2-D CFD Computations of the Two-Bladed Darrieus-Type Wind Turbine

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Rogowski k.; HANSEN M.O.L.; Lichota p.

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Paper Information

Journal: JOURNAL OF APPLIED FLUID MECHANICS (JAFM) Year:2018 | Volume:11 | Issue:4 Page(s): 835-845

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Title

2-D CFD Computations of the Two-Bladed Darrieus-Type Wind Turbine

Author(s)

Rogowski k. | HANSEN M.O.L. | Lichota p. | Issue Writer Certificate

Keywords

Wind turbine

Aerodynamic blade loads

Aerodynamic wake

Streak line

Abstract

In spite of the attractiveness of CFD methods and advanced measurement methods, there is still no full analysis of Aerodynamic blade loads for vertical axis Darrieus-type Wind turbines. Due to an inherently unsteady flow around the rotor blades, blade-wake-blade interaction and the occurrence of dynamic stall, the aerodynamics of this type of Wind turbine is very complex. A two-bladed rotor have been investigated numerically for the tip speed ratio of 5. 0. This paper compares results for Aerodynamic blade loads obtained applying such turbulence models as: the standard k-ε ; the RNG k-ε ; the Realizable k-ε and the SST k-ω . As a result, quantitative instantaneous blade forces as well as instantaneous wake profiles behind the rotor have been obtained. Aerodynamic wake behind the rotor is also visualized by using Streak lines. All CFD results are compared with experimental data taken from literature. Good agreement between the numerical results and the experiment is shown for the Aerodynamic blade loads as well as for Aerodynamic wake behind the rotor.

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APA: Copy

Rogowski, k., HANSEN, M.O.L., & Lichota, p.. (2018). 2-D CFD Computations of the Two-Bladed Darrieus-Type Wind Turbine. JOURNAL OF APPLIED FLUID MECHANICS (JAFM), 11(4), 835-845. SID. https://sid.ir/paper/308069/en

Vancouver: Copy

Rogowski k., HANSEN M.O.L., Lichota p.. 2-D CFD Computations of the Two-Bladed Darrieus-Type Wind Turbine. JOURNAL OF APPLIED FLUID MECHANICS (JAFM)[Internet]. 2018;11(4):835-845. Available from: https://sid.ir/paper/308069/en

IEEE: Copy

k. Rogowski, M.O.L. HANSEN, and p. Lichota, “2-D CFD Computations of the Two-Bladed Darrieus-Type Wind Turbine,” JOURNAL OF APPLIED FLUID MECHANICS (JAFM), vol. 11, no. 4, pp. 835–845, 2018, [Online]. Available: https://sid.ir/paper/308069/en

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