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1.The V-shaped nose guard helps to streamline the flow and protects the upstream circumference of the laminated disc-seal.
这种V形鼻状保护装置有助于形成流线型的流体,从而保护叠层阀瓣密封的上游周边。收藏指正
2.Abstract: Through a series of hydraulic model tests for researching actual power tunnel operation,a conclusion is reached that in order to get a better flow pattern the profile of the wate-carrying structure should be adapted to the variation of water streamline shrinkage,flow velocity and pressure intensity.The configuration and dimension of the kinetic energy dissipator should be selected carefully to make the water tunnel safe and reliable at different levels of diversion dischage.
文摘:针对实际工程中的发电引水隧洞运行的各种工况进行了水工模型试验研究,指明要获得良好的水流流态,过水建筑物各部位结构轮廓的造型应适应水流流线的收缩、流速及压强的变化;为使引水隧洞在各级引水流量下能安全可靠地运行,需慎重确定洞内消能工的体形和尺寸。收藏指正
3.In extensional flow fiber tended to perpendicularity to the streamline, while in shear flow and convergent flow fiber tended to parallel to the streamline in the thin wall caving.
在薄壁型腔的扩张流中,短纤维趋于与流线方向垂直,而在剪切流和收敛流中趋于与流线方向一致。收藏指正
4.The streamline distributions in the flow field around 2 cars with the side space of 0.1,0.3,0.5,1 and 2 times of car width were compared.
重点对比了0.1、0.3、0.5、1、2倍车宽间距的两车流场的流线分布情况。收藏指正
5.CLOSE-TO-STREAMLINE NUMERICAL SIMULATION OF GAS-SOLID FLOW IN HIGH CONCENTRATION ESP GAS INLET HOOD
高浓度电除尘器入口封头气固两相流动的近流线数值模拟收藏指正
6.Full Size Orifice - All Series N388 valves have a full-size orifice to assure pipe size capacity. Water passages are streamline to provide high water flow with minimal pressure loss.
全通径喷嘴-所有系列N388阀门都有一个全通径喷嘴以确保管道口径的通过能力。水流道为流线型,在压降最小前提下实现高流量。收藏指正
7.This paper examines the two-phase flow for a horizontal well penetrating a naturally fractured reservoir with edge water injection by means of a fized streamline model. The mathematical model of the vertical two-dimensional flow of oil-water for a horizontal well in a medium with double-porosity is esta-blished. and whose accurate solutions are obtained by using the characteristic method.
本文在流线不变的假定下研究边部注水时裂缝性油藏中水平井两相渗流问题,建立了双重孔隙介质中水平井两相流体垂直二维渗流的数学模型,并用特征线方法进行了精确求解,给出了裂缝系统和岩块系统中的饱和度分布以及水平井见水时间公式,从而为边部注水开发裂缝性油藏提供了必要的理论基础和工程计算方法。收藏指正
8.In this paper, 11 species Air Model is used for calculating the chemical non equilibrium viscous shock layer flow over hyperboloids. The stagnation streamline distributions of pressure、temperature and N + 2、O + 2、N +、O +、NO + and e - number density are given and compared with the results of 7 species、5 species models.
本文采用11组元化学模型对双曲体粘性激波层化学非平衡绕流流场进行了数值计算,给出了压力、温度,N+2、O+2、N+、O+和NO+摩尔浓度及e-数密度在驻点的分布,并与7组元、5组元的计算结果作了比较。收藏指正
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