کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6681854 | 1428083 | 2017 | 18 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Cross axis wind turbine: Pushing the limit of wind turbine technology with complementary design
ترجمه فارسی عنوان
توربین بادی محور توربین: با فشار دادن محدودیت فن آوری توربین بادی با طراحی مکمل
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
کلمات کلیدی
انرژی باد، توربین بادی محور توربین، انرژی تجدید پذیر، سیستم انرژی شهری، بهره وری، توربین بادی دریایی،
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
مهندسی انرژی و فناوری های برق
چکیده انگلیسی
In unfavourable wind conditions, factors such as low wind speed, high turbulence, and constant wind direction change can reduce the power production of a horizontal axis wind turbine. Certain vertical axis wind turbine design principles perform well under these harsh operating conditions; but, these wind rotors typically have low power coefficients. To overcome the problems above, a novel cross axis wind turbine has been conceptualised to maximise wind energy generation. This is achieved via harnessing the wind energy from both the horizontal and vertical components of the oncoming wind. The cross axis wind turbine comprises three vertical blades and six horizontal blades arranged in a cross axis orientation. Initial testing using deflectors to guide the oncoming airflow upward showed that the cross axis wind turbine produced significant improvements in power output and rotational speed performance compared to a conventional straight-bladed vertical axis wind turbine. In particular, it was found that the cross axis wind turbine integrated with a 45° deflector produced a power coefficient 2.8 times higher than the vertical axis wind turbine. The rotor rotational speed was increased by 70% with well-improved starting behaviour. Initial computational fluid dynamics analysis was done to illustrate the flow field of the deflected air stream by an omni-directional shroud. The simulation showed that the approaching air is deflected upwards by the guide-vane, which would interact with the horizontal blades and produce additional torque. The cross axis wind turbine is applicable in many locations, creating significant opportunities for wind energy devices and therefore reducing dependencies on fossil fuel.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Energy - Volume 207, 1 December 2017, Pages 78-95
Journal: Applied Energy - Volume 207, 1 December 2017, Pages 78-95
نویسندگان
Wen-Tong Chong, Wan Khairul Muzammil, Kok-Hoe Wong, Chin-Tsan Wang, Mohammed Gwani, Yung-Jeh Chu, Sin-Chew Poh,