流空

Owing to the monotonic mapping of fuzzy structured element established the homeomorphic property between fuzzy number space and the family of standard bounded monotone function, so, we can transform the study of any properties in fuzzy number space to the corresponding one in the family of standard bounded monotone function, e.g.

本项目针对矿井下采空区岩石陷落形成的多孔隙介质空间的极度不规则性，建立一种以模糊值函数分析学为基础的、更接近于刻划采空区内气体流动实际状况的模糊微分方程及各种边值问题，进而得出解算复杂采场气体模糊渗流问题的数学方法。

The time evolutions of the shape of cloud cavities, the lift and drag force around the hydrofoil have been obtained, and compared with experimental results.

采用不同的修正系数，分别计算了绕Clark-y型水翼云状空化流动，获得了随时间变化的空化形态和升、阻力等流场及动力特性。

Numerical simulation of the flow field across an ogive headform/cylinder body was performed to confirm the accuracy and reliability of the presented methodology.

采用具有试验数据的拱形头部圆柱体空化绕流考核了所提出的空化模型和算法的准确性和可靠性。

The experiment shows that negative pressure exists in the roof of pressure tunnel outlet and open channel segment, strong water-wing on sidewall, unstable flow in open channel.

结果表明，原设计方案压力洞出口顶板和明渠段存在负压，侧墙水翅高，明渠中水流不稳，流态差，水流空化数偏低，底空腔偏小，水流掺气能力不足。

The results indicated that tip rounding of blade pressure side could improve flow condition and reduce the probability of gap cavitation while the pump's performance would not be affected significantly.

结果表明，修圆叶片压力面外缘有利于改善间隙流场的流动，可降低间隙空化空蚀的发生，而对泵的总体性能影响不大。

Also the mechanism about the top even angle gas" effusing is analyzed. The 3-D seepage equation of the wind flow in gob area is put forward on the basis of analyzing the mine"s wind flowing rule and the gob areas collapse mode.

随后分析了上隅角瓦斯涌出的机理，并在研究矿井风流流动规律和采空区垮落形态的基础上，提出了采空区内风流三维渗流方程。

Based on the simulation results, the region and the degree of cavitation occurred in the flow passage of the turbine with a low water level at the outlet of the draft tube are examined, the cavitation performance of the turbine is also evaluated.

根据模拟结果，考察了水轮机在低尾水位下运行时流道内空化发生的部位和程度，并对水轮机的空化性能进行了预估。

Selfresonant cavitating jet is a kind of modulated jet with significant impact pressure fluctuations and cavitation effects.

自振空化射流是利用瞬态流和水声学原理调制而成的一种新型射流，本文研究了自振空化射流在常压及围压下的压力脉动特性及其参数影响规律。

There are 4 end members of volcanic clasts, including catapult airfall, ejection airfall, base surge and volcanic clasts flow.

与火山作用有关岩相有4种端元的火山碎屑岩相：弹射坠落爆发空落相、喷射降落爆发空落相、热碎屑流相和热基浪相。

If the volcanic clasts were deposited on volcanic slope and/or fluvial plain, they would occur in the 4 faceis mentioned above or in alluvial fan and braid stream.

与火山作用有关岩相有4种端元的火山碎屑岩相：弹射坠落爆发空落相、喷射降落爆发空落相、热碎屑流相和热基浪相。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。