 2019
https://doi.org/10.5194/wes-4-653-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 11 Dec 2019

Research article | 11 Dec 2019

A double-multiple streamtube model for vertical axis wind turbines of arbitrary rotor loading

Anis A. Ayati et al.
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Cited articles  
Beri, H. and Yao, Y.: Double multiple streamtube model and numerical analysis of vertical axis wind turbine, Energy and Power Engineering, 3, 262–270, 2011. a
Betz, A.: Das Maximum der theoretisch möglichen Ausnützung des Windes durch Windmotoren, Zeitschrift für das gesamte Turbinenwesen, 26, 307–309, 1920. a
Buchner, A. J., Lohry, M. W., Martinelli, L., Soria, J., and Smits, A. J.: Dynamic stall in vertical axis wind turbines: comparing experiments and computations, J. Wind Eng. Ind. Aerod., 146, 163–171, 2015. a
Buchner, A. J., Soria, J., Honnery, D., and Smits, A. J.: Dynamic stall in vertical axis wind turbines: scaling and topological considerations, J. Fluid Mech., 841, 746–766, 2018. a
Buhl, J. and Marshall, L.: New empirical relationship between thrust coefficient and induction factor for the turbulent windmill state, Tech. rep., National Renewable Energy Laboratory (NREL), Golden, CO, 2005. a, b
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This work presents an improvement to a popular algorithm used in the prediction of the power of vertical axis wind turbines. While, until now, the algorithm was considered valid only for low rotor speeds and a small number of blades, our improvement makes it valid for any configuration. The predictions of the improved algorithm were found to be of considerable accuracy, when validated with measurements of a small model turbine acquired in a compressed air wind tunnel.
This work presents an improvement to a popular algorithm used in the prediction of the power of...
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