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Wyszukujesz frazę "drive power" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
The characteristics of the operating parameters of the vertical axis wind turbine for the selected wind speed
Autorzy:
Kamiński, Z.
Czyż, Z.
Powiązania:
https://bibliotekanauki.pl/articles/102107.pdf
Data publikacji:
2017
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
wind turbine
renewable energy
wind tunnel
drive torque
power
Opis:
The article presents the results of examining a wind turbine on the vertical axis of rotation. The study was conducted in an open circuit wind tunnel Gunt HM 170 in the laboratory of the Department of Thermodynamics, Fluid Mechanics and Aviation Propulsion Systems at Lublin University of Technology. The subject of research was a rotor based on the patent PL 219985, with blades capable of altering the surface of the active area (receiving kinetic energy of the wind). The study was performed on appropriately scaled and geometrically similar models maintaining, relevant to the type of research, the criterion numbers. The studied rotors with different blade inclination angles were produced using a 3D powder printer ZPrinter® 450. The results of the conducted research were obtained for the flow velocity of 6.5 m/s and three inclination angles, 30°, 60°, and 90°, at variable rotational speed. The test equipment used in the study allows maintaining the required speed, recording velocity and torque, which in turn allows an engineer to measure such characteristics of torque and power as a function of rotor speed.
Źródło:
Advances in Science and Technology. Research Journal; 2017, 11, 1; 58-65
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modelling of Drive System Operation of a Wind Power Plant
Autorzy:
Osowski, Karol
Iwanicki, Wojciech
Kotliński, Jarosław
Musiałek, Ireneusz
Kęsy, Andrzej
Kęsy, Zbigniew
Powiązania:
https://bibliotekanauki.pl/articles/2201926.pdf
Data publikacji:
2023
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
hydrodynamic clutches
drive systems
hydrodynamic clutch tests
wind power plant
Opis:
The article presents experimental and theoretical studies concerning the possibility of using a controlled hydrodynamic clutch in a wind power plant’s drive system. The hydrodynamic clutch is controlled by changing the distance between the hydrodynamic clutch rotors. The control system is supposed to maintain a constant angular velocity of the electric generator shaft. The considered method of control has not been used so far in power plant's drive systems. The advantages of using a controlled hydrodynamic clutch is simple structure, high durability and low weight of the entire drive system. The equations of the mathematical model for the drive system are formulated on the basis of: the balance of torques and the equations of the hydrodynamic clutch with retractable rotors. The equations are based on the one-dimensional flow of the working fluid along the mean line of the stream. The model calculations are conducted numerically. In order to be able to determine the coefficients of the mathematical model, experimental research is conducted on a test bench designed specifically for this purpose. The research determines how the rotation direction and size of the gap between rotors influences the torque transferred by the hydrodynamic clutch, for selected values of the clutch’s filling degree and the working fluid’s temperature. On the basis of the model calculations results it was determined that a hydrodynamic clutch controlled by increasing the distance between rotors may be successfully used in drive systems of wind power plants to maintain a constant angular velocity of the electric generator shaft.
Źródło:
Advances in Science and Technology. Research Journal; 2023, 17, 2; 71--89
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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