...Zhiyong Li; Jiahua Pi; Yuan Cao; Xin Wang With the increasing size and scale of wind turbines, the ripple caused by wind shear may have negative effects on wind turbines, such as decreasing grid-connected power quality and increasing mechanical loss. To address this issue, a virtual dual-ripple...

...), and environmental (carbon emission and particulate matter). Three HRES setups are investigated, with various combinations of photovoltaic (PV), wind turbine (WT), battery (BAT), biogas generator (BG), and diesel generator (DG) and the optimal configuration is selected by STEE performance analysis. Compared to other...

...Phanisri P. Pratapa; Hieu H. Nguyen; Lance Manuel The generation of wind fields is of interest in the study of the structural performance of wind turbines in critical events, such as thunderstorm downbursts. Various methods ranging from the use of empirical data to employing computational...

...Mohamed Taher Bouzaher; Belhi Guerira To improve the efficiency of a Savonius vertical axis wind turbine, this investigation proposes the use of expandable blades instead of rigid blades. The expandable blades have the ability to change their form during the turbine rotation. The expansion...

...Micha Premkumar Thomai; Seralathan Sivamani; Hariram Venkatesan Many turbine models have been evolved to ameliorate the functioning of the small wind energy system. The newly developed helical Bach-type vertical axis wind turbine (VAWT) is used in this analysis with an idea to improve the overall...

... analysis photovoltaics storage hybrid power system stand-alone wind turbine In the last decade, the use of fossil resources has negative environmental impact due to the emission of greenhouse gases (CO 2 ). To solve this problem, sustainable power sources such as wind, photovoltaic (PV...

...Hamidreza Abedi; Bastian Nebenführ; Lars Davidson The generated power and thrust of a wind turbine strongly depend on the flow field around the turbine. In the present study, three different inflow methods, i.e., a time series (TS) from large eddy simulation (LES) of atmospheric boundary layer flow...

... the evaluation of the system’s behavior under different demand scenarios, as well as to implement different energy management strategies. In addition to the base model comprised a photovoltaic panel, a wind turbine, an inverter, and an energy storage element, this work presents the implementation and performance...

... of such a system and its improved quality of power generation. Email: rakbari@purdue.edu Email: aizadian@purdue.edu References [1] Artigao , E. , Martín-Martínez , S. , Honrubia-Escribano , A. , and Gómez-Lázaro , E. , 2018 , “ Wind Turbine Reliability: A Comprehensive Review...

... of the actual output power and NWP data is 15 min. When the outliers caused by wind turbine stop-operating or SCADA system failures are excluded, the remaining data have 27,427 data points. To ensure the independence of the training sample set and the testing sample set, the January data was taken...

...Jyotirmoy Sarma; Siddhant Jain; Prasenjit Mukherjee; Ujjwal K. Saha Over the last few decades, the vertical-axis wind turbines (VAWTs) have undergone intensive research mainly due to their design simplicity and independency of wind direction. The drag-based Savonius wind rotor exhibits a better...

...Sobhy M. Ghoneam; Ahmed A. Hamada; Taha S. Sherif This article presents a comprehensive study of the dynamic behavior of small vertical-axis wind turbines (VAWTs) based on local fabricated Savonius VAWTs, which is suitable for countries that have a moderate wind speed. The merits of this design...

... pollination clean energy wind turbine The use of renewable energies is inevitable to meet the growing demand for energy for all humanity. This is based on a real fear of climate change, depletion of fossil fuels, and the instability of the oil market. Among the cleanest energy sources, wind power...

...Sobhy Ghoneam; Ahmed Hamada; Taha Sherif This article presents a study of modeling and optimization for the dynamic performance of wind turbine composite material blades and investigates the effects of composite material stacking sequence in addition to some design parameters such as twist angle (ɸ...

... 2020 20 06 2020 24 08 2020 swing arm turbine NACA0015 energy extraction oscillating gurney flap efficiency fluid flow wind wind turbine Compared to other natural resources, the renewable energies are able to provide clean energy with acceptable constructive effects...

.... To elaborate, the annual energy production of each of the 38 wind turbines and the corresponding capacity factors are shown in Figs. 5( a ) and 5( b ) , respectively. All the turbines demonstrate a reasonable interaction with the site where the energy generation in the range of 7.00–10.53 GWh reflects...

... C onservation . 05 06 2020 10 06 2020 10 06 2020 28 07 2020 fluid flow simulation wind turbine The actuator disk model has been developed more than a century ago, and it is still currently used in several industrial codes for helicopters, propellers, and wind...

...Davide Astolfi; Francesco Castellani; Francesco Natili Multi-megawatt wind turbines are nowadays a mature technology, and therefore, there is considerable scientific and industrial attention to the opportunity of further improving the efficiency of wind kinetic energy conversion into electricity...

... performance of the forecast is obtained when the 120 m high nodes are selected (instead of the 10 m high ones): 120 m is actually closer to the wind turbine hub height and the flow model is therefore less influenced by the surface. In other words, the two models are more compatible for a nesting at those...

...Xiaolan Liu; Qian Chen; Bo Yang; Moru Song In this paper, due to its advantages of high accuracy and moderate computational cost, detached eddy simulation (DES) is adopted to observe detail flow characteristics of a kind of vertical axial wind turbine equipped with four helical blades...