查询词典 turbulent

With the use of RNG turbulent model in the CFD software Fluent, the inner flow of double suction centrifugal pump with semi-spiral suction chamber was calculated.

在CFD软件Fluent中采用考虑了旋转与曲率影响的RNG湍流模型，对具有半螺旋形吸水室的单级双吸离心泵进行了全流道数值模拟计算。

The pumps with different structural parameters are simulated numerically using k-ε model and wall functions. The results showed that the number of nozzles, the nozzle angle and the nozzle-to-throat clearance have a great influence on the performance of jet pump, and the turbulent kinetic energy is greater in suction chamber and in inlet of throat.

采用k-ε湍流模型和壁面函数法对不同参数下的多喷嘴射流泵进行了数值模拟，模拟结果表明，喷嘴数和喷嘴角度及喉嘴距对射流泵工作性能影响较大；在吸入室及喉管入口处湍动能较大。

Along with adult's joining, the movement project expands greatly, now had the rock climbing, the mountain glide, the turbulent current skin raft, the surfing, jump jump extremely, the slide (skidding of the wheels, small wheeler) U to jump on land and the aquatic sports project and so on match and block steeple race.

随着成人的加入，运动项目大大地扩展，现在已有攀岩、高山滑翔、激流皮划艇、冲浪、蹦极跳、滑板的U台跳跃赛和街区障碍赛等陆上和水上运动项目。

The time-mean, spectral and unsteady characteristics of a wall-bounded turbulent mixing layer flow over an open step and a square-edged rib were investigated experimentally.

本文以开口后台阶引射及窄宽度二维台阶绕流为主要对象，用实验手段研究了近壁湍流混合层旋涡运动的非定常特性。

There's turbulent streams on the left side of Small Fairy Lake, The heaven water is rushing between streams in the boulder rolling out countless foam, with natural growth of various plants, there is valuable material of Chinese herbal medicine, such as the medusa, Chuanbei , rhubarb, Cordyceps sinensis, as well as rare animals, such as: deer, bear, snow leopard, lynx, blue sheep, Mongolian gazelle, snow, giant salamander and so on.

小仙女湖的左侧有湍急的溪流，落差很大，溪流在巨石间翻滚，吐出无数道白沫，仙女湖的四周自然生长着各种植物，有名贵的中草药材，如雪莲，川贝、大黄、冬虫夏草，还有珍贵的动物，如：鹿、熊、雪豹、猞猁、岩羊、黄羊、雪鸡、娃娃鱼等。

To obtain more uniform temperature distribution and relative lowest temperature over cross section of the rotor, on the basis of test data of a given example of a 150MW turbo generator with air coolant, numerical solution of two dimensional modelling equations of air turbulent flow and heat transfer in and between cooling duct and rotor were carried by the Finite Volume Method at condition of varying configuration parameters of sub slot, the number of winding's cooling ducts and center distance of them, and the diameter of slot wedge.

为了能够得到转子截面较均匀并且最高温度值较低的优化温度分布，文中在150MW空冷汽轮发电机转子实验研究基础上，改变副槽的几何形状、径向通风沟的条数及间距、槽楔出风口直径等几何量，采用有限体积法求解转子本体及通风道内空气的传热及紊流流动等二维离散方程组。

Despite a national trend toward economic integration, the needs of state making during this turbulent period of Shandong's history prompted local authorities to restrict the movement of specie across administrative boundaries, leading to marked regional variations in both the silver-copper ratio and local interest rates that illustrate a real political constraint on the spread of purely market forces.

尽管国内经济趋向于整合，但是山东当时动荡不安的历史状态使得当地的当局迅速设立关卡以限制硬币的流通，并导致了银两—铜币汇兑比率和当地利率显著的地区变化——这显示了真实的政治力量对纯粹经济力量扩张的约束。

Their stories of life, death and survival under one roof shed new light on China's turbulent recent history.

沃迪厄很快就喜欢上了这个年轻人，如果她的儿子不死，他的年龄应和安托万的年龄一样。

In this paper the trends in the study on the coherent structure of turbulent shear flows are discussed with a brief review of the achievements in this area during the last thirty years.

本文在简要地回顾了30多年来湍流拟序结构研究的进展之后，评述了目前拟序结构研究的动态。

In order to forecast and simulate reasonably the behavior of oil spill, the thesis presents a progressive simulation method based on"oil particle"method, namely, dividing the oil spill behavior into self-expansion and turbulent current expansion, then using different numerical methods to simulate and forecast.

为合理地预测模拟溢油的行为动态，本文在&油粒子&模式的基础上提出了溢油运动的分阶段模拟法，即将溢油运动过程分为自身扩展和湍流扩散两个阶段，分别用不同的数值方法进行模拟预测。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