摘要
泵站是调水、供水、灌溉和排水系统重要基础设施,其水力性能直接影响系统的安全性、稳定性和工程效益。泵站内部流动分析涉及泵站、流体动力学和数值理论等多个学科,分析方法已由传统的一维半经验半理论阶段发展到了基于计算流体动力学的现代三维黏性阶段。本文综述了泵站内部流动分析过程中涉及的湍流模型、几何模型、网格模型、数值离散模型和解算模型,阐述了研究泵站进水池表面旋涡、泥沙与空化特性、水力激振特性、水力瞬变特性及水力设计的基本方法和过程,总结了泵站流动分析方法方面的最新研究成果,展望了未来发展趋势及主要研究课题。
Pumping stations are the important infrastructures of water diversion, water supply, irrigation or drainage projects. The hydraulic performance of pumping station directly affects the operation safety, stability and benefits of a project. The flow analysis of pumping station involves several disciplines such as pump- ing station, fluid dynamics and numerical theory. The analysis method has been developed from traditional one-dimensional semi-empirical, semi-theoretical stage to modern three-dimensional viscous stage based on computational fluid dynamics. This paper reviews the turbulence model, geometric model, grid model, numerical discretization model and solution model involved in the flow analysis of pumping station. The methods and procedures used for investigating sump surface vortex, sediment and cavitation, flow-induced vibra- tion, hydraulic transient, and hydraulic design in pumping stations are discussed. The latest research achievements for flow analysis methods in pumping stations are summarized. The future development trend and main research topics are put forward.
出处
《水利学报》
EI
CSCD
北大核心
2018年第1期47-61,71,共16页
Journal of Hydraulic Engineering
基金
国家自然科学基金项目(51779258
51621061)
关键词
泵站
水力性能
计算流体动力学
多相流
数值方法
pumping station
hydraulic performance
CFD
multiphase flow
numerical method
