کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8062333 | 1520632 | 2018 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Studies on the performance of Savonius rotors in a numerical wave tank
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی دریا (اقیانوس)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Studies on the performance of Savonius rotors in a numerical wave tank Studies on the performance of Savonius rotors in a numerical wave tank](/preview/png/8062333.png)
چکیده انگلیسی
Waves were generated in a numerical wave tank (NWT) using a piston type wave-maker. Firstly, the performance of a 1.8â¯m diameter Savonius rotor was tested at a mean wave height (H) and a mean wave period (T) of 2.00â¯m and 12.68â¯s respectively. The Savonius rotor performed the best at a submergence depth of 1.0 D when compared to greater depths. The power produced by the rotor decreased by 37% at 1.25 D compared to 1.0 D. In addition to this, the blade entry angle also affected the rotor performance. The 20° rotor at 42.5â¯rpm was found to have the best performance. The maximum power and efficiency at the mean sea state were 15.01â¯kW and 16.7% respectively. Secondly, simulations were performed at the minimum sea state (Hâ¯=â¯1.37â¯m, Tâ¯=â¯10.00â¯s) and the maximum sea state (Hâ¯=â¯2.34â¯m, Tâ¯=â¯14.39â¯s). It is observed that the peak power at the maximum sea state is lower than the peak power at the mean sea state. The maximum power that the rotor produced was 15.01â¯kWâ¯at 42.5â¯rpm which gave an efficiency of 16.7% at the mean sea state.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Ocean Engineering - Volume 158, 15 June 2018, Pages 29-37
Journal: Ocean Engineering - Volume 158, 15 June 2018, Pages 29-37
نویسندگان
Deepak Divashkar Prasad, Mohammed Rafiuddin Ahmed, Young-Ho Lee,