涡

Results show that the convergence is improved evidently.(3). The hybrid model which combines three-dimensional simulation in turbine and zero-dimensional simulation in the other engine components is built in the present paper after learning the zooming technique from NASA. The matching between components in a single-shaft turbojet engine after the turbine retrofitting is studied.

在对以上三种不同层次的数学模型及其解法进行了研究的基础上，鉴于NASA的部件一维仿真与总体零维仿真相结合的ZOOMING技术，本文采用将涡轮的全三维仿真与发动机总体的零维仿真相结合的方案，对某单轴涡喷发动机在涡轮改型后的匹配问题进行了研究。

The proposed quasi three-dimensional numerical model in conjunction with the dynamic block-structured grid generation method is applied successfully in the studies on the VIV and FSI problem of the submarine free-span pipelines.

本文发展的准三维数值模型与新的动态块结构数值网格技术相结合，被成功应用于海底管线管跨结构涡致耦合振动问题的研究。

The potential vorticity diagnostic system was used to analyze the development of disturbances over rainfall region in order to understand the synoptic situation and dynamical mechanism responsible for the heavy rainfall, which was observed along and over the area to the south of the quasi-stationary Mei-Yu front.

本文选取1987年 TAMEX IOP3期间5月20~22日发生於华南沿岸地区的持续性豪雨事件，针对降雨区的低压扰动进行位涡诊断分析，以探讨发生豪雨的环境特徵与持续降雨的动力机制。

This paper deals with the numerical solution of the Euler equation for airfoils using approximate boundary conditions and the effects dorsal fin on vortex over delta wing at high angles of attack.

本文研究了Euler方程的高效数值方法及背鳍对三角翼大迎角脱体涡的影响问题。

This paper studied the annulus whirl ing motion of rotary drill string.

把旋转钻柱简化为一内外有流体的柔性转子系统，分析了在内外钻井液流体作用下的钻柱涡动行为。

Helical vortex is situated on conical tube on opening 12mm. It will disappear in the elbow tube.

尾水管中涡带主要集中于直锥段，呈螺旋型，在肘管处逐渐变小消失。

My company Vortex Flowmeter, Metal Tube Variable Area Flowmeter, standard orifice flowmeter flow measurement and other products are also made vast numbers of users, our products have independent intellectual property rights, with the National Metrology production permits for the adapt to the rapid development of high technology and business challenges of the sea fierce competition, our company continuously introducing advanced technology, technical and technological equipment, product technology, quality levels improved steadily and gradually in line with international standards, a variety of products with the domestic industries, and a number of national patents and awards.

我公司的涡街流量计、金属管浮子流量计、标准孔板流量计等产品也在流量计量方面也取得广大用户的认可，我公司产品均具有自主知识产权，拥有国家计量生产许可证，为适应高科技的飞速发展和商海激烈竟争的挑战，我公司不断引进先进技术、工艺和技术装备，使产品技术、质量水平稳步提高并逐步与国际接轨，多种产品居国内同行业之首，并获得多项国家专利权和各种奖项。

I also EXAIR as the United States in China and Hong Kong agents, marketing and sales of the company's air knife, vortex tube chassis electric cooler, gas knife-type pneumatic conveying equipment, electrostatic air cleaner knives and other products.

我公司还作为美国EXAIR公司在中国及香港地区的代理商，推广及销售该公司的气刀、涡管式电气机箱冷却器、气刀型气力输送装置、气刀式静电清除器等产品。

Furthermore, the model was applied to the simulation of the spontaneous condensation in two-phase vortex tube, and the effect of slenderness ratio, diffuser, pressure ratio and cold mass fraction on separation performance has been predicted.

应用该模型对含湿气体在涡流管内的自发凝结过程进行了模拟。通过分析凝结参数的变化，预测了基本结构参数长径比、阻涡器与操作参数压比、冷流率对装置分离性能的影响。

The water-air two-phase flow model is applied to numerically study the effect of air admission through center hole of turbine shaft on the vortex band in draft tube and the flow regime.

基于水气两相流模型，研究了水轮机主轴中心孔补气对尾水管涡带的影响以及对于改善水轮机内部流态的作用。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。