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الرئيسية > Influence of Design Tip Speed...>الوصف

Influence of Design Tip Speed Ratio and Rated Wind Speed on Energy Yield of Horizontal Wind Turbine

المصدر: مجلة البحوث العلمية
الناشر: جامعة أفريقيا للعلوم الإنسانية والتطبيقية
المؤلف الرئيسي: Naili, Mohamed Ali (Author)
المجلد/العدد: مج2, ع3
محكمة: نعم
الدولة: ليبيا
التاريخ الميلادي: 2017
الصفحات: 25 - 35
رقم MD: 903474
نوع المحتوى: بحوث ومقالات
اللغة: الإنجليزية
قواعد المعلومات: HumanIndex
مواضيع:
طاقة الرياح | إنتاج الطاقة | توربينات الرياح | سرعة الرياح
رابط المحتوى:
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المستخلص: Wind turbines are the means of converting wind energy into electrical energy. It is not unexpected that certain brands of horizontal wind turbines are optimally designed for certain wind speed regimes prevailing at certain sites. It has been the objective of this study to find out whether it is possible to design a wind turbine that is more suitable for a site of lower annual mean wind speed such as the western coast of Libya. In achieving this objective, use was made of a typical wind turbine aerodynamic design and performance analysis procedure together with actual wind speed data recorded at the city of Misurata. Based on the annual wind energy yield obtained from different designs of wind turbines having different rated wind speeds and different blade design tip speed ratios, this study indicates that the decrease of the rated wind speed leads to a continuous increase of annual energy yield as well as an increase of the cost of the wind turbine. There fore the optimum value of rated wind speed for this site may only be determined as a compromise between added wind energy yield and added cost. Moreover, for any given rated wind speed this study indicates that a blade design tip speed ratio equal to six seems to be the optimum value for the given site.

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