EFFECT OF SURFACE ROUGHNESS ON THE AERODYNAMIC PERFORMANCE OF A SECTION OF A WIND TURBINE BLADE

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SOLTANI M.R.; ASKARI SEYED SHOKRI F.; BAKHSH ALIPOUR KALKHOURAN A.

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Journal: Sharif Journal of Civil Engineering Year:2007 | Volume:NEW SERIES (23) | Issue:37 Page(s): 49-58

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Title

EFFECT OF SURFACE ROUGHNESS ON THE AERODYNAMIC PERFORMANCE OF A SECTION OF A WIND TURBINE BLADE

Author(s)

SOLTANI M.R. | ASKARI SEYED SHOKRI F. | BAKHSH ALIPOUR KALKHOURAN A. | Issue Writer Certificate

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Abstract

A series of wind tunnel tests on a section of 660KW wind turbine blade at various Reynolds numbers were performed to investigate its aerodynamic behavior. The tests included the effects of surface roughness and free stream Reynolds number on the pressure distribution and corresponding aerodynamic parameters. The results indicate that surface roughness causes significant performance degradation at all Reynolds numbers. Further, it diminishes the transition point at low angles of attack, reduces upper surface static pressure and enhances the separation region over the model. However, the Reynolds number has a significant effect on the aerodynamic performance of the airfoil, as expected, but, its effect on the surface roughness is minimal. The experimental results were compared with the available engineering and CFD codes, Eppler, Xfoil and Fluent, and the results, at low to moderate angles of attack for the clean model, are satisfactory.

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APA: Copy

SOLTANI, M.R., ASKARI SEYED SHOKRI, F., & BAKHSH ALIPOUR KALKHOURAN, A.. (2007). EFFECT OF SURFACE ROUGHNESS ON THE AERODYNAMIC PERFORMANCE OF A SECTION OF A WIND TURBINE BLADE. SHARIF: CIVIL ENINEERING, NEW SERIES (23)(37), 49-58. SID. https://sid.ir/paper/128010/en

Vancouver: Copy

SOLTANI M.R., ASKARI SEYED SHOKRI F., BAKHSH ALIPOUR KALKHOURAN A.. EFFECT OF SURFACE ROUGHNESS ON THE AERODYNAMIC PERFORMANCE OF A SECTION OF A WIND TURBINE BLADE. SHARIF: CIVIL ENINEERING[Internet]. 2007;NEW SERIES (23)(37):49-58. Available from: https://sid.ir/paper/128010/en

IEEE: Copy

M.R. SOLTANI, F. ASKARI SEYED SHOKRI, and A. BAKHSH ALIPOUR KALKHOURAN, “EFFECT OF SURFACE ROUGHNESS ON THE AERODYNAMIC PERFORMANCE OF A SECTION OF A WIND TURBINE BLADE,” SHARIF: CIVIL ENINEERING, vol. NEW SERIES (23), no. 37, pp. 49–58, 2007, [Online]. Available: https://sid.ir/paper/128010/en

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