Results 11 to 20 of about 636 (188)
Improving the Structural Integrity of Composite Blades in Vertical Axis Wind Turbines: A Parametric Study Employing the Finite Element Method [PDF]
Port Said Engineering Research Journal, 2023 The objective of this work is to conduct a stress analysis of an H-rotor vertical axis wind turbine (VAWT) blade under aerodynamic loads. The rotor blade is designed based on the maximum deflection and bending stresses at extreme loading conditions ...
Rasha Soliman +3 more
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Effect of Helix Angle on the Performance of Helical Vertical Axis Wind Turbine
Energies, 2021 The energy crisis has forced researchers to look for various non-conventional energy sources. Wind energy is one of the potential sources, and researchers have invested resources in developing different kinds of wind turbines. Vertical axis wind turbines
Unnikrishnan Divakaran +3 more
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Influence of pitching on performance of VAWTs [PDF]
PAMM, 2013 AbstractSelf‐ starting is the major obstacle to be overcome for successful design of a vertical axis wind turbine (VAWT). In the past has been suggested that pitching the turbine blades such that pitch angle is not 90 degrees allows for self‐starting.
Radu Bogateanu +3 more
openaire +1 more source
Direct Measurements of Turbulence and Flow Characteristics of a Vertical Axis Wind Turbine Using the Eddy Covariance Method [PDF]
Iranica Journal of Energy and Environment, 2016 Turbulence intensity measurements of vertical axis wind turbine (VAWT) are essential to detemineitsefficiency and performance. In this study, the eddy covariance (EC) method was used to characterise the flow and directly measure turbulence of a VAWT in a
Y. H’ng, Y. Yusup
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Energies, 2021 In order to get rid of the impact of the global financial crisis and actively respond to global climate change, it has become a common choice for global economic development to develop clean energy such as wind energy, improve energy efficiency and ...
Fang Feng +3 more
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CFD Analysis of Vertical Axis Wind Turbine with Winglets [PDF]
Renewable Energy Research and Applications, 2022 The current research illustrates the optimization of Vertical Axis Wind Turbine (VAWT) blades with implementation of added winglets displaying improved self-starting capabilities.
Sh.Sh. Dol +4 more
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Parameter Optimisation of a H-type Three-blade Contra-rotating Vertical-axis Wind Turbine at Low Tip-speed Ratio [PDF]
Journal of Applied Fluid MechanicsRenewable 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
Z. Zhao, K. Chen, Q. Wang, T. Su, H. Hu
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Shanghai Jiaotong Daxue xuebao, 2023 Low power efficiency is a critical factor that restricts the engineering application of the vertical axis wind turbine (VAWT). In order to improve the efficiency of VAWT and reduce aerodynamic load, an improved aerodynamic performance optimization model ...
CHEN Hao, DAI Mengyi, HAN Zhaolong, ZHOU Dai, BAO Yan, TU Jiahuang
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Energy Science & Engineering, 2019 The aerodynamic performance of three different configurations of vertical axis wind turbines (VAWT), namely: (a) conventional Darrieus troposkein VAWT (based on turbines designed by Sandia National Laboratories), (b) novel 50% STS‐VAWT (50% shifted ...
Doma Hilewit +4 more
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Vertical Axis Wind Turbine for Low Wind Speed Environment: Effect of Scoop Harmony Blade [PDF]
E3S Web of ConferencesThe wind condition in Malaysia is in the low-speed category with an average speed of 1 ms-1 to 4 ms-1. Effect of ground level relies significantly on the wind speed distribution.
Syahin A.A.T. +4 more
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