The best fire-fighting technique is simply to shut off the flow of cryogenic liquid or vaporized gas if a flammable cryogenic liquid is involved.
如果同易燃低温液体有关,最好的救火技巧是简单地切断低温液体流或蒸发的气体。
The focus of the research on the two phase flow, gas and non-Newtonian fluid in horizontal pipelines, is pressure drop, the law of liquid adhesiveness and the prediction of flow form.
水平管中气体和非牛顿液体两相流动研究的中心问题是压降和持液率的规律,以及流动型态的预测。
Any liquid or gas passing it will have streamline flow.
任何通过它的液体或气体将呈流线型的流动。
The liquid in the pipeline under certain conditions and partially vaporizes into gas state, bubble, formation of gas-liquid two-phase flow which is the process of flash.
管道中的液体在一定的条件下,部分液体气化成气体状态,产生气泡,形成气液两相流这就是闪蒸过程。
Flow regime identification in horizontal gas- liquid two- phase flow using differential pressure signal is investigated in this paper.
本文利用差压波动信号对水平管气液两相流流型辨识问题进行了研究。
The result indicates that the sound speed of gas liquid two phase flow is much lower than single phase liquid or air medium.
结果表明:气液二相流音速比单相液体或空气介质低得多,流动机构对音速变化有显著影响。
In liquid, gas or powder medium flow pipe, need different kinds of medium flow valve cut or control.
在液体、气体或粉末介质流动的管道中,需要不同种类阀门对介质的流动进行切断或控制。
Flow of gas or liquid due to a pressure difference is called viscous flow.
由于压力差引起的气体或液体流称为滞流。
Based on the flow mechanism and performance of gas liquid two phase plug flow in oil gas gathering line, a slug unit are divided into both gas slug region with liquid film and liquid slug region.
针对油气集输管线中气液两相团状流的流动机理和特点,将每一段塞单元划分为带液层的气塞区和液塞区两个区域。
Using the model, the liquid holding efficiency and pressure drop of gas lifting flow with liquid flow rate being zero was calculated.
提出了零液流量气提流动的两相流水动力学模型,应用该模型计算了零液流量气提流动的持液率和压力降。
The vortex shedding characteristics of tube bundles in line arrangement subjected to gas liquid two phase cross flow were investigated experimentally.
对受气液两相流横向冲刷的顺列管束旋涡脱离特性进行了实验研究。
Criterion for gas flow pressure loss is presented for rotating liquid film heat and mass transfer device.
提出了旋转液膜气液传热传质设备的气体压力损失的准则关系式。
It is also possible to analyze a gas liquid two phase flow condition through an edge detection of wavelet transformation and detect thermodynamic data in a gas liquid two phase flow.
对汽液两相的流动工况也可以用边缘检测小波变换去进行分析,并实现对汽液两相流动的热工数值检测。
A method of using metal probe for measuring the void fraction at any point in gas-liquid two-phase flow on Sieve tray is described.
用金属探针法测量塔板上气液两相流中某些点的含气率。
A three dimensional incompressible gas-liquid two-phase flow model was proposed to accurately simulate the fluid flow of casting's mould filling process.
为了更精确地模拟铸造充型过程的流动行为,建立了充型过程的三维不可压缩气。液两相流动模型。
In air and mist drilling, annular carries