查询词典 turbulent

D turbulent flow in impeller of centrifugal pump with splitting vanes was simulated for the first time.

对偏置的分流叶片离心泵叶轮内三维不可压湍流场进行数值模拟。

The convection term in turbulence equations is discretized using first-order upwinding scheme to ensure more stability in time integration and the positivity of the turbulent variables.

对湍流方程中的对流项，则采用一阶逆风格式离散，以进一步保证时间推进的稳定性和湍流变量的正值性。

In Chapter 4, the Thwaites＇s method for 2-D laminar boundary layer and the Truckenbrodt＇s method for 2-D turbulent boundary layer are developed to solve the"quasi-3-D"equations for the 3-D boundary layers on rotating helical blades, and a integral method, which can be solved by iteration, is resulted.

在第4章中，计算二维层流边界层的Thwaites方法和计算二维湍流边界层的Truckenbrodt方法被推广用以解关于旋转螺旋面上三维边界层的&准三维&方程，得到一种可迭代求解的积分方法。

Main advances of research on vortices in pump sumps;2. Based on flow field analysis,it shows that owing to the wakes behind the upstream suction pipe,the downstream flow becomes more turbulent and appears with obvious free-surface vortices and submerged vortices in complicated movement.

本文在玻璃水槽内对不同管间距条件下的吸水管周围进行了大量的PIV流场量测实验，通过流场分析显示，上游吸水管的尾流作用加剧了下游吸水口的水流紊动强度，流场多处出现表面旋涡和水内旋涡，其运动形态复杂多变。

Here we present a simple alternative explanation involving deposition from a ground-hugging turbulent flow of rock fragments, salts, sulphides, brines and ice produced by meteorite impact.

在这里我们提供一种简单的替代方案解释下面现象包括来自地面的沉淀-包裹岩石碎片，盐，硫化物，盐水和被陨石冲击生产的冰叶的流程。

When the cerebral vessels are stenotopic, the method will be applied to control the turbulent blood flow and change the blood flow into a laminar state by the characteristic of hemodynamics.

在时间延迟反馈控制混沌的基础上，提出了时间延迟连续反馈控制法，并根据血流动力学特点，将其应用於控制脑血管狭窄时血液流动的湍流状态，使其转变为层流状态。

For solving these problems in the strong turbulent regime it is necessary to study the interaction of solitons with particles.

在强湍动条件下解决这一问题，必须研究孤子与粒子间的相互作用。

Experimental study and numerical simulation about turbulent boundary layer drag reduction of riblets surface were carried out for increasing voyage and speed of vehicle.

针对航行器提高航程和航速的需要，开展脊状表面湍流边界层减阻的实验和数值仿真研究。

Based upon the new explanation of the structure of turbulent boundary layer and the fact that specially designed non-smooth surface can reduce fluid drag,the authors have designed and fabricated the Riblets Drag Reduction Film.

作者根据湍流附面层结构新的解释及非光滑特殊造型表面可以减小流体阻力的事实，作者研制了微肋条减阻薄膜，贴在赛船上参加比赛，获得好成绩[1、2 ] 。

Numerical simulations of fully developed turbulent flow over triangle,scallop and blade riblets biomimetics non-smooth surface were performed to educe the reason of different drag reduction by different riblets,which can provide guide for design optimization riblets.

分析了三种沟槽非光滑表面的流场特性，对计算域中心Z=3mm平面的速度场和湍流统计量进行了研究，分析了不同沟槽形状对减阻效果的影响，为最佳减阻沟槽设计提供了理论依据。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。