Interaction between the atmospheric boundary layer and a stand-alone wind turbine in Gansu-Part II: Numerical analysis
文献类型：期刊论文
| 作者 | Zheng Z; Gao ZT; Li DS; Li RN; Li Y; Hu QH; Hu WR(胡文瑞)
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| 刊名 | SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
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| 出版日期 | 2018-09-01 |
| 卷号 | 61期号:9页码:94712 |
| 关键词 | wind power atmospheric turbulence effects finite volume methods large-eddy simulations |
| ISSN号 | 1674-7348 |
| DOI | 10.1007/s11433-018-9214-1 |
| 英文摘要 | To analyze the interaction between wind turbines and the atmospheric boundary layer, we integrated a large-eddy simulation with an actuator line model and examined the characteristics of wind-turbine loads and wakes with reference to a corresponding experiment in Gansu. In the simulation, we set the wind turbine to have a rotor diameter of 14.8 m and a tower height of 15.4 m in the center of an atmospheric boundary layer with a 10.6A degrees yaw angle. The results reveal an obviously skewed wake structure behind the rotor due to the thrust component normal to the flow direction. The power spectra of the inflow fluctuation velocity exhibit a region of -5/3 slope, which confirms the ability of large-eddy simulations to reproduce the energy cascade from larger to smaller scales. We found there to be more energy in the power spectrum of the axial velocity, which shows that coherent turbulence structures have more energy in the horizontal direction. By the conjoint analysis of atmospheric turbulence and windturbine loads, we found that when the inflow wind direction changes rapidly, the turbulence kinetic energy and coherent turbulence kinetic energy in the atmospheric turbulence increase, which in turn causes fluctuations in the wind turbine load. Furthermore, anisotropic atmospheric turbulence causes an asymmetric load cycle, which imposes a strike by the turbine blade on the shaft, thereby increasing the fatigue load on the shaft. Our main conclusion is that the atmospheric boundary layer has a strong effect on the evolution of the wake and the structural response of the turbine. |
| 分类号 | 二类/Q1 |
| URL标识 | 查看原文 |
| WOS关键词 | SCALE ; WAKES ; TURBULENCE ; MODELS ; TUNNEL |
| WOS研究方向 | Physics, Multidisciplinary |
| 语种 | 英语 |
| WOS记录号 | WOS:000437173700006 |
| 资助机构 | National Basic Research Program of China [2014CB046201] ; National Natural Science Foundation of China [51465033, 51766009, 51479114] ; Thousand Talents Program ; NSFC-RCUK_EPSRC ; platform construction of ocean energy comprehensive supporting service [GHME2014ZC01] ; High-tech Ship Research Projects - MIITC Floating Support platform project [201622] ; State Key Laboratory of Ocean Engineering at Shanghai Jiao Tong University |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/77944]  |
| 专题 | 力学研究所_国家微重力实验室 |
| 作者单位 | 1.Lanzhou Univ Technol, Sch Energy & Power Engn, Lanzhou 730050, Gansu, Peoples R China 2.Gansu Prov Technol Ctr Wind Turbines, Lanzhou 730050, Gansu, Peoples R China 3.Key Lab Fluid Machinery & Syst, Lanzhou 730050, Gansu, Peoples R China 4.Shanghai Jiao Tong Univ, Sch Naval Architecture Ocean & Civil Engn, Shanghai 200240, Peoples R China 5.Chinese Acad Sci, Inst Mech, Beijing 100080, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zheng Z,Gao ZT,Li DS,et al. Interaction between the atmospheric boundary layer and a stand-alone wind turbine in Gansu-Part II: Numerical analysis[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2018,61(9):94712. |
| APA | Zheng Z.,Gao ZT.,Li DS.,Li RN.,Li Y.,...&胡文瑞.(2018).Interaction between the atmospheric boundary layer and a stand-alone wind turbine in Gansu-Part II: Numerical analysis.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,61(9),94712. |
| MLA | Zheng Z,et al."Interaction between the atmospheric boundary layer and a stand-alone wind turbine in Gansu-Part II: Numerical analysis".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 61.9(2018):94712. |
入库方式： OAI收割
来源：力学研究所
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