【摘要】 利用CFD方法对一种井下涡轮发电机的内流场作了较详细的三维紊流数值模拟,得出丰富的内部流场信息,着重分析叶轮结构对流场的影响情况,同时在此基础上计算出该发电机主要的外性能曲线,为井下涡轮发电机的性能预测和结构改进提供有力的依据。更多还原

【Abstract】 This text carried on the detailed computation simulation for the internal flow field of under-well turbine generator by the method of CFD,and got abundant internal flow field information.Through the simulation,the text emphasized to analyze the influence of the blade structure to the internal flow field,and then got the main performance curves of the generator.All these provided the convincing basis for the performance prediction and the structure improvement of under-well turbine generator.更多还原