کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
8071485 1521396 2018 29 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
The power performance of an offshore floating wind turbine in platform pitching motion
ترجمه فارسی عنوان
عملکرد قدرت یک توربین بادی شناور در دریای خزر در حرکت پلت فرم
کلمات کلیدی
توربین بادی شناور افریقا، روش گردابه آزاد گام صدا، عملکرد قدرت، فرکانس کاهش یافته،
موضوعات مرتبط
مهندسی و علوم پایه مهندسی انرژی انرژی (عمومی)
چکیده انگلیسی
The platform pitching motion of the Offshore Floating Wind Turbine (OFWT) introduces an additional wind profile to the rotor, which may significantly impact the power performance of the OFWT. In this paper, the power performance of an OFWT in platform pitching motion is investigated using the Free Vortex Method (FVM). Firstly, the pitching and non-pitching cases are compared. Then, the power performance of the OFWT in pitching motions with different amplitudes and frequencies is investigated at the design point (tip speed ratio λ = 7). Afterwards, the reduced frequency k is proposed to integrate the influences of the platform pitching amplitude and frequency. The power performance curves of the pitching OFWT are derived as functions of λ and k in the whole operating region. Results show that as k increases, the mean power output decreases at low λ but increases at high λ. The mean power coefficient declines with the increase of k. The power variation increases with the increases of λ and k. To make up the loss of the mean power coefficient and to mitigate the side effects resulted from the power variation, advanced control strategies and platforms with good motion performances should be developed for OFWTs.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Energy - Volume 154, 1 July 2018, Pages 508-521
نویسندگان
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