Blar i NTNU Open på forfatter "Li, Qinyuan"
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A comparative fatigue reliability study for key structural components of offshore wind turbines
Dong, Wenbin; Li, Qinyuan; Gao, Zhen; Moan, Torgeir (Chapter, 2018)In this paper, the fatigue reliability of blade root and tower base of a jacket wind turbine, the OC4 semi-submersible wind turbine and a land-based wind turbine is investigated and compared. The fatigue reliability of ... -
A comparative study of different methods for predicting the long-term extreme structural responses of the combined wind and wave energy concept semisubmersible wind energy and flap-type wave energy converter
Li, Qinyuan; Michailides, Constantine; Gao, Zhen; Moan, Torgeir (Journal article; Peer reviewed, 2018)The combined wind and wave concept semisubmersible wind energy and flap-type wave energy converter was developed in the EU FP7 project MARINA Platform. It consists of a four-column semisubmersible with a 5-MW wind turbine ... -
Efficient Determination of the Long-term Extreme Responses by the Modified Environmental Contour Method for a Combined Wind Turbine and Wave Energy Converter System
Li, Qinyuan; Ren, Nianxin; Gao, Zhen; Moan, Torgeir (Journal article; Peer reviewed, 2018)This paper deals with the performance of the modified environmental contour method (MECM) for determining long-term extreme load effect in a combined wind turbine and wave energy converter system. The wind turbine of the ... -
Extended Environmental Contour Methods for Long-Term Extreme Response Analysis of Offshore Wind Turbines
Chen, Xiaolu; Jiang, Zhiyu; Li, Qinyuan; Li, Ye; Ren, Nianxin (Peer reviewed; Journal article, 2020)Environmental contour method is an efficient method for predicting the long-term extreme response of offshore structures. The traditional environmental contour is obtained using the joint distribution of mean wind speed, ... -
Modified Environmental Contour Method for Predicting Long-term Extreme Responses of Bottom-fixed Offshore Wind Turbines
Li, Qinyuan; Gao, Zhen; Moan, Torgeir (Journal article; Peer reviewed, 2016)Predicting extreme responses is very important in designing a bottom-fixed offshore wind turbines. The commonly used method that account for the variability of the response and the environmental conditions is the full ... -
Modified environmental contour method to determine the long-term extreme responses of a semi-submersible wind turbine
Li, Qinyuan; Gao, Zhen; Moan, Torgeir (Journal article; Peer reviewed, 2017)In this paper, the modified environmental contour method (MECM) for long-term extreme response prediction are explained and tested for the OC4 DeepCwind 5-MW semi-submersible wind turbine with the environmental conditions ...