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Cyclic overlay model of py curves for laterally loaded monopiles in cohesionless soil 无黏性土中单桩横向加载p-y曲线的循环叠加模型
Wind Energy Science Pub Date : 2023-03-08 DOI: 10.5194/wes-8-327-2023
Junnan Song, Martin Achmus
{"title":"Cyclic overlay model of <i>p</i>–<i>y</i> curves for laterally loaded monopiles in cohesionless soil","authors":"Junnan Song, Martin Achmus","doi":"10.5194/wes-8-327-2023","DOIUrl":"https://doi.org/10.5194/wes-8-327-2023","url":null,"abstract":"Abstract. The bearing behaviour of large-diameter monopile foundations for offshore wind turbines under lateral cyclic loads in cohesionless soil is an issue of ongoing research. In practice, mostly the p–y approach is applied in the design of monopiles. Recently, modifications of the original p–y approach for monotonic loading stated in the API regulations have been proposed to account for the special bearing behaviour of large-diameter piles with small length-to-diameter ratios. However, cyclic loading for horizontally loaded piles predominates the serviceability of the offshore wind converters, and the actual number of load cycles cannot be considered by the cyclic p–y approach of the API regulations. This research therefore focuses on the effects of cyclic loading on the p–y curves along the pile shaft and aims to develop a cyclic overlay model to determine the cyclic p–y curves valid for a lateral load with a given number of load cycles. A stiffness degradation method (SDM) is applied in a three-dimensional finite element model to determine the effect of the cyclic loading by degrading the secant soil stiffness according to the magnitude of cyclic loading and number of load cycles based on the results of cyclic triaxial tests. Thereby, the numerical simulation results are used to develop a cyclic overlay model, i.e. an analytical approach to adapt the monotonic (or static) p–y curve to the number of load cycles. The new model is applied to a reference system and compared to the API approach for cyclic loads.","PeriodicalId":46540,"journal":{"name":"Wind Energy Science","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136179053","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On the laminar–turbulent transition mechanism on megawatt wind turbine blades operating in atmospheric flow 兆瓦级风力发电机叶片在大气流动中的层流-湍流过渡机理研究
IF 4
Wind Energy Science Pub Date : 2023-03-06 DOI: 10.5194/wes-8-303-2023
B. Lobo, Ö. S. Özçakmak, H. A. Madsen, A. Schaffarczyk, M. Breuer, N. Sørensen
{"title":"On the laminar–turbulent transition mechanism on megawatt wind turbine blades operating in atmospheric flow","authors":"B. Lobo, Ö. S. Özçakmak, H. A. Madsen, A. Schaffarczyk, M. Breuer, N. Sørensen","doi":"10.5194/wes-8-303-2023","DOIUrl":"https://doi.org/10.5194/wes-8-303-2023","url":null,"abstract":"Abstract. Among a few field experiments on wind turbines for analyzing laminar–turbulent boundary layer transition, the results obtained from the DAN-AERO and aerodynamic glove projects provide significant findings. The effect of inflow turbulence on boundary layer transition and the possible transition mechanisms on wind turbine blades are discussed and compared to CFD (computational fluid dynamics) simulations of increasing fidelity (Reynolds-averaged Navier–Stokes, RANS; unsteady Reynolds-averaged Navier–Stokes, URANS; and large-eddy simulations, LESs). From the experiments, it is found that the transition scenario changes even over a single revolution with bypass transition taking place under the influence of enhanced upstream turbulence, for example, such as that from wakes, while natural transition is observed in other instances under relatively low inflow turbulence conditions. This change from bypass to natural transition takes place at azimuthal angles directly outside the influence of the wake indicating a quick boundary layer recovery. The importance of a suitable choice of the amplification factor to be used within the eN method of transition detection is evident from both the RANS and URANS simulations. The URANS simulations which simultaneously check for natural and bypass transition match very well with the experiment. The LES predictions with anisotropic inflow turbulence show the shear-sheltering effect and a good agreement between the power spectral density plots from the experiment and simulation is found in case of bypass transition. A condition to easily distinguish the region of transition to turbulence based on the Reynolds shear stress is also observed. Overall, useful insights into the flow phenomena are obtained and a remarkably consistent set of conclusions can be drawn.\u0000","PeriodicalId":46540,"journal":{"name":"Wind Energy Science","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2023-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48431089","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Exploring limiting factors of wear in pitch bearings of wind turbines with real-scale tests 用实际试验探讨风力涡轮机变桨轴承磨损的限制因素
