查询词典 jet pipe

Based on the externally breaking stone with impact wave and the theory of pulsative oscillation jet nozzle,the electric-hydraulic pulse method can be used to clean the scale deposit on the internal surface of pipe of the gathering pipeline in oilfield.

在油田集输管网清垢中，电液压脉冲技术的应用是以电液压脉冲技术体外冲击波碎石的实践和先进的振荡脉冲射流喷嘴理论为基础，利用电液压脉冲清除管道内表面垢层。

D depth-averaged model for flows in river with submerged groins;2. Simulation study of organ pipe nozzle submerged water jet;3. The submerged tunnel is simulated by the Elastic-Plastic FEM to analyse its influence on the environment.

为了分析淹没坑道对环境的影响，采用弹塑性有限元法对被淹没的坑道进行了数值计算，分析了不同情况坑道衬砌及围岩的破坏变形情况，同时提出了相应的加固方案，并对拟采用的不同方案加固效果进行了模拟分析，分析结果表明所提出的加固方案可行。

For example: automatic temperature control, scattered converter (Patent No. 992398789), the modular air conditioning unit, temperature control, electrical control of the (cyclone air jet vents spherical, drum-shaped vents) and the temperature of the casual bar adjustable air volume flow, and replacement air, a pressure-type lifting-type air conditioners, high-grade muffler, all heat exchangers, air volume control valve setting, hospital operating rooms dedicated air-conditioning units and other products to improve and perfect the fan disk pipe, variable air volume air conditioners, aluminum tuyere, Pai fans and other products; to enhance the enterprise in the market's competitiveness and vitality.

自动温控散流器（专利号992398789）、组合式空调机组（拥有8项专利技术）、温控、电控的（旋流风口、射流球型喷口、鼓形喷口）和温控的条形可调风量散流器、置换风口、压出式吊装型空调器、高等级消声器、全热交换器、定风量调节阀、医院手术室专用空调机组等系列产品，改进并完善了风机盘管、变风量空调器、铝质风口、排风扇等产品；增强了企业在市场中的竞争能力和活力。

A new type of self-resonating cavitating jet nozzle has been developed through the improve-ment of organ-pipe nozzle.

根据现场试验中所出现的问题，对风琴管脉冲喷嘴进行了改进，得到了一种新型自振空化脉冲喷嘴。

ABSTRACT Theoretical analysis of the feed pipe inflow of self-excited pulsating and cavitating jet is given on the basis of fluid transient...

利用流体瞬变流和水声学理论分析了自激振荡气蚀射流喷管内的流动规律，建立了喷管内水声学特性的特征方程，并给出了数值解。

The general planning of the on-line intelligence cutting machine for gas pipe is studied based on the theory of conceptual design in this paper .The cutting feature of laser, abrasive water jet and plasma-arc is compared, and the plasma-arc cutting method is selected according to the practical situation.

论文首先以概念设计的理论为基础对燃气管道在线智能切割机的总体方案进行了研究，对比了几种切割方法，分析了激光、磨料水射流、等离子弧的切割特点，针对实际情况指出用等离子切割的方案。

The flowfield numerical simulation of the axisymmetric jet emanating fromthe organ-pipe nozzle is made with the turbulence κ—ε two equations model, providing the basis for improving its cleaning ability.

采用湍流κ-ε二方程模型对风琴管式喷嘴内外流场进行数值模拟，弄清其流场的流动特性（轴向速度、径向速度的分布规律和衰减规律），为提高清除岩屑效率提供依据。

The computationresults show that for a organ-pipe nozzle with a given configuration size, the nondimensional axial velocity attenuates slower with the increase in stand-distance, and the nondimensional axial velocity attenuation pattern remains the same, and the nondimensional axial velocity along the jet centerline attenuates slower with the increase in distance between the nozzleexit and the impinging plate.

计算结果还表明：对给定结构尺寸的风琴管喷嘴，随着喷距的增加，沿径向的无因次轴向速度衰减变慢、沿径向无因次轴向速度衰减规律不随喷速的变化而变化；无因次轴心速度的衰减规律随着喷嘴出口到井底间距离的增大，射流轴心速度衰减变慢，但其变化幅度不大；在固定靶距情况下，无因次轴心速度衰减规律不随喷速的变化而变化。

We adopt water-jet method to embedded well point pipe.

我们采用&射水法&埋设井点管。

Water jet ted from the broken pipe.

水从破裂的水管中喷出来。

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