| 1. | Points of mean axial fluid velocity
平均轴向流体速度点 |
| 2. | Critical annular fluid velocity
临界环空流速 |
| 3. | In chapter 2 , the basic theory of the principle hugoniot and the methods of fluid velocity measurement are briefly summarized
第二章是本工作的理论基础，简要讨论了测量和制靶的基本原理和方法。 |
| 4. | The effective law on the frequence and modal of vibration due to the fluid velocity , the fluid press and the number of elements was obtained
得出流体流速、流体压力、划分单元个数等对管道的频率和振型的影响规律。 |
| 5. | For best performance swing check valves should operate with fluid velocity sufficient to hold the disc in a stable position off the seat or fully open against the disc stop
为了获得最好的性能，旋启式止回阀应该运行在流量速度足够将阀瓣稳定支撑在离开阀座的位置，或让阀瓣停止在全开的位置。 |
| 6. | Based on the analysis of corrosion mechanism of naphthenic acid , the major factors affecting the naphthenic acid corrosion , including crude oil composition , operation temperature , fluid velocity and flow pattern , pressure and metallurgy of equipment materials , are discussed
通过对环烷酸腐蚀机理的分析，指出原油组成、操作温度、流速和流动状态及设备材质等是影响环烷酸腐蚀的重要因素。 |
| 7. | Numerical results show that the bubble concentration distribution can be predicted by using the two - way coupling of the fluid and the bubble motion , and adding the wall lift force into the bubble motion equation , and the fluid velocity , turbulence intensity and shear stresses modified by the bubble motions can also be revealed
数值模拟结果表明，通过加入壁面升力和采用双向耦合方法，可以较准确地预测气泡浓度分布和揭示气泡流动对流体湍流结构的影响。 |
| 8. | It was found be compared the two - phase flow of power law fluid - solid with that of liquid - solid that the fluid velocity of power law fluid - solid was bigger than that of liquid - solid and the particle velocity distribution of power law fluid - solid was flatter than that of liquid - solid
对带颗粒的幂律流体的两相流流动与液固两相流流动做了比较，幂律流体两相流的流体速度在管道中心附近的大部分区域比液固两相流的流体速度流动的速度大，而颗粒相的速度分布比较平坦。 |
| 9. | The change of fluid velocity and pressure of the micropump was also simulated , thus we could recognize the property of the liquid of the microsystems more completely . the equivalent circuit method is a way of building micro system model . the thesis simulated the micropump system with the equivalent circuit method , worked out the change of output pressure and flux of the micropump
微泵的流量和压力是微泵的重要工作参数，应用有限元流固耦合分析对流体进行模拟，经过分析计算，得到微泵的输出流量为145 . 5 l / min ，并模拟出流速和压力的变化情况，从而较为全面的认识了微泵系统的流体特性。 |
