کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4451995 1620683 2009 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Unsteady flow around a two-dimensional section of a vertical axis turbine for tidal stream energy conversion
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات اقیانوس شناسی
پیش نمایش صفحه اول مقاله
Unsteady flow around a two-dimensional section of a vertical axis turbine for tidal stream energy conversion
چکیده انگلیسی

ABSTRACTThe two-dimensional unsteady flow around a vertical axis turbine for tidal stream energy conversion was investigated using a computational fluid dynamics tool solving the Reynolds-Averaged Navier-Stokes equations. The geometry of the turbine blade section was NACA653-018 airfoil. The computational analysis was done at several different angles of attack and the results were compared with the corresponding experimental data for validation and calibration. Simulations were then carried out for the two-dimensional cross section of a vertical axis turbine. The simulation results demonstrated the usefulness of the method for the typical unsteady flows around vertical axis turbines. The optimum turbine efficiency was achieved for carefully selected combinations of the number of blades and tip speed ratios.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Naval Architecture and Ocean Engineering - Volume 1, Issue 2, December 2009, Pages 64–69
نویسندگان
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