| 1. | Testing method for cavitation erosion of fine ceramics
细陶瓷的空蚀试验方法 |
| 2. | The method of vibration cavitation erosion test
振动空蚀试验方法 |
| 3. | Analysis on the cavitation erosion of regulating valve and control measures
调节阀汽蚀现象的分析与控制 |
| 4. | Cavitation erosion and corrosion resistance of as - welded nickel aluminum bronze
焊态镍铝青铜的空蚀腐蚀性能 |
| 5. | How to improve the capability of preventing cavitation erosion on the centrifugal pump
如何提高离心泵的抗汽蚀能力 |
| 6. | Progress in the research on cavitation erosion resistant materials for hydraulic machinery
水力机械抗汽蚀材料研究新进展 |
| 7. | When the propeller operates in the spatially non - uniform velocity field behind the ship , the unsteady cavitation on the blades often causes the vibration of ship structure , the propeller noise and the cavitation erosion on the blade
在船尾非均匀流场中工作的螺旋桨，常常由于桨叶上产生了非定常空泡，导致船尾振动和螺旋桨噪声，致使桨叶表面出现空泡剥蚀。 |
| 8. | The definitions and the conditions of cavitation erosion and flash vaporization have been discussed in detail ; the paper also shows examples of different definitions in different books , which cause the complexity of calculating discharge factor and the damage to control valve ; suggests relevant measures to avoid the damage in real working condition
摘要对气蚀和闪蒸的定义、产生的条件进行了详细论述，以规范不同版本书籍在概念上的模糊不清，以及由此造成的调节阀流量系数计算的复杂性和对调节阀的损害，以便采取相应措施，在实际工况条件下加以避免。 |
| 9. | Variations in pressure with and without aeration in cavitation region are measured and the compressible characteristics of pressure waveforms and relation between mach number and compression ratio are analyzed ; the time - averaged pressure profiles of different air concentration in cavitation erosion region are measured , the variations of the pressure with air concentration and effects of back pressure on cavitation erosion are analyzed ; the relations between least air concentration to prevent cavitation erosion and flow velocity are proposed ; the cavitation numbers with and without aeration in cavitation region are compared
实测了空化区掺气前后压力的变化，分析了压力波形的可压缩流特征以及马赫数与压缩比的关系；实测了空蚀区不同掺气浓度的时均压力分布，分析了压力随掺气浓度的变化及背压对空蚀的影响；提出减免空蚀的最低掺气浓度与流速的关系，比较了掺气前后水流的空化数。 |
| 10. | With the increase in production load , there is heavy liquid entrainment from the rectification column , resulting in a rise in urea content in the low - pressure ammonium carbamate solution , bringing about the cold crystallization of the low - pressure carbamate , cavitation erosion of the carbamate pump , and a decrease in decomposition of the carbamate in the rectification column , thereby impairing safety in production
摘要生产负荷提高后，精馏塔带液严重，使低压甲铵液中的尿素含量增加，引起低压甲按冷凝器结晶、甲铵泵气性、精馏塔甲按分解率下降等现象，严重影响安全生产。 |
