| 1. | A parameterize designing software is made by delphi 6 . 0 利用delphi6 . 0设计了一个旋喷泵集流管的参数化设计软件。 |
| 2. | One part of this paper is the researching of the design and flow of the pick - up tube 论文的一部分是集流管的设计及内部流动研究。 |
| 3. | The design of the pick - up tube accords to the research on the roto - jet pump by other people in china and a new type model is designed 集流管的设计参照了目前国内对集流管的研究并提出了一种改进型的集流管模型。 |
| 4. | The pick - up tube is one of the most important overflowing parts , and its design result will directly influent the efficiency of the roto - jet pump 集流管是旋喷泵的重要的过流部件,它的设计的好坏直接影响到旋喷泵的效率。 |
| 5. | The shape of the pick - up ' s inlet influence the internal pressure much . another part of this paper is numerical simulation of the flow in the rotating case 集流管在转子腔中是静止的,其对转子腔内流动的影响直接关系到旋喷泵的水力性能。 |
| 6. | Our country began to introduce this pumps in 1990s . the research on it is very poor now especially on the flow in the pick - up tube and rotating case 我国从九十年代末开始引进,目前国内对旋喷泵的研究还比较少,尤其是对集流管以及转子腔内部的流动状况研究更是一个空白。 |
| 7. | All the research on this pump is analysis by synthesis in this paper and many models are designed according to the real condition . the flow in the pick - up tube and rotating case is researched by numerical simulation 本文综合了国内对旋喷泵的研究,根据实际工况设计了多种模型并用数值模拟的方法对集流管及转子腔的内部流动进行了分析研究。 |
| 8. | Numerical simulation on the three - dimensional turbulence flow in the pick - up tube is based on reynolds time - average navier - stokes equations . the k - turbulence - closed model is used in this paper . in the near wall area the standard wall function is used 对集流管的三维粘性紊流模拟计算是建立在雷诺平均的navier - stokes方程的基础上,紊流封闭模型采用目前工程上应用比较广泛的模型,在靠近固壁区采用了标准的壁面函数法。 |