AERODYNAMIC DESIGN AND OPTIMIZATION OF A MEGAWATT WIND TURBINE BLADE BASED ON BLADE ELEMENT MOMENTUM THEORY

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MORADTABRIZI HAMID; NEJAT AMIR

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Journal: Modares Mechanical Engineering Year:2016 | Volume:15 | Issue:10 Page(s): 279-290

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Information Journal Paper

Title

AERODYNAMIC DESIGN AND OPTIMIZATION OF A MEGAWATT WIND TURBINE BLADE BASED ON BLADE ELEMENT MOMENTUM THEORY

Author(s)

MORADTABRIZI HAMID | NEJAT AMIR | Issue Writer Certificate

Keywords

AERODYNAMIC DESIGNQ2

BLADE ELEMENT MOMENTUM (BEM) THEORYQ2

BLADE GEOMETRIC MODIFICATIONQ2

OPTIMIZATION USING GENETIC ALGORITHMQ2

3D CFD SIMULATIONQ2

Abstract

In this paper, a useful method proposed for AERODYNAMIC DESIGN of Megawatt wind turbine blade based on Blade Element Momentum (BEM) theory. In this method first a preliminary design is done based on the ideal BEM and then a method have been offered for geometric modifications to approximate the geometry of the blade to a real and functionally one. The advantage of this method is that needed few design parameters that simplify the design procedure, however its results are in good agreement with 5MW NREL reference wind turbine assumed as validation case and show that with use of this method can achieve a good AERODYNAMIC DESIGN, Then the twist angle has been optimized using Genetic algorithm and Bezier curve with annual energy production (AEP) as the goal function. At the end, a 2.5 MW wind turbine has been design based on this method with considering the Lootak site specifications in province of Sistan and Baloochestan. Then 3D model of the blade has been made and CFD simulation applied on that for showing the designed turbine operation in real conditions and comparison with BEM method. The results show that is acceptable compatibility between two analytical methods.

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APA: Copy

MORADTABRIZI, HAMID, & NEJAT, AMIR. (2016). AERODYNAMIC DESIGN AND OPTIMIZATION OF A MEGAWATT WIND TURBINE BLADE BASED ON BLADE ELEMENT MOMENTUM THEORY. MODARES MECHANICAL ENGINEERING, 15(10), 279-290. SID. https://sid.ir/paper/179640/en

Vancouver: Copy

MORADTABRIZI HAMID, NEJAT AMIR. AERODYNAMIC DESIGN AND OPTIMIZATION OF A MEGAWATT WIND TURBINE BLADE BASED ON BLADE ELEMENT MOMENTUM THEORY. MODARES MECHANICAL ENGINEERING[Internet]. 2016;15(10):279-290. Available from: https://sid.ir/paper/179640/en

IEEE: Copy

HAMID MORADTABRIZI, and AMIR NEJAT, “AERODYNAMIC DESIGN AND OPTIMIZATION OF A MEGAWATT WIND TURBINE BLADE BASED ON BLADE ELEMENT MOMENTUM THEORY,” MODARES MECHANICAL ENGINEERING, vol. 15, no. 10, pp. 279–290, 2016, [Online]. Available: https://sid.ir/paper/179640/en

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