NUMERICAL INVESTIGATION OF MAGNUS WIND TURBINE NEW BLADE SECTION PERFORMANCE

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KAZEMI SEYYED ALI; NILI AHMADABADI MAHDI; SAGHAFIAN MOHSEN; SEDAGHAT AHMAD

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Journal: Modares Mechanical Engineering Year:2015 | Volume:15 | Issue:1 Page(s): 163-172

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Title

NUMERICAL INVESTIGATION OF MAGNUS WIND TURBINE NEW BLADE SECTION PERFORMANCE

Author(s)

KAZEMI SEYYED ALI | NILI AHMADABADI MAHDI | SAGHAFIAN MOHSEN | SEDAGHAT AHMAD | Issue Writer Certificate

Keywords

MAGNUS EFFECTQ2

WIND TURBINEQ1

MOVING SURFACESQ2

Abstract

The ratio of lift to drag coefficient in WIND TURBINE blades is one of the most important parameters affecting the power coefficient of WIND TURBINEs. Due to the performance of Magnus WIND TURBINEs in low speed air flow, such turbines are attractive for research centers. In the present work, a new geometry for the blades of Magnus WIND TURBINEs is defined. The defined geometry is based on the geometry of a Treadmill with the difference being that the diameter of its leading circle is greater than that of its trailing one. In the present work, the body is assumed to have a low speed air flow while a tangential velocity is applied to the airfoil surfaces and then, its effect on the lift and drag coefficient is studied by numerical method. The effect of generated tangential velocity on the surfaces is investigated for different air flow speed and attack angles, and its results are compared with those for stationary surfaces. The results show that generating tangential velocity along the surfaces causes the lift and drag coefficients and their ratio to be varied considerably. By the tangential movement of the surfaces, the maximum ratio of lift to drag coefficient occurs in zero attack angle which is equal to 109. Moreover, maximum magnitude of lift to drag coefficient for attack angles 5, 10, and 15 degrees are 81, 64, and 57, respectively. It should be mentioned that the results of this study can be used for determining the proper tangential velocity according to attack angle and air flow velocity to reach the maximum ratio of lift to drag coefficient.

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APA: Copy

KAZEMI, SEYYED ALI, NILI AHMADABADI, MAHDI, SAGHAFIAN, MOHSEN, & SEDAGHAT, AHMAD. (2015). NUMERICAL INVESTIGATION OF MAGNUS WIND TURBINE NEW BLADE SECTION PERFORMANCE. MODARES MECHANICAL ENGINEERING, 15(1), 163-172. SID. https://sid.ir/paper/179318/en

Vancouver: Copy

KAZEMI SEYYED ALI, NILI AHMADABADI MAHDI, SAGHAFIAN MOHSEN, SEDAGHAT AHMAD. NUMERICAL INVESTIGATION OF MAGNUS WIND TURBINE NEW BLADE SECTION PERFORMANCE. MODARES MECHANICAL ENGINEERING[Internet]. 2015;15(1):163-172. Available from: https://sid.ir/paper/179318/en

IEEE: Copy

SEYYED ALI KAZEMI, MAHDI NILI AHMADABADI, MOHSEN SAGHAFIAN, and AHMAD SEDAGHAT, “NUMERICAL INVESTIGATION OF MAGNUS WIND TURBINE NEW BLADE SECTION PERFORMANCE,” MODARES MECHANICAL ENGINEERING, vol. 15, no. 1, pp. 163–172, 2015, [Online]. Available: https://sid.ir/paper/179318/en

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