| 1. | The performance contrast test of the centrifugal pump is in chapter six
第六章叶片型线对比试验。 |
| 2. | The software provides two measuring modes : manual mode and auto mode
叶片型线测量分为手动测量和自动测量两种方式。 |
| 3. | Finally the thesis uses the theory to design the pump vane and then tests results though the experiment
最后本文应用该理论设计了离心泵叶片型线，并用实验进行了验证。 |
| 4. | The experiment shows that by changing the velocity coefficient , the separation of boundary layer on pump vane can be controlled , and the performance of pump is improved and its hydraulic efficiency
实验证明通过改变叶片型线参数方程中的速度系数的取值，可以控制边界层的分离，进而改善泵的性能，提高其水力效率。 |
| 5. | In the basis of the references on a centrifugal pump of two - phase fluids from domestic and oversea , its theory of boundary layer is presented and set up and the modular curve equation of vane is received in this paper
本文在综合国内外关于固液两相流离心泵及与之相关文献的基础上，首次提出并建立了固液两相流泵的边界层理论，给出了叶片型线方程。 |
| 6. | Dr . zhu yucai first presented the theory of boundary layer of centrifugal pump and derived the vane shape equation . based on the theory and analysis of references abroad and home on centrifugal pump , the thesis creates a mathematic model of turbulent boundary layer of centrifugal pump
朱玉才博士首次提出了离心泵边界层理论并给出了叶片型线方程，本文就是基于朱玉才博士研究工作的基础上，通过大量分析国内外有关文献，建立离心泵叶轮湍流边界层的数学模型。 |
| 7. | The method takes advantage of bezier curve to work out a set of blade profiles of centrifugal pump , using thickening law to thicken the profiles . then the pressure and suction lines of the blade can be obtained . it takes advantage of bezier surface to create pressure and suction surface and makes use of mdt software to create the three - dimensional blade entity
首先采用速度系数法计算得到离心泵叶轮的基本参数，再由b zier曲线生成一组叶轮叶片型线，按照加厚原理对型线进行加厚，得到正背叶片线，再采用张量积b zier曲面生成叶片正背面，由mdt进行三维实体造型得到叶片，从而得到流场计算区域的模型。 |
| 8. | In chapter four , according to the analysis on the boundary theory and velocity field of main fluid zone of two - phase fluid pumps , the parameter equations of vane ' s modular curve of centrifugal pump are given , which contact the boundary " layer and eular theory of two - phase fluid pump by the fixing angel of vane as variable and leading into the velocity coefficient a . the results show that , in designing process of vane ' s modular curve of centrifugal pump , the determination of the total shape and parameters relates the flow properties of two - phase fluid and output ability of pump , or the design of the modular curve of centrifugal pump is the kernel of hydraulic design
第四章依据固液两相流泵的边界层理论及对主流区速度场的分析，给出了离心泵叶片型线的参数方程；它是以叶片安装角为参变数，以引入的速度系数k _ v作为中间因子，将两相流泵的边界层理论和欧拉理论联系起来? ?它说明了这样一个事实，在离心泵叶片型线的设计过程中，它的整个形态或参数的确定都关系到两相流体的流动特性和泵的输出能力，或者说，离心泵型线的设计是其水力设计的核心。 |
| 9. | Based on the theory of boundary layer and analysis of the velocity field of main flow , the thesis also derives the vane shape equation . in the equation , （ angle of pump vane ） is variable parameter , （ velocity coefficient ） is introduced as medium factor , which connects the theory of boundary layer with the eular theory . it provides a valuable reference for the designation of vane of pump
基于离心泵叶片边界层理论和对主流区速度场的分析，给出了离心泵叶片型线参数方程，它以叶片角为变参数，引入速度系数作为中间因子，将边界层理论和欧拉理论联系起来，并在离心泵叶轮的设计过程中统一起来，能够在设计中就根据实际的需要防止或控制过流表面的边界层的分离。 |
