این سایت در حال حاضر پشتیبانی نمی شود و امکان دارد داده های نشریات بروز نباشند
Journal of Applied Fluid Mechanics، جلد ۱۸، شماره ۶، صفحات ۱۴۷۰-۱۴۸۲
عنوان فارسی
چکیده فارسی مقاله
کلیدواژه‌های فارسی مقاله
عنوان انگلیسی Parameter Optimisation of a H-type Three-blade Contra-rotating Vertical-axis Wind Turbine at Low Tip-speed Ratio
چکیده انگلیسی مقاله Renewable energy sources such as wind energy can alleviate climate deterioration and the global energy crisis, and a major piece of equipment for capturing wind energy is the vertical-axis wind turbine (VAWT), with contra-rotating VAWTs (CR-VAWTs) having received focused attention because of their excellent stability. In the study reported here, Taguchi’s method and computational fluid dynamics were used to optimise the four main parameters in the configuration of a three-blade H-type CR-VAWT, i.e. rotor spacing (S), diameter-to-height ratio (D/H), phase angle (α), and rotational direction (r). The optimum CR-VAWT was derived, and its power coefficients were compared with those of a stand-alone VAWT under low tip-speed ratio (TSR). It was found that D/H has the most effect (81.21%) on the CR-VAWT power performance, followed by α (7.37%) and then r (5.83%), with S having the least effect (5.59%). Compared to the stand-alone VAWT, the average power coefficient of the optimum CR-VAWT is much smaller when the TSR is less than 1.25, but the power performance of the latter gradually prevails as the TSR increases. At a TSR of 1.6, the optimum CR-VAWT has an average power factor improvement of 10.6% over the stand-alone VAWT. At the same time, the maximum total torque of the optimum CR-VAWT is only 6% of that of the stand-alone VAWT, giving the CR-VAWT good stability.
کلیدواژه‌های انگلیسی مقاله Contra-rotating vertical axis,wind turbine (CR-VAWT),Taguchi’s method,Parameter optimisation,Low tip-speed ratio,Power performance
نویسندگان مقاله Z. Zhao |
College of Mechanical Engineering, Xinjiang University, Urumqi 830046, China

K. Chen |
College of Mechanical Engineering, Xinjiang University, Urumqi 830046, China

Q. Wang |
College of Mechanical Engineering, Xinjiang University, Urumqi 830046, China

N. Huang |
College of Civil Engineering and Mechanics, Lanzhou University, Lanzhou 730000, China

N. Huang |
College of Civil Engineering and Mechanics, Lanzhou University, Lanzhou 730000, China

نشانی اینترنتی https://www.jafmonline.net/article_2645_6ebc51d3cfa824c2561e1c2c81eecd0e.pdf
فایل مقاله فایلی برای مقاله ذخیره نشده است
کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده
نوع مقاله منتشر شده
برگشت به: صفحه اول پایگاه   |   نسخه مرتبط   |   نشریه مرتبط   |   فهرست نشریات