| 1. | Improvement on cavitation performance of diaphragm metering pump 隔膜计量泵的改良设计与汽蚀性能的提高 |
| 2. | The measure and progress to improve the cavitation performance of centrifugal pump 提高离心泵抗汽蚀性能的措施 |
| 3. | In the design example , the cavitation performance is improved markedly , this shows that present method is reasonable and effective 通过实例螺旋桨的设计,说明本方法是合理和有效的。 |
| 4. | The main effects on cavitation performance of large - scale mixed flow pump used in a special propulsion system are analysed 摘要分析了用于推进系统的大功率混流泵影响汽蚀特性的主要因素。 |
| 5. | This technique can effectively improve the cavitation performance and resolve the design problem of propeller operating in unsteady flow field 能有效地改善非均匀流场中螺旋桨的空泡性能。解决了非均匀流场中螺旋桨设计问题。 |
| 6. | The two - phase flow on blade surface by means of charging air is one of technical manners to improve the cavitation performance for marine propellers 在桨叶表面充气,以气液二相流代替单相流动,实现扩大空泡斗,是当前船舶螺旋桨减振降噪措施之一。 |
| 7. | Blade section designed based on equivalent operating curve can effectively control the cavitaion area and type , and the desired cavitation performance can obtained 基于等效运转曲线设计的桨叶剖面能有效地控制空泡范围和空泡类型,得到期望的空泡性能。 |
| 8. | The cavitation characteristics of mixed flow pump during starting period , relations between cavitation performance and flowrate , rotational speed and impeller parameters were discussed 讨论了启动过程的汽蚀特性以及混流泵汽蚀性能与流量、转速、叶轮参数的关系。 |
| 9. | Based on the cavitation chart it can be seen that the charging air with appropriate parameters on blade surface is efficient and feasible for improving the cavitation performance of propeller blades 根据翼型在充气前后的压力分布,确定空泡斗的变化,从而可以认定按适当参数提供的二相流对于扩大空泡斗,以改善螺旋桨空泡性能是有益的和可行的。 |
| 10. | There are valid methods to improve the cavitation performance of the mixed flow pump that is select the best cavitation performance point as design point , reduce the operation speed and adopt effective impeller parameters 选取最佳汽蚀性能工况点为设计工况点,在满足尺寸要求前提下降低转速,采用合理的叶轮参数等手段可有效提高混流泵的汽蚀性能。 |