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    题名 作者 年代 出处 被引量
1张力腿浮式风机筋腱失效模式下瞬态响应分析显示文摘针对风力机-张力腿型支撑平台-筋腱耦合系统,对全耦合动力学仿真软件FAST的系泊载荷计算模块进行二次开发,采用时域分析方法对张力腿浮式风机(FOWT)WindStar TLP system筋腱失效模式下的瞬态响应进行数值仿真分析.重点研究50 a一遇海况中不同浪向下的浮式风力机支撑平台运动、机舱加速度和筋腱张力等关键参数的瞬态响应.结果表明:在该工况下支撑平台运动、机舱加速度、筋腱张力的瞬态响应较显著;失效筋腱位于背浪侧时的浮式风力机瞬态响应大于失效筋腱位于迎浪侧时的浮式风力机瞬态响应,当位于背浪侧的失效筋腱与波浪共线时,浮式风力机瞬态响应最大;在极端海况中筋腱失效模式下的筋腱系统安全系数符合美国船级社规范要求,表明该张力腿型浮式风力机具备较好的自存性.吴浩宇 赵永生 何炎平 毛文刚 阳杰 谷孝利 黄超 2020浙江大学学报(工学版)2020,54,11:4
2Experimental Study on Aerodynamic Characteristics of the Model Wind Rotor System and on Characterization of A Wind Generation System显示文摘In order to investigate the aerodynamic characteristics of 6-MW wind turbine, experimental study on the aerodynamic characteristics of the model rotor system and on characterization of a wind generation system is carried out. In the test, a thrust-matched rotor system and a geometry-matched rotor system, which utilize redesigned thrustmatched and original geometry-matched blades, respectively, are applied. The 6-MW wind turbine system is introduced briefly. The proper scaling laws for model tests are established in the paper, which are then implemented in the construction of a model wind turbine with optimally designed blades. And the parameters of the model are provided. The aerodynamic characteristics of the proposed 6-MW wind rotor system are explored by testing a 1:65.3 scale model at the State Key Laboratory of Ocean Engineering at Shanghai Jiao Tong University. Before carrying out the wind rotor system test, the turbulence intensity and spatial uniformity of the wind generation system are tested and results demonstrate that the characterization of the wind generation system is satisfied and the average turbulence intensity of less than 10% within the wind rotor plane is proved in the test. And then, the aerodynamic characteristics of 6-MW wind rotor system are investigated. The response characteristic differences between the thrust-matched rotor system and the geometry-matched rotor system are presented. Results indicate that the aerodynamic characteristics of 6-MW wind rotor with the thrust-matched rotor system are satisfied. The conclusion is that the thrust-matched rotor system can better reflect the characteristics of the prototype wind turbine. A set of model test method is proposed in the work and preparations for further model basin test of the 6-MW SPAR-type floating offshore wind turbine system are made.MENG Long HE Yan-ping ZHAO Yong-sheng PENG Tao YANG Jie 2019China Ocean Engineering2019,33,2:2
3Dynamic Response of 6MW Spar Type Floating Offshore Wind Turbine by Experiment and Numerical Analyses显示文摘The floating offshore wind turbine(FOWT) is widely used for harvesting marine wind energy. Its dynamic responses under offshore wind and wave environment provide essential reference for the design and installation. In this study,the dynamic responses of a 6 MW Spar type FOWT designed for the water depth of 100 m are investigated by means of the wave tank experiment and numerical analysis. A scaled model is manufactured for the experiment at a ratio of65.3, while the numerical model is constructed on the open-source platform FAST(Fatigue, Aerodynamics,Structures, and Turbulence). Still water tests, wind-induced only tests, wave-induced only tests and combined windwave-current tests are all conducted experimentally and numerically. The accuracy of the experimental set-up as well as the loading generation has been verified. Surge, pitch and heave motions are selected to analyze and the numerical results agree well with the experimental values. Even though results obtained by using the FOWT calculation model established in FAST software show some deviations from the test results, the trends are always consistent. Both experimental and numerical studies demonstrate that they are reliable for the designed 6 MW Spar type FOWT.MENG Long HE Yan-ping ZHAO Yong-sheng YANG Jie YANGHe HAN Zhao-long YU Long MAO Wen-gang DU Wei-kang 2020China Ocean Engineering2020,34,5:1
4不同风况下半潜漂浮式风力机动力学响应分析显示文摘针对现有漂浮式风力机在风浪作用下运动响应较大的问题,提出一种具有圆台形浮筒的新型半潜式平台。基于FAST耦合水动力、空气动力和系泊系统等物理场,同时结合水动力学软件AQWA计算的频域参数对不同风况下漂浮式风力机动力学响应进行分析,并在额定风况下与OC4-DeepCwind漂浮式风力机进行对比。分析结果表明:不同风速对漂浮式风力机的纵荡、纵摇及艏摇运动影响明显,对垂荡运动影响较小;与OC4漂浮式风力机相比,新型漂浮式风力机在各风况下纵摇、横摇响应得到明显降低,具有良好的稳定性。李昌 王渊博 蒋明真 张磊安 黄雪梅 杨廷毅 2023太阳能学报2023,44,4:1
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