| 1. | Technical specifications for mixed and axial flow pumps 混流泵轴流泵技术条件 |
| 2. | Blade angle adjustment of axial flow pump 谈轴流泵叶片角度调整 |
| 3. | Tubular type axial flow pump 管式轴流泵 |
| 4. | Tubular tye axial flow pump 管式轴流泵 |
| 5. | First the traditional lifting design method was applied to design the axial flow pump impeller on given flow parameters 首先采用传统的升力法对给定参数的轴流泵叶轮进行了设计。 |
| 6. | Both lifting design method and quasi - three - dimensional design method has been applied to the design of axial flow pump impeller 本文分别采用升力法和准三维的方法对轴流泵叶轮进行了设计计算和性能预估。 |
| 7. | Using fluid analyze software , the 3d turbulent flow is stimulated based on navier - stokes equations and k - model . the turbulent flow through axial flow pump impeller is simulated by using the non - uniform triangle mesh system and the finite volume method . calculated results are presented at the design operating condition for the impeller in detail , which give a valuable reference to improve the performance of the impeller 最后,应用cfx流体分析软件,基于n - s方程和标准-紊流模型,采用非结构化网格技术,用联立求解各变量代数方程组的方法对设计工况下的轴流泵叶轮内部的三维紊流场进行了详细的数值计算与分析,并预测其性能。 |
| 8. | The flow equations are solved using finite difference technique . using body - fitted curvilinear coordinate system treated the boundary conditions . by iteratively solving the flow governing equation and the blade equation , the design of axial flow pump impeller in the quasi - three - dimensional rotational flow can be performed according to the angular momentum distribution , the blade which was designed in the lifting method , flow channel and the blade thickness given 其次在流动无粘性、不可压及考虑叶片厚度的条件下,依据叶轮内的流动特性,推导了叶轮内三维流动周向平均流动控制方程以及叶片方程;在贴体坐标系中,采用有限差分法求解流动方程和叶片方程;在采用升力法设计出的叶片作为初始叶片、给定叶片速度矩分布、叶片厚度分布和叶轮轴面流道几何形状条件下,迭代求解流动控制方程及叶片方程,实现了轴流泵叶轮的准三维方法设计。 |