声明
致谢
变量注释表
1 绪论
1.1 背景与意义(Background and Significance)
1.2 汽蚀的研究现状(Research Status of Cavitation)
1.3 国内外离心泵内部流动实验研究方法及进展(Domestic and Foreign Centrifugal Pump Internal Flow Experimental Research Methods and Progress)
1.4 离心泵数值模拟研究进展( Research Progress in Numerical Simulation of Centrifugal Pump)
1.5 主要研究内容(Main Content)
2 离心泵基本理论及数值计算方法
2.1 离心泵基本理论(Basic Theory of Centrifugal Pump)
2.2 计算流体力学及 CFX 简介(Introduction of Computational Fluid Dynamics and CFX)
2.3 基本控制方程(Basic Control Equation)
2.4 湍流模型(Turbulence Model)
2.5 空化模型(Cavitation Model)
2.6 本章小结(Summary)
3 可视化半开式离心泵汽蚀实验与模型建立
3.1 可视化半开式离心泵汽蚀实验(Visual Cavitation Experiment of Semi-open Centrifugal Pump)
3.2 模型泵三维建模(Modeling of Model Pump)
3.3 网格划分(Mesh Partition)
3.4 非汽蚀状态稳态流场边界条件设置( Boundary Condition Setting of Steady State Flow Field in Non Cavitation State)
3.5 网格无关性验证(Mesh Independent Verification)
3.6 额定工况下不同湍流模型稳态计算结果分析( Analysis of Steady State Calculation Results of Different Turbulence Models under Rated Operating Conditions)
3.7 本章小结(Summary)
4 半开式离心泵汽蚀模拟与分析
4.1 汽蚀状态边界条件设置( Cavitation Boundary Condition Setting)
4.2 不同流量工况汽蚀模拟结果分析( Analysis of Cavitation Simulation Results at Different Flow Conditions)
4.3 离心泵汽蚀余量计算( Calculation of Net Positive Suction Head of Centrifugal Pump)
4.4 本章小结(Summary)
5 叶顶间隙和动静叶相互作用对半开式离心泵汽蚀特性的影响
5.1 叶顶间隙对半开式离心泵汽蚀特性的影响(Influence of Tip Clearance on Cavitation Characteristics of Semi-open Centrifugal Pump)
5.2 动-静叶栅相互作用对半开式离心泵汽蚀的影响(The Effect of Rotor-Stator Interaction on Cavitation Characteristics of Semi-open Centrifugal Pump)
5.3 本章小结(Summary)
6 结论与展望
6.1 结论(Conclusion)
6.2 展望(Prospect)
参考文献
作者简历
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