IF 4
Wind Energy Science Pub Date : 2023-03-02 DOI: 10.5194/wes-8-289-2023
Karsten Behnke, F. Schleich
{"title":"Exploring limiting factors of wear in pitch bearings of wind turbines with real-scale tests","authors":"Karsten Behnke, F. Schleich","doi":"10.5194/wes-8-289-2023","DOIUrl":"https://doi.org/10.5194/wes-8-289-2023","url":null,"abstract":"Abstract. Oscillating movements under load can cause wear in rolling\u0000bearings. Blade bearings of wind turbines are subject to both. To know how\u0000to avoid wear in these bearings is important since they ensure the\u0000operational safety of the turbine. Oscillations of blade bearings vary in\u0000load, speed, and amplitude. The objective of this work is to find limits of\u0000these operating parameters with regards to wear occurrence. To this end\u0000several tests with real-size bearings were carried out. The test parameters\u0000are based on typical operating conditions of a reference turbine. The size\u0000of the bearings and the test parameters differ from other published tests for\u0000oscillating bearings, where often scaled bearings are used results. The test results show that wear occurs for every tested combination of load,\u0000speed, and amplitude of a steady oscillating movement. Even if the wear\u0000characteristics differ between tests, each of them resulted in wear. Hence,\u0000no wear limits can be defined with the tested grease and within typical\u0000operating conditions of a wind turbine below which wear does not occur. Tests with a discontinuity in the steady oscillation movement, however, did\u0000not result in wear. Such discontinuities can be longer movements embedded in\u0000steady oscillations. They are characteristic to wind turbine operation,\u0000where longer movements are a reaction to wind gusts.\u0000","PeriodicalId":46540,"journal":{"name":"Wind Energy Science","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2023-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43786078","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Platform yaw drift in upwind floating wind turbines with single-point-mooring system and its mitigation by individual pitch control 带有单点系泊系统的逆风漂浮式风力涡轮机平台偏航漂移及其通过单独变桨控制的缓解
IF 4
Wind Energy Science Pub Date : 2023-03-01 DOI: 10.5194/wes-8-277-2023
I. Sandua-Fernández, F. Vittori, Raquel Martín-San-Román, I. Eguinoa, José Azcona-Armendáriz
{"title":"Platform yaw drift in upwind floating wind turbines with single-point-mooring system and its mitigation by individual pitch control","authors":"I. Sandua-Fernández, F. Vittori, Raquel Martín-San-Román, I. Eguinoa, José Azcona-Armendáriz","doi":"10.5194/wes-8-277-2023","DOIUrl":"https://doi.org/10.5194/wes-8-277-2023","url":null,"abstract":"Abstract. This work demonstrates the feasibility of an individual pitch control strategy based on nacelle yaw misalignment measurements to mitigate the platform yaw drift in upwind floating offshore wind turbines, which is caused by the vertical moment produced by the rotor. This moment acts on the platform yaw degree of freedom, being of great importance in systems that have low yaw stiffness. Among them, single-point-mooring platforms are one of the most important ones. During recent years, several floating wind turbine concepts with single-point-mooring systems have been proposed, which can theoretically dispense with the yaw mechanism due to their ability to rotate and align with environmental conditions (weather-vaning). However, in this paper it is proven that the vertical moment overcomes the orienting ability, causing the yaw drift. With the intention of reducing the induced yaw response of a single-point-mooring floating wind turbine, an individual pitch control strategy based on nacelle yaw misalignment is applied, which introduces a counteracting moment. The control strategy is validated by numerical simulations using the 5 MW National Renewable Energy Laboratory (NREL) wind turbine mounted on a single-point-mooring version of the DeepCwind OC4 floating platform to demonstrate that it can mitigate the yaw drift and therefore maintain the alignment of the wind turbine rotor with the wind.\u0000","PeriodicalId":46540,"journal":{"name":"Wind Energy Science","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47780799","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Optimization of wind farm operation with a noise constraint 考虑噪声约束的风电场运行优化
