Small horizontal axis wind turbines (HAWTs) are increasingly used as source of energy production. Based on this observation, the blade element momentum theory (BEMT) is applied all along the blade span to calculate the optimal turbine aerodynamic performances. The main objective is to optimize the HAWT blade profile for specific initial conditions. The effects of three geometric parameters (the blade tip radius, the number of blades, and curvature) and one dynamic parameter (the tip speed ratio (TSR)) are determined for an upstream air speed of 7 m/s. A new empirical relation for the chord distribution over the blade span is presented here; , where c0 = 0.04 is the chord offset, A = 1/Z is an amplitude, and B = [(Z/5) + 2] is the decay constant. It takes into account both the effect of blade tip radius and the number of the blades.
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February 2018
Technical Briefs
Application of the Blade Element Momentum Theory to Design Horizontal Axis Wind Turbine Blades
Vincent Dehouck,
Vincent Dehouck
Department of Mechanical Engineering,
Université de Sherbrooke,
2500 blvd. de l'Université,
Sherbrooke, QC J1K 2R1, Canada
Université de Sherbrooke,
2500 blvd. de l'Université,
Sherbrooke, QC J1K 2R1, Canada
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Mohamed Lateb,
Mohamed Lateb
Department of Mechanical Engineering,
Université de Sherbrooke,
2500 blvd. de l'Université,
Sherbrooke, QC J1K 2R1, Canada
Université de Sherbrooke,
2500 blvd. de l'Université,
Sherbrooke, QC J1K 2R1, Canada
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Jonathan Sacheau,
Jonathan Sacheau
Department of Mechanical Engineering,
Université de Sherbrooke,
2500 blvd. de l'Université,
Sherbrooke, QC J1K 2R1, Canada
Université de Sherbrooke,
2500 blvd. de l'Université,
Sherbrooke, QC J1K 2R1, Canada
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Hachimi Fellouah
Hachimi Fellouah
Department of Mechanical Engineering,
Université de Sherbrooke,
2500 blvd. de l'Université,
Sherbrooke, QC J1K 2R1, Canada
e-mail: Hachimi.Fellouah@USherbrooke.ca
Université de Sherbrooke,
2500 blvd. de l'Université,
Sherbrooke, QC J1K 2R1, Canada
e-mail: Hachimi.Fellouah@USherbrooke.ca
Search for other works by this author on:
Vincent Dehouck
Department of Mechanical Engineering,
Université de Sherbrooke,
2500 blvd. de l'Université,
Sherbrooke, QC J1K 2R1, Canada
Université de Sherbrooke,
2500 blvd. de l'Université,
Sherbrooke, QC J1K 2R1, Canada
Mohamed Lateb
Department of Mechanical Engineering,
Université de Sherbrooke,
2500 blvd. de l'Université,
Sherbrooke, QC J1K 2R1, Canada
Université de Sherbrooke,
2500 blvd. de l'Université,
Sherbrooke, QC J1K 2R1, Canada
Jonathan Sacheau
Department of Mechanical Engineering,
Université de Sherbrooke,
2500 blvd. de l'Université,
Sherbrooke, QC J1K 2R1, Canada
Université de Sherbrooke,
2500 blvd. de l'Université,
Sherbrooke, QC J1K 2R1, Canada
Hachimi Fellouah
Department of Mechanical Engineering,
Université de Sherbrooke,
2500 blvd. de l'Université,
Sherbrooke, QC J1K 2R1, Canada
e-mail: Hachimi.Fellouah@USherbrooke.ca
Université de Sherbrooke,
2500 blvd. de l'Université,
Sherbrooke, QC J1K 2R1, Canada
e-mail: Hachimi.Fellouah@USherbrooke.ca
1Corresponding author.
Contributed by the Solar Energy Division of ASME for publication in the JOURNAL OF SOLAR ENERGY ENGINEERING: INCLUDING WIND ENERGY AND BUILDING ENERGY CONSERVATION. Manuscript received March 11, 2016; final manuscript received September 1, 2017; published online October 17, 2017. Assoc. Editor: Douglas Cairns.
J. Sol. Energy Eng. Feb 2018, 140(1): 014501 (9 pages)
Published Online: October 17, 2017
Article history
Received:
March 11, 2016
Revised:
September 1, 2017
Citation
Dehouck, V., Lateb, M., Sacheau, J., and Fellouah, H. (October 17, 2017). "Application of the Blade Element Momentum Theory to Design Horizontal Axis Wind Turbine Blades." ASME. J. Sol. Energy Eng. February 2018; 140(1): 014501. https://doi.org/10.1115/1.4038046
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