EXPERIMENTAL STUDIES OF THE PERFORMANCE EFFICIENCY OF A WIND TURBINE WITH COMBINED BLADES
Tleubergenova A.Z. Dyusembayeva A.N. Tanasheva N.K. Bakhtybekova A.R. Kutumova Z.B. Mukhamedrakhim A.R.
2024E.A. Buketov Karaganda University Publish house
Eurasian Physical Technical Journal
2024#21Issue 231 - 37 pp.
This article studies the aerodynamic characteristics of a wind turbine at different streamline parameters. For this purpose, an experimental sample of the plant with combined power elements in rotating cylinders form with fixed blades was fabricated. The airflow velocity was varied, ranging from 3 to 12 m/s. The results of the experiment to study the variation of the angle α of the fixed blade position relative to the cylinder from the air flow velocity were analyzed. The changes in aerodynamic forces from the air flow velocity are graphically presented. It was found that at the optimal angle α = 0 ° of the fixed blade relative to the cylinder, the maximum values of aerodynamic forces were obtained. Graphs of the dependence of aerodynamic coefficients on the Reynolds number are also constructed, in which it is established that, at α= 0º, the minimum value of the lift coefficient is 0.012 N and the maximum value of the drag coefficient is 10.07 N at Re = 1∙105. The presented results show the effectiveness of the combined use of the and the fixed blade. The experimental results obtained on the aerodynamic parameters of a wind turbine can be used in the development of prototypes of installations designed for low wind speeds.
combined blades , drag force , flow velocity , lift force , Reynolds number , wind tunnel T-1-M , wind turbine
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E.A. Buketov Karaganda University, Karaganda, Kazakhstan
E.A. Buketov Karaganda University, Karaganda, Kazakhstan
E.A. Buketov Karaganda University, Karaganda, Kazakhstan
E.A. Buketov Karaganda University, Karaganda, Kazakhstan
E.A. Buketov Karaganda University, Karaganda, Kazakhstan
E.A. Buketov Karaganda University, Karaganda, Kazakhstan
E.A. Buketov Karaganda University
E.A. Buketov Karaganda University
E.A. Buketov Karaganda University
E.A. Buketov Karaganda University
E.A. Buketov Karaganda University
E.A. Buketov Karaganda University
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