IF 4
Wind Energy Science Pub Date : 2023-02-28 DOI: 10.5194/wes-8-255-2023
C. Nyborg, A. Fischer, P. Réthoré, Ju Feng
{"title":"Optimization of wind farm operation with a noise constraint","authors":"C. Nyborg, A. Fischer, P. Réthoré, Ju Feng","doi":"10.5194/wes-8-255-2023","DOIUrl":"https://doi.org/10.5194/wes-8-255-2023","url":null,"abstract":"Abstract. This article presents a method for performing noise-constrained optimization of wind farms by changing the operational modes of the individual wind turbines. The optimization is performed by use of the TopFarm optimization framework and wind farm flow modelling in PyWake as well as two sound propagation models: the ISO 9613-2 model and the parabolic equation model, WindSTAR. The two sound propagation models introduce different levels of complexity to the optimization problem, with the WindSTAR model taking a broader range of parameters, like the acoustic ground impedance, the complex terrain elevation and the flow field from the noise source to the receptor, into account. Wind farm optimization using each of the two sound propagation models is therefore performed in different atmospheric conditions and for different source/receptor setups, and compared through this study in order to evaluate the advantage of using a more complex sound propagation model. The article focuses on wind farms in flat terrain including dwellings at which the noise constraints are applied. By this, the study presents the significant gain in using a higher fidelity sound propagation model like WindSTAR over the simple ISO 9613-2 model in noise-constrained optimization of wind farms. Thus, in certain presented flow cases a power gain of up to ∼53 % is obtained by using WindSTAR to estimate the noise levels.\u0000","PeriodicalId":46540,"journal":{"name":"Wind Energy Science","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2023-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42145386","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Brief communication: A clarification of wake recovery mechanisms 简短交流:澄清尾流恢复机制
IF 4
Wind Energy Science Pub Date : 2023-02-24 DOI: 10.5194/wes-8-247-2023
M. P. van der Laan, M. Baungaard, M. Kelly
{"title":"Brief communication: A clarification of wake recovery mechanisms","authors":"M. P. van der Laan, M. Baungaard, M. Kelly","doi":"10.5194/wes-8-247-2023","DOIUrl":"https://doi.org/10.5194/wes-8-247-2023","url":null,"abstract":"Abstract. Understanding wind turbine wake recovery is important for developing models of wind turbine interaction employed in the design of energy-efficient wind farm layouts. Wake recovery is often assumed or explained to be a shear-driven process; however, this is generally not accurate. In this work we show that wind turbine wakes recover mainly due to the divergence (lateral and vertical gradients) of Reynolds shear stresses, which transport momentum from the freestream towards the wake center. The wake recovery mechanisms are illustrated using a simple analytic model and results of large-eddy simulation.\u0000","PeriodicalId":46540,"journal":{"name":"Wind Energy Science","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2023-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42278093","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Extreme coherent gusts with direction change – probabilistic model, yaw control, and wind turbine loads 具有方向变化的极端相干阵风——概率模型、偏航控制和风力涡轮机负载
IF 4
Wind Energy Science Pub Date : 2023-02-21 DOI: 10.5194/wes-8-231-2023
Ásta Hannesdóttir, D. Verelst, A. M. Urbán
{"title":"Extreme coherent gusts with direction change – probabilistic model, yaw control, and wind turbine loads","authors":"Ásta Hannesdóttir, D. Verelst, A. M. Urbán","doi":"10.5194/wes-8-231-2023","DOIUrl":"https://doi.org/10.5194/wes-8-231-2023","url":null,"abstract":"Abstract. Observations of large coherent fluctuations are used to define a probabilistic model of coherent gusts with direction change. The gust model provides the joint description of the gust rise time, amplitude, and directional changes with a 50-year return period. The observed events are from a decade of measurements from a coastal site in western Denmark, making the derived gust model site specific. In conjunction with the gust model, a yaw controller is presented in this study to