Progress in research of hydraulic characteristics of vertical pipe inlet-and-outlet

高学平; 袁野; 朱洪涛; 刘殷竹

doi:10.11660/slfdxb.20240902

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Progress in research of hydraulic characteristics of vertical pipe inlet-and-outlet

更新时间：2026-06-29

- Progress in research of hydraulic characteristics of vertical pipe inlet-and-outlet
- Journal of Hydroelectric Engineering Vol. 43, Issue 9, (2024)
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- DOI：10.11660/slfdxb.20240902
  CLC：
- Online First：25 September 2024，
  
  Published：2024
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高学平, 袁野, 朱洪涛, et al. Progress in research of hydraulic characteristics of vertical pipe inlet-and-outlet[J]. Journal of Hydroelectric Engineering, 2024, 43(9).
DOI：

高学平, 袁野, 朱洪涛, et al. Progress in research of hydraulic characteristics of vertical pipe inlet-and-outlet[J]. Journal of Hydroelectric Engineering, 2024, 43(9). DOI： 10.11660/slfdxb.20240902.

摘要

竖井式进出水口是抽水蓄能电站水道系统两端控制水流的常用进出水口型式之一。竖井式进出水口双向过流，水流在短距离内经历两次90°流向转变（水平-竖直-水平），流向变化剧烈，水力条件复杂，深入研究竖井式进出水口水力特性，进而优化其体型结构，对抽水蓄能电站设计及施工具有重要意义。首先，介绍竖井式进出水口应用背景及体型特点，分析竖井式进出水口水力特性存在的问题；其次，对竖井式进出水口孔口流量分配、拦污栅断面流速分布、漩涡和水头损失等方面研究进展进行总结；最后，归纳了竖井式进出水口水力特性研究方法，探讨了今后研究应聚焦的主要方向。

Abstract

A vertical pipe inlet-and-outlet is a common inlet-and-outlet type for controlling water flow at both ends of a pumped storage power station waterway system. It is a passage of bidirectional flows that undergoes two 90° turns (horizontal-vertical-horizontal) within a short distance. In such an inlet-an-outlet

flow direction changes drastically and its hydraulic conditions are complicated. For the design and construction of pumped storage power plants

it is of great significance to conduct an in-depth study of its hydraulic characteristics and to optimize its structure and shape. This paper first discusses the application background of the vertical pipe inlet-and-outlet and the characteristics of its channel shape

and examines the problems with its hydraulic characteristics. Then

we present a summary on the recent progress in the research on this device

the distribution of flow velocity in its trash rack section

the vortices and its head loss

etc. Finally

we sum up the research methods for its hydraulic characteristics

and suggest certain directions to focus on in the future research.

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