Results 21 to 30 of about 4,656,767 (234)
Journal of Fluid Science and Technology, 2016 Effect of the Reynolds number on the torque and power characteristics of a small straight-bladed vertical axis wind turbine has been investigated experimentally under various wind velocity.
Seiji YAMADA +2 more
doaj +1 more source
Energies, 2016 Because of the slow dynamic behavior of the large-inertia wind turbine rotor, variable-speed wind turbines (VSWTs) are actually unable to keep operating at the design tip speed ratio (TSR) during the maximum power point tracking (MPPT) process. Moreover,
Zhiqiang Yang +5 more
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The Effect of Leading-Edge Wavy Shape on the Performance of Small-Scale HAWT Rotors
Energies, 2023 The purpose of this experimental work was to investigate the role of the leading-edge wavy shape technique on the performance of small-scale HAWT fixed-pitch rotor blades operating under off-design conditions.
Riad Morina, Yahya Erkan Akansu
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Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2017 The most primitive control method of wind turbines used to generate electric energy from wind is the fixed speed control method. With this method, it is not possible that turbine input power is transferred to grid at maximum rate.
Murat Karabacak +4 more
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Study the effect of suction flow control on the aerodynamic performance of a wind turbine using 2D section numerical Results [PDF]
مهندسی مکانیک شریف, 2021 In the present work, the numerical investigation of a wind turbine airfoil with suction flow control is initially performed to find the relative improvement in its erodynamic efficiency. Consequently the study of turbine performance is accomplished using
M. Asghari +2 more
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Effect of Macroscopic Turbulent Gust on the Aerodynamic Performance of Vertical Axis Wind Turbine
Energies, 2023 Vertical Axis Wind Turbines (VAWTs) have proven to be suitable for changing wind conditions, particularly in urban settings. In this paper, a 2D URANS (Unsteady Reynolds-Averaged Navier Stokes) numerical analysis is employed for an H-Darrieus VAWT.
Lakshmi Srinivasan +5 more
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Understanding the effects of rotation on the wake of a wind turbine at high Reynolds number
FlowThe wake of a horizontal-axis wind turbine was studied at a Reynolds number of $Re_D=4\times 10^6$ with the aim of revealing the effects of the tip speed ratio, $\lambda$ , on the wake.
Alexander Piqué +2 more
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Effects of the Shock Wave Structure on the Tip Clearance Leakage Flow in Transonic Compressor Rotors
International Journal of Aerospace Engineering, 2023 The interaction between shock waves and the tip clearance flow in a transonic compressor rotor has important effects on the tip clearance flow and the rotor aerodynamic performance.
Xinlong Ye, Zhenggui Zhou
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DMST Approach for Analysis of 2 and 3 Bladed Type Darrieus Vertical Axis Wind Turbine
EAI Endorsed Transactions on Energy Web, 2020 Wind energy has lately been one of the world's leading outlets of clean energy for producing power in potential environments across the globe. Academics currently undertake numerous analysis practices to improve and refine current wind turbine designs ...
Sukanta Roga, Sudhir Kumar Dubey
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Large Tip Clearance Flows in High Pressure Stages of Axial Compressors [PDF]
, 2009 This thesis investigates over tip leakage where the tip clearance is large. In the high pressure stages of axial compressors the tip clearance can be typically 6% of span and the total blockage due to tip clearance can consume in excess of forty percent ...
WILLIAMS, RICHARD,JAMES
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