investigate the load implications of the joint gust variables. These loads are compared with the design load case of the extreme coherent gust with direction change (ECD) from the IEC 61400-1 Ed.4 wind turbine safety standard. Within the framework of our site-specific gust model we find the return period of the ECD to be approximately 460 years. From the simulations we find that for gusts with a relatively long rise time the blade root flapwise bending moment, for example, can be reduced by including the considered yaw controller. From the extreme load comparison of the ECD and the modeled gusts we see that by including the variability in the gust parameters the load values from the modeled gusts are between 20 % and 74 % higher than the IEC gusts.\u0000","PeriodicalId":46540,"journal":{"name":"Wind Energy Science","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2023-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47129672","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Progress in the validation of rotor aerodynamic codes using field data 利用现场数据验证转子空气动力学代码的进展
IF 4
Wind Energy Science Pub Date : 2023-02-20 DOI: 10.5194/wes-8-211-2023
K. Boorsma, G. Schepers, Helge Aagard Madsen, G. Pirrung, N. Sørensen, G. Bangga, M. Imiela, C. Grinderslev, A. M. Meyer Forsting, W. Shen, A. Croce, S. Cacciola, A. Schaffarczyk, B. Lobo, F. Blondel, P. Gilbert, R. Boisard, Leo Höning, L. Greco, C. Testa, E. Branlard, J. Jonkman, G. Vijayakumar
{"title":"Progress in the validation of rotor aerodynamic codes using field data","authors":"K. Boorsma, G. Schepers, Helge Aagard Madsen, G. Pirrung, N. Sørensen, G. Bangga, M. Imiela, C. Grinderslev, A. M. Meyer Forsting, W. Shen, A. Croce, S. Cacciola, A. Schaffarczyk, B. Lobo, F. Blondel, P. Gilbert, R. Boisard, Leo Höning, L. Greco, C. Testa, E. Branlard, J. Jonkman, G. Vijayakumar","doi":"10.5194/wes-8-211-2023","DOIUrl":"https://doi.org/10.5194/wes-8-211-2023","url":null,"abstract":"Abstract. Within the framework of the fourth phase of the International Energy Agency (IEA) Wind Task 29, a large comparison exercise between measurements and aeroelastic simulations has been carried out featuring three simulation cases in axial, sheared and yawed inflow conditions. Results were obtained from more than 19 simulation tools originating from 12 institutes, ranging in fidelity from blade element momentum (BEM) to computational fluid dynamics (CFDs) and compared to state-of-the-art field measurements from the 2 MW DanAero turbine. More than 15 different variable types ranging from lifting-line variables to blade surface pressures, loads and velocities have been compared for the different conditions, resulting in over 250 comparison plots. The result is a unique insight into the current status and accuracy of rotor aerodynamic modeling. For axial flow conditions, a good agreement was found between the various code types, where a dedicated grid sensitivity study was necessary for the CFD simulations. However, compared to wind tunnel experiments on rotors\u0000featuring controlled conditions, it remains a challenge to achieve good agreement of absolute levels between simulations and measurements in the field. For sheared inflow conditions, uncertainties due to rotational and unsteady effects on airfoil data result in the CFD predictions standing out above the codes that need input of sectional airfoil data. However, it was demonstrated that using CFD-synthesized airfoil data is an effective means to bypass this shortcoming. For yawed flow conditions, it was observed that modeling of the skewed wake effect is still problematic for BEM codes where CFD and free vortex wake codes inherently model the underlying physics correctly. The next step is a comparison in turbulent inflow conditions, which is featured in IEA Wind Task 47. Doing this analysis in cooperation under the auspices of the IEA Wind Technology Collaboration Program (TCP) has led to many mutual benefits for the participants. The large size of the consortium brought ample manpower for the analysis where the learning process by combining several complementary experiences and modeling techniques gave valuable insights that could not be found when the analysis is carried out individually.\u0000","PeriodicalId":46540,"journal":{"name":"Wind Energy Science","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2023-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48373097","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
A comparison of dynamic inflow models for the blade element momentum method 叶片单元动量法的动态入流模型比较
IF 4
