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- ventilated cavitation number 通气空化数
- 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.
- 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。
- Based on the theory of cavitating flows,the definition of supercavitation,the main idea of reducing drag by ventilated cavitation and the principle of supercavitation torpedo are introduced. 文章从空泡流理论出发,介绍了超空泡的定义、超空泡减阻的基本思想和超空泡鱼雷的工作原理,并分析了超空泡技术研究中的关键问题和未来发展趋势。
- 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;
- These issues have been very well ventilated. 这些问题已经过充分讨论。
- The students ventilated their grievances. 学生们公开表示了他们的愤怒
- Cool breezes ventilated the house. 凉风令屋子通气。
- He thumbed through the directory to look for her number. 他翻阅电话号码簿找寻她的号码。
- Let me note down your address and telephone number. 让我记下你的地址和电话号码。
- He picked a winning number on the first draw. 他第一次便抽到一个中奖号码。
- The number of fish in coastal waters has decreased. 沿海鱼的数量已减少了。
- The number represented by the digit or digits in2. 在释文2。中所说的由一位或几位数字表示的数。
- ventilated cavitation 通气超空泡
- The students in our class number thirty. 我班总共有三十名学生。
- I dialed the right number, but nobody answered. 我拨的号是对的,但没有人接电话。
- A number of new hats were on parade at the wedding. 在婚礼上见到有些人戴著新式的帽子。
- A number of satellites are now circling the earth. 一些人造卫星现在正环绕地球飞行。