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Articles:2017,Vol:22,Issue(3):140-149 |
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Citation: |
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CHENG You-liang, QU Jiang-man, XUE Zhan-pu, JIANG Yan. Dynamic Analysis of Wind Power Turbine's Tower under the Combined Action of Winds and Waves[J]. International Journal of Plant Engineering and Management, 2017, 22(3): 140-149 |
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| Dynamic Analysis of Wind Power Turbine's Tower under the Combined Action of Winds and Waves |
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| CHENG You-liang, QU Jiang-man, XUE Zhan-pu, JIANG Yan |
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| School of Energy Power and Mechanical Engineering, North China Electric Power University, Hebei Baoding 071003, P. R. China |
| Abstract: |
| To deal with the dynamic response problem of offshore wind power tower under the combined action of winds and waves, finite element method is used to analyze the structure and flow field around the outside flange of the segmentation part. The changes of pressure distribution and vorticity about the outside flange are obtained. Focused on the analysis on the change of hydrostatic pressure and temperature of the tower cut surface, contour lines under the combined action of winds and waves are depicted. Results show that the surface of the offshore wind turbine tower presents instable temperature field when it suffers the action of winds and waves loads, the static pressure increases nonlinearly with the increase of altitude, the fluid vorticity around the outside flange follows an parabolic curve approximately. Results provide a reference for the actual monitoring data of the offshore wind turbine tower under the combined action of winds and waves, so as to ensure the normal operation of tower. |
| Key words:
tower
segmentation part
dynamic response
outside flange
steady
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| Received: 2017-03-06
Revised:
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| DOI: 10.13434/j.cnki.1007-4546.2017.0303 |
| Corresponding author:
Email： |
Author description: CHENG You-liang is a professor in School of Energy Power and Mechanical Engineering, North China Electric Power University. His research interest include renewable energy sources and thermal engineering. ylcheng001@163.com
QU Jiang-man is a master candidate in School of Energy Power and Mechanical Engineering, North China Electric Power University. Her research interests include theory and application of new energy. dijiuhaofeixing@163.com
JIANG Yan is a master candidate in School of Energy Power and Mechanical Engineering, North China Electric Power University. His research interests include theory and application of new energy. jayen92@126.com
XUE Zhan-pu is a doctoral student in School of Energy Power and Mechanical Engineering, North China Electric Power University. His research interests include theory and application of new energy. shenghuo166@163.com
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