Wind Energy Science Pub Date : 2023-02-16 DOI: 10.5194/wes-8-193-2023
S. Mancini, K. Boorsma, G. Schepers, F. Savenije
{"title":"A comparison of dynamic inflow models for the blade element momentum method","authors":"S. Mancini, K. Boorsma, G. Schepers, F. Savenije","doi":"10.5194/wes-8-193-2023","DOIUrl":"https://doi.org/10.5194/wes-8-193-2023","url":null,"abstract":"Abstract. With the increase in rotor sizes, the implementation of innovative pitch control strategies, and the first floating solutions entering the market, the importance of unsteady aerodynamic phenomena in the operation of modern offshore wind turbines has increased significantly. Including aerodynamic unsteadiness in blade element momentum (BEM) methods used to simulate wind turbine design envelopes requires specific sub-models. One of them is the dynamic inflow model, which attempts to reproduce the effects of the unsteady wake evolution on the rotor plane induction. Although several models have been proposed, the lack of a consistent and comprehensive comparison makes their relative performance in the simulation of large rotors still uncertain. More importantly, different dynamic inflow model predictions have never been compared for a standard fatigue load case, and thus it is not clear what their impact on the design loads estimated with BEM is. The present study contributes to filling these gaps by implementing all the main dynamic inflow models in a single solver and comparing their relative performance on a 220 m diameter offshore rotor design. Results are compared for simple prescribed blade pitch time histories in uniform inflow conditions first, verifying the predictions against a high-fidelity free-vortex-wake model and showing the benefit of new two-constant models. Then the effect of shed vorticity is investigated in detail, revealing its major contribution to the observed differences between BEM and free-vortex results. Finally, the simulation of a standard fatigue load case prescribing the same blade pitch and rotor speed time histories reveals that including a dynamic inflow model in BEM tends to increase the fatigue load predictions compared to a quasi-steady BEM approach, while the relative differences among the models are limited.\u0000","PeriodicalId":46540,"journal":{"name":"Wind Energy Science","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2023-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44136878","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Introducing a data-driven approach to predict site-specific leading-edge erosion from mesoscale weather simulations 引入一种数据驱动的方法,通过中尺度天气模拟预测特定地点的前缘侵蚀
IF 4
Wind Energy Science Pub Date : 2023-02-15 DOI: 10.5194/wes-8-173-2023
Jens Visbech, T. Göçmen, C. Hasager, H. Shkalov, M. Handberg, K. P. Nielsen
{"title":"Introducing a data-driven approach to predict site-specific leading-edge erosion from mesoscale weather simulations","authors":"Jens Visbech, T. Göçmen, C. Hasager, H. Shkalov, M. Handberg, K. P. Nielsen","doi":"10.5194/wes-8-173-2023","DOIUrl":"https://doi.org/10.5194/wes-8-173-2023","url":null,"abstract":"Abstract. Modeling leading-edge erosion has been a challenging task due to its multidisciplinary nature involving several variables such as weather conditions, blade coating properties, and operational characteristics. While the process of wind turbine blade erosion is often described by engineering models that rely on the well-known Springer model, there is a glaring need for modeling approaches supported by field data. This paper presents a data-driven framework for modeling erosion damage based on blade inspections from several wind farms in northern Europe and mesoscale numerical weather prediction (NWP) models. The outcome of the framework is a machine-learning-based model that can be used to predict and/or forecast leading-edge erosion damage based on weather data/simulations and user-specified wind turbine characteristics. The model is based on feedforward artificial neural networks utilizing ensemble learning for robust training and validation. The model output fits directly into the damage terminology used by industry and can therefore support site-specific planning and scheduling of repairs as well as budgeting of operation and maintenance costs.\u0000","PeriodicalId":46540,"journal":{"name":"Wind Energy Science","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2023-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44977242","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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