Structural response and fatigue assessment of a small vertical axis wind turbine under stationary and non-stationary excitation

Orlando, Andrea; Pagnini, Luisa Carlotta; Repetto, Maria Pia

doi:10.1016/j.renene.2021.01.123

Cited by 20 publications

(8 citation statements)

References 43 publications

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“…Secondly, two sites have been located as ideal for the placement of the turbines [60]. The locations match the piers at the South and North ends of the harbour (Figure 9) for a total amount of fifteen turbines.…”

Section: Wind Energy Potential Assessmentmentioning

confidence: 99%

“…ninja" platform, which provides an hourly average wind speed [37]. For both Region of Interest (ROI), the obtained value at the height of 10 m is around 4.75 m/s (data confirmed by the RSE Wind Atlas platforms and MERRA-2 reanalysis dataset) [60][61][62]. Regarding calculating the turbine's annual energy production, a reference was made to the data estimated by the supplier ETNEO Italia, as shown in Table 4.…”

Section: Wind Energy Potential Assessmentmentioning

confidence: 99%

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Renewable Energy System Controlled by Open-Source Tools and Digital Twin Model: Zero Energy Port Area in Italy

et al. 2022

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The present paper deals with an infrastructure digitization policy to optimize maintenance processes and energy efficiency to transform port areas to ZED (Zero Energy District). The Lazio Region started the process for all its ports in 2020. The Anzio port started and developed as a pilot project as it is a particularly representative sample for the Mediterranean Sea reality due to its geomorphological conformation. The study aimed to develop energy-saving procedures and strategies and integrate production systems from Renewable Energy Systems (RESs) for sustainable mobility. In the article, these strategies are described in detail and energy analysis is carried out, starting from the current state and demonstrating the potential energy self-sufficiency of the infrastructure. Finally, the investigation’s potential utilizing a Digital Twin (DT) of the area is highlighted. Furthermore, the BIM (Building Information Modeling) and GIS (Geographic Information System) combining possibility to maximize the energy efficiency measures beneficial impact are discussed.

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Section: Wind Energy Potential Assessmentmentioning

confidence: 99%

Section: Wind Energy Potential Assessmentmentioning

confidence: 99%

Renewable Energy System Controlled by Open-Source Tools and Digital Twin Model: Zero Energy Port Area in Italy

et al. 2022

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“…The simulation of non-stationary wind speed will directly induce non-stationary wind load on structures. Therefore, by considering wind as a non-stationary excitation, the responses of the structures are investigated by Orlando [21] and Ke [22]. The comparison between stationary and non-stationary models is fully investigated by Tao's research group.…”

Section: Introductionmentioning

confidence: 99%

Investigations on Wind Characteristics for Typhoon and Monsoon Wind Speeds Based on Both Stationary and Non-Stationary Models

Qin

Xia

Dai³

et al. 2022

Atmosphere

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Stationary models are usually applied for wind characteristics analysis. However, nonstationarity has been found in the field measurements of typhoons in recent studies; therefore, using traditional models with stationary assumptions to conduct wind characteristics is inadequate. In this research, data acquisition of typhoon wind speeds and monsoon are conducted based on the wind field measurements. Wind speeds of typhoon “Maria” passing through Pintan, Fujian Province, China and the monsoon from 2017.10–2018.10 were obtained to investigate wind characteristics. The run test method is utilized to show that non-stationarity exists in both typhoon and monsoon wind speed, and the percent of non-stationary increases with the increase in time interval. Additionally, results show that stronger non-stationarity exists in typhoon wind speed compared with monsoons. Based on a self-adaptive procedure to extract time varying mean wind speed, a non-stationary model is established to compare with the non-stationary model, which has been applied in the traditional wind characteristic analysis. The fluctuating wind characteristics such as turbulence intensity, gust factor, turbulence integral scale, and wind speed spectrum are analyzed to compare the two models. Results show that the difference of such characteristics between the two models increases with the time interval, indicating the necessity of consideration of non-stationary models, especially for design specifications with larger time intervals. Influences of time intervals are investigated, and relevant recommendations are provided for wind resistance specifications. Our conclusions may provide reference for wind resistance design in engineering applications.

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“…Making good use of wind energy is bound to alleviate the problems of energy and environment, and promote the green development of society. [1][2][3][4] In the application market of wind power generation, vertical axis wind turbine has the advantages of relatively lower wind speed when staring, higher operating conversion rate in urban areas, with low noise. It does not need yaw device, which is convenient for application and popularization in cities and towns.…”

Section: Introductionmentioning

confidence: 99%

“…Among them, wind power has become the most mature technology, the lowest development cost, and the most promising form of energy utilization in the world. Making good use of wind energy is bound to alleviate the problems of energy and environment, and promote the green development of society 1–4 …”

Section: Introductionmentioning

confidence: 99%

Aerodynamic performance analysis and power generation characteristics experiment of vertical axis wind turbine

Liu

Cao

et al. 2022

Engineering Reports

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With the wide application of clean energy, the requirements of this vertical axis wind turbine are higher and higher. A new diagonal spiral blade vertical axis wind turbine is designed and studied. The shape of the new type of wind turbine blade is designed based on the diagonal spiral structure that is common in life, considering the situation of different pitch angles and constructing 11 kinds of prototype machine. In‐depth analysis of the aerodynamic performance of these new wind turbines through simulation calculations shows that the prototype with a pitch angle of 110° has the best aerodynamic performance. When the tip speed ratio is 0.4, the maximum wind energy utilization rate can reach 0.29. Besides, the model of this wind turbine is constructed by 3D printing, which is tested, and the performance of the models is compared with that of the traditional S‐type wind turbine in a real environment. There rationality and superiority of the design of the new diagonal spiral blade vertical axis wind turbine are proved, and this apply background of this new diagonal spiral blade wind turbine is demonstrated by comparison. This article also analyzes the wake of the wind turbine and makes reasonable planning of the arrangement spacing that the wake effect has the least effect on the downstream wind turbine, which can increase the power generation efficiency of the group arrangement of turbines.

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Structural response and fatigue assessment of a small vertical axis wind turbine under stationary and non-stationary excitation

Cited by 20 publications

References 43 publications

Renewable Energy System Controlled by Open-Source Tools and Digital Twin Model: Zero Energy Port Area in Italy

Renewable Energy System Controlled by Open-Source Tools and Digital Twin Model: Zero Energy Port Area in Italy

Investigations on Wind Characteristics for Typhoon and Monsoon Wind Speeds Based on Both Stationary and Non-Stationary Models

Aerodynamic performance analysis and power generation characteristics experiment of vertical axis wind turbine

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