Open water test and cavitation test of standard propeller 4119 are carried out in depressurized towing tank.
本文选用标准桨模4119，在减压拖曳水池进行了常压下的敞水重复试验及减压下的空泡性能试验。
For the scale effect of cavitation test, the influence of gas nucleus on scale effect is analyzed in this paper.
针对空化试验的比尺效应，主要分析气核对空化比尺效应的影响。
To improve the cavitation performance of diaphragm metering pump, a comparison of cavitation test is made between the modified diaphragm metering pump and the original measuring pump.
通过对改造的隔膜计量泵与原有的计量泵进行的汽蚀试验对比，给出了隔膜计量泵性能与现场使用的最佳匹配工况。
In addition, cavitation is a difficult problem in hydraulic machinery. On the basis of a great deal of literature review, the author is also involved in the design of cavitation test facility.
另外，汽蚀一直是水力机械的难点问题，在阅读大量相关资料的基础上，积极参与设计了泥泵汽蚀试验装置。
Test results show that this kind of throttle has stronger anti-cavitation ability than the one-step one of the same shape.
实验结果表明这种节流形式比相同形状的一级节流具有更强的抗气蚀性能。
This article describes the propeller noise tests in JTU cavitation tunnel and some of these test results obtained.
本文介绍上海交通大学空泡筒进行螺旋桨噪声试验研究情况及部份结果。
By means of depression model test, this paper researches cavitation characteristics of service gate slots for middle outlet works of Jishixia hydropower station.
本文通过减压模型试验对积石峡水电站中孔泄洪洞平面工作闸门槽的空化问题进行了研究。
Finally the application of the new modeling method to model test of cavitation and noise of propeller working behind is discussed.
最后讨论了新模拟方法在船后螺旋桨空泡与噪声模型试验中的应用。
In this paper, a test system to pure water hydraulic gear pump for modeling test was designed, which is used to test cavitation property except for usual property and life test.
本文还设计了一套对纯水液压泵进行型式试验的纯水液压试验系统，除了对齿轮泵进行一般的性能和寿命试验外，还可对其进行气蚀性能的研究。
It introduces the cavitation phenomenon of hydraulic turbine. The relationship between the cavitation factor and the water temperature is analyzed and it was verified by the model test results.
分析了水轮机的空化现象，推导了空化系数与试验水温的关系，并对推导结果进行了试验验证。
The theory and experimental results of a new rotating-flow test device for cavitation damage are introduced.
介绍新型旋转水流式空蚀试验装置的原理及使用该装置的试验成果。
In this paper, it is introduced to the influence of cavitation factor, measurement taps, sampling frequency and sampling time on the test result in pressure fluctuation test of the water turbine.
介绍了水轮机压力脉动试验时空化系数、测量位置及测点、信号采样频率及采样时间等因素对试验结果的影响。
The surface morphology progression of grey cast iron due to cavitation erosion induced by tap water has been studied carefully by cavitation corrosion test and SEM observation in turn.
采用空泡腐蚀与定位跟踪观察交替进行的方式，研究了灰口铸铁在自来水中空泡腐蚀过程的表面形貌演变。
Test principle and typical application of measuring sonic cavitation effect with the conductance instrument are introduced in this paper.
论述研制轻质石油产品电导率仪检定系统的必要性，介绍各级检定标准装置的原理和检定方法。
Test principle and typical application of measuring sonic cavitation effect with the conductance instrument are introduced in this paper.
论述研制轻质石油产品电导率仪检定系统的必要性，介绍各级检定标准装置的原理和检定方法。
应用推荐