RESULTS OF THE EXPERIMENTAL STUDY OF THE FLOW FIELD OF A STATIONARY AIR FLOW DURING THE OPERATION OF A FOUR-BLADE BIDARRIEUS-1 TURBINE
Yershina A.K. Manatbayev R.K. Baizhuma Zh.
2022E.A. Buketov Karaganda University Publish house
Eurasian Physical Technical Journal
2022#19Issue 360 - 68 pp.
There are a great variety of wind turbine constructions but by their principle of operation they are divided into three main types - sail (Savonius wind power unit), propeller and airfoils (Darrieus wind turbine). At present, propeller-type wind-turbines are the most widely spread. They are produced on a commercial level in many countries. Other conditions being equal, the power produced by wind power unit (WPU) is proportional to the area being swept around by a wind wheel. Therefore, Megawatt propeller-type wind turbines have blades with the length of 40 and more meters. Only aircraft works with a highly-qualified personnel and corresponding equipment can produce such long blades of a specific shape. Of high interest have become airfoil wind turbines (Darrieus WPU) lately. They are of a simpler construction and have a quite high wind power utilization factor (ξ=0.45). In spite of the fact that this is a good index of WPU efficiency, the workers of al-Farabi Kazakh National University have developed a new version of a wind turbine which allows increasing 1.3-1.6 times the value of this coefficient. This apparatus is named a Bidarrieus unit. This paper presents the description of a Bidarrieus unit, the principle of its operation and the possibility of increasing the wind power utilization factor. Also, the results of testing an acting laboratory model in an aerodynamic tunnel
Bidarrieus , Darrieus , two-rotor wind power turbine , wind power factor , wind turbine
Text of the article Перейти на текст статьи
Department of Physics, Kazakh National Womens Pedagogical University, Almaty, Kazakhstan
Department of Thermophysics and Technical Physics, Al-Farabi Kazakh National University, Almaty, Kazakhstan
Department of Physics
Department of Thermophysics and Technical Physics
10 лет помогаем публиковать статьи Международный издатель
Книга Публикация научной статьи Волощук 2026 Book Publication of a scientific article 2026