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- flow cavitation number 水流空化数
- Some factors of effect i.e. cavitation number and inlet pressure are discussed and the decompositional regular is proposed. 同时;探讨和分析了空化数和进口压力等因素对其降解的影响;提出了水力空化降解与时间的规律.
- In the reverse-tainter-gate-tunnel design of a high-rise shiplock water-filling system, it is of crucial importance to prevent flow cavitation and gate vibration. 在本部分,结合对近几年研究成果的总结,分析了水流空化成因与流态振荡机理,为探讨合理的减蚀防振措施提供理论依据。
- The total noise changes complexly.When the bubble cavitation turns on the sheet cavitation, the total noise will reduce suddenly although the cavitation number becomes smaller. 噪声总声级的变化较为复杂,由泡空化状态转换到片空化状态,空化数虽然减小,但总声级会突然降低。
- This paper studies measures for depressing valve lip cavitation,Compares virtue and short coming of Version improvement measures,bas ed on increasing Working Cavitation number. 笔者从提高空化数的角度出发,研究了减免阀门底缘空化的措施,并比较了各种改善措施的优劣.
- There are the optimal geometric parameters and operating conditions in the system and the degradation rate of rhodamine B increases with decreasing the value of the modified cavitation number. 试验结果表明:水力空化对若丹明B确实有降解作用,处理系统中存在最佳的孔板几何参数和操作运行条件,并且若丹明B的降解速率随修正空化数的减少而增大。
- With the decreasing of cavitation numbers, the vorticity value lowers since there is in large grad of the velocity in the cavitation area. 随着空化数的降低,空化区域的流场混合得更为均匀,从而使涡量的峰值逐渐减小;
- cavitation number of water flow 水流空化数
- A free flow of water came from the pipe. 水从管道里通畅地流了出来。
- In convection, hot currents flow upwards. 在对流中热气流向上运动。
- After several pumps, the water began to flow. 用泵抽了几下之后,水流出来了。
- Keywords Plug;Incipient cavitation number;Energy dissipater;Hydraulic characteristic;Mixture model; 洞塞;初生空化数;消能工;水力特性;混合模型;
- A flow of word is no proof of wisdom. 口若悬河,未必明智。
- Several conclusions flow from this hypothesis. 从这项假设中可以得出几个结论。
- Many benefits will flow from this discovery. 这项发现将带来许多好处。
- Turn the cock to increase the flow of water. 请开大龙头以增加水流量。
- Office politics just seem to flow over him. 同事之间互相倾轧、 勾心斗角的事似乎并未波及到他。
- The business has a cash flow of£50000 a month. 这家商行的现金流转为每月五万英镑。
- Flow metering installation shall not cause flashing or cavitation. 流量表的安装不应引起闪蒸或气蚀。
- This cost number is used to optimize message flow. 此开销数用于优化邮件流。