冲击式水轮机

冲击式水轮机喷嘴射流的CFD技术

CFD Technique of Nozzle Jet Flow in Pelton Turbine

为了研究喷嘴特性对冲击式水轮机性能的影响，在试验的基础上，采用CFD技术对喷嘴自由射流进行多相流的数值模拟。

To investigate the influence of nozzle characteristic on Pelton turbine , the free jet flow of the nozzle was numerically simulated by CFD technique for multiphase flow on the base of experiment in this paper .

广西南山30MW立轴4喷嘴冲击式水轮机进水管及喷嘴的安装与质量控制

Quality control and installation of intake pipe and nozzle for 30 MW vertical impulse turbine with 4 nozzles

冶勒水电站冲击式水轮机安装与调整

Erection and debugging of the impulse turbine for Yele Hydropower Station

冲击式水轮机性能换算的新理论提案（Ⅱ）

A New Formula for the Performance Conversion of Pelton Turbine (ⅱ)

冲击式水轮机模型水斗的数控加工

The NC Machining Method of Model Bucket for Pelton Turbine

冲击式水轮机设计的探讨和发展趋势

Discussion about the Design and Development Prospect of Pelton Turbine

冲击式水轮机三叉管结构的数学模型简介

Brief Introduction of Mathematical Model for Pelton Wheel Y-Pipe Structure

冲击式水轮机喷嘴系统流&固耦合计算与分析

FSI Calculation and Analysis of Nozzle System in Pelton Turbine

冲击式水轮机转轮裂纹焊接修复

Welding repair of crack on impacted hydraulic turbine runner

新型液压控制系统在多喷嘴冲击式水轮机调速器上的应用

Application of an Advanced Hydraulic Control System for Multi-nozzles Impulse Turbine Speed Governor

冲击式水轮机转轮断斗的解决方法

Approach to solving bailer broken for jet-type impulse turbine

分析冲击式水轮机的工作过程直接确定机组的主要参数

Directly determine the main parameters of Pelton turbine from analysing it 's operating process

冲击式水轮机配水环管结构分析与设计优化

Research on Structure Analysis and Design Optimum of Distributing Pipe of Impulse Turbine in Hydropower Stations

冲击式水轮机基本理论研究

The Basic Theory of Impulse Turbine

冲击式水轮机装配时空间组合尺寸的检测方法与工具

The Inspecting Method and Special Tools of Space Geometry Size for Assembling Inspection of Action Turbine

这些研究成果，对保证冲击式水轮机稳定运行具有重大意义。

The result of this study is of great significance to ensure stable operation of Pelton turbine .

研究了水斗数对冲击式水轮机性能的影响。

The experimental study on the influence of bucket numbers on the Pelton turbine ′ s performance was presented .

冲击式水轮机适用水头100-1000米，水流从压力水管经喷嘴形成一股强有力的高速射流冲击转轮使转轮旋转。

Pelton turbine is widely used with water head of10m-1000m that is suitable for power station with high head but small water flow .

介绍冲击式水轮机三叉管结构的数学模型及其应用，提出了参数化设计的设想。

This article introduces mathematical model and its application of Pelton wheel Y-pipe structure . Then the author puts forward an idea of parametrization design .

第三章，从折向器动作的物理本质和冲击式水轮机特性曲线入手，推导出了折向器方程；

Chapter 3 : From the physical essences of deflector motions and the characteristic curves of impulse turbine , give the detailed deduction on new deflector formulas .

冲击式水轮机水斗内非定常自由水膜的流动非常复杂，至今还没有足够精确的数值方法来模拟这种流动。

The unsteady free water sheet flow in the rotating bucket of a Pelton turbine is a very complex flow that cannot be accurately simulated for lack of a numerical method .

探讨冲击式水轮机的射流干涉现象，分析了水斗在不同位置的入流和出流速度三角形，指出了射流干涉对转轮效率的影响，提出了提高冲击式水轮机效率的方法和途径。

The inflow and outflow velocity triangle in different position during the receiving of the jet is analyzed . The influence of the jet interference to runner efficiency is presented . And the methods of improving the efficiency of Pelton turbine are put forward .

第一章，指出本文研究的意义和目的，回顾前人对水力过渡过程、冲击式水轮机，以及上游调压室设置条件的研究成果，在此基础上提出本文的研究内容。

The major contents are listed as follows : Chapter 1 : Indicate the significance and objective of this paper , review the previous achievements of the transient process , impulse turbine and upper tank , and then present the study purpose of this paper .

对冲击式机组水轮机调速器方案作了较为详细的分析和比较，针对云南以礼河冲击式机组的捷克老式机调，设计了全新的方案。

Various design schemes of microcomputer governors for the impact turbine are analysed and compared in the paper .