斜流泵

基于数值计算的斜流泵级性能改进

Performance improvement of a mixed flow pump stage based on CFD

本文使用A·DE·KOVATS方法来进行不同比转速系列斜流泵的设计。

In this paper , A. DE. Kovats ′ method is applied to design the diagonal flow pump of various specific speed series .

建立斜流泵瞬态性能测试实验台，进行了瞬态外特性、PIV内流测量和瞬态压力脉动测量。

The test-bed for mixed-flow pump transient starting performance was developed , and the transient overall characteristics , PIV internal flow and transient pressure pulsation were measured .

通过改造进口管结构首次实现了对斜流泵垂直轴截面进口流场的PIV拍摄。

The PIV shooting of inlet flow field on a vertical axis section of the mixed-flow pump was achieved for the first time through reforming the inlet pipe structure .

文中以斜流泵叶片为设计实例，在计算机上计算出结果。

A design example and the results of calculation by computer are given .

关于斜流泵的开发与研究

Exploiting and Studying of the Diagnoal Flow Pump

可调斜流泵叶片若干参数的设计分析

A Design Analysis of Several Variables of a Diagonal Flow Pump with Adjustable Blades

可调节携便式镇痛泵可调斜流泵叶片的设计和研究

Design of Diagonal-Flow Pump with Adjustable Blades

本文提出了设计可调斜流泵叶片的一种新方法；

A new method for designing a diagonal - flow pump with adjustable blades is proposed .

斜流泵是叶片角度全调节的混流泵，其对运行工况的适应性和宽广的高效性，使其得到越来越广泛的应用。

The all-adjusted mixed-flow pump is more widely used in engineering , which is due to its wide operating-mode adaptability and high efficiency .

针对准稳态数值方法预测斜流泵启动过程瞬态水力特性准确性差的问题，建立了斜流泵启动过程瞬态性能的数值计算方法。

Numerical simulation methods of transient characteristics for mixed-flow pumps were developed aiming at the poor accurate prediction of transient hydraulic characteristics by quasi steady-state numerical method .

关于斜流泵的开发与研究&斜流泵理论特性曲线的预测和与实验特性曲线的比较

Development and Research of the Diagonal Flow Pump ── Forecast of the theoretical characteristic curve of the diagonal pump and comparison with its actual one obtained form test

本文研究了不同的引气量和可调静子叶片安装角对压气机性能的影响。可调斜流泵叶片的设计和研究

The effect of different bleeding mass flows and the variable vane stagger angle on compressor performance is presented in this paper . Design of Diagonal-Flow Pump with Adjustable Blades

文中给出了使用该方法设计的四个斜流泵的水力模型木模图和400XD&9斜流泵的结构图。

Hydraulic wood model figures of four diagonal flow pump s and the structural figure of Model 400 XD-9 diagonal flow pump are drawn in this paper by means of this method .

动应力和变形量随转速变化趋势为斜流泵叶轮的瞬态水力特性优化设计及可靠运行提供理论参考。

The change trend of dynamic stress as well as deformation with speed provides a theoretical reference for the optimized design of transient hydraulic characteristics as well as reliable operation . 5 .

采用二元理论优化设计了2种斜流泵模型，并通过稳态数值计算方法对斜流泵模型在不同转速下的外特性和汽蚀性能进行预测分析。

Two mixed-flow pumps were optimized by using two-dimensional theory and the prediction and analysis of overall characteristics as well as cavitation performance of different speeds were conducted through steady Numerical simulation .

实验得到的外特性结果、瞬态的速度矢量场和压力脉动数据为斜流泵瞬态流动机理的探索提供了真实有效数据，同时为检验数值计算方法的正确性提供参考。

The overall characteristics , transient velocity vector field and pressure pulsation data got from experiments can provide the real and effective data for exploring transient flow mechanism of the mixed-flow pump . 6 .

采用数值计算和实验研究相结合的方法，对斜流泵瞬态外特性和内部瞬态流动机理进行研究，为斜流泵瞬态工作过程中的非定常流动控制和优化提供理论依据。

The transient external characteristic and internal transient flow mechanism were investigated by combining Numerical simulation and experimental study , providing the theoretical foundation for the control and optimization of unsteady flow during transient working period . 1 .

瞬态无量纲扬程曲线偏离稳态无量纲曲线，说明启动过程的瞬态水力特性不具有相似性，准稳态方法不适用于揭示斜流泵瞬态工作过程的内流特性。

The transient dimensionless head curve deviating from steady-state dimensionless curve shows that the transient hydraulic characteristics during starting period do not have a similarity , and the quasi steady-state method is not suitable for revealing the internal flow characteristics of the mixed-flow pump .

喷水推进器斜流模型泵级内部流场与性能的研究

Studies on Interior Flow Field and Performance in Mixed-flow Thruster

建议在低扬程地区泵站工程中推广与应用斜式轴流泵。

As a result , the oblique axial flow pump can be applied and popularized in the pumping station project where there is a low delivery lift .

对30°斜式轴流泵进行水力模型试验的结果表明，该水泵具有良好的水力特性，高效范围区较广，能获得较高的装置效率。

The results of the hydraulic model test of the inclined axial flow pump station at 30 ° angle are introduced in this paper . They show that the pump equipment has good hydraulic and mechanical characteristics , and also can gain high efficiency .

螺旋桨斜流试验装置喷水推进器斜流泵级的性能预测研究

SPECIAL EQUIPMENT - A New Device for Testing the Propeller in Oblique Flow Prediction and Analysis on Mixed-Flow Thruster Performance