非均匀来流下的海流发电机数值计算方法  

Numerical Calculation Method for Marine Current Turbines under Non-Uniform Flow

作　　者：张家墅 李航 余龙[1,2,3] 程维杰 ZHANG Jiashu;LI Hang;YU Long;CHENG Wejie(Shanghai Jiao Tong University,State Key Laboratory of Ocean Engineering,Shanghai 200240,China;Shanghai Jiao Tong University,School of Ocean and Civil Engineering,Shanghai 200240,China;Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration,Shanghai 200240,China;China Ship Development and Design Center,Wuhan 430064,China;Marine Design and Research Institute of China,Shanghai 200011,China)

机构地区：[1]上海交通大学海洋工程全国重点实验室,上海200240 [2]上海交通大学船舶海洋与建筑工程学院,上海200240 [3]高新船舶与深海开发装备协同创新中心,上海200240 [4]中国舰船研究设计中心,武汉430064 [5]中国船舶及海洋工程设计研究院,上海200011

出　　处：《船舶工程》2025年第1期1-8,29,共9页Ship Engineering

基　　金：中交疏浚重点研发项目(KY-2020-023)。

摘　　要：[目的]为了研究非均匀流条件下海流发电机的水动力性能,[方法]分别采用计算流体动力学(CFD)和叶素动量理论(BEMT)对指数分布的剪切流条件下的海流发电机进行计算。为简化计算网格,采用截断方法对边界条件进行简化;采用瞬态方法和时均方法对BEMT方法进行修改,以适应非均匀流的计算要求。[结果]CFD和BEMT的对比结果表明:两者偏差在合理范围内,趋势相符,这表明结果具有较高的可靠性。[结论]研究成果可为非均匀来流下的海流发电机模拟提供一定参考。[Purpose]In order to study the hydrodynamic performance of ocean current generators under non-uniform flow conditions,[Method]computational fluid dynamics(CFD)and blade element momentum theory(BEMT)are used to calculate the ocean current generators under exponential shear flow conditions.To simplify the computational grid,the truncation method is used to simplify the boundary conditions;the BEMT method is modified using transient and time-averaged methods to meet the computational requirements of non-uniform flow.[Result]The comparison between CFD and BEMT shows that the deviation between the two is within a reasonable range and the trend is consistent,indicating that the results have high reliability.[Conclusion]The research results can provide some references for simulating ocean current generators under non-uniform inflow.

关 键 词：非均匀流 计算流体动力学(CFD) 叶素动量理论(BEMT) 截断方法 

分 类 号：P741[天文地球—海洋科学]