查询词典 vortex sheet

The mechanism of the energy separation of a vortex tube is caused by the unsteady variation of pressure, viscosity stress and heat transfer through the energy equation.

本文在涡流管机理研究方面，从能量基本方程出发，推导出引起能量分离的因素是压力的不定常波动、粘性应力和热量传递。

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。

In the experimental investigation of acoustic streaming, flow visualization techniques are used. The flow patterns of the vortex structures in the tube which transform with the variation of Sound Pressure Level of reflecting end are recorded in detail under the resonate frequency of the tube.

在对驻波声流的实验研究中，首先采用了流动显示技术对共振频率下，驻波管中稳定对称的声流旋涡结构随反射端声压级的变化作了全面细致的记录研究。

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。

Providing researchers understand the limitations of the vortex theory, then I see it as a reasonable hypothes is.

研究者提供理解的局限性涡理论，那么我认为这是一个合理的假说。

The statistical vortex structure theory of turbulence was put forward by late professor Zhou in the 1950s'.

旋涡结构的湍流统计理论是已故周培源教授在20世纪50年代率先提出来的。

Aerodynamic performance calculation based finite blade vortex theory and aerodynamic optimization design based genetic algorithms.

基于有限片桨叶涡流理论的气动性能计算和采用遗传优化算法的优化设计。

We were cousins—his grandfather was King of Scots,and his great-grandfather was Henry VII of England.

我们是堂姐弟——他的祖父曾是苏格兰国王，他的曾祖父是英格兰的亨利二世。

I do want to help you, but I am in a quandary now!

我是想帮你，但是我现在左右为难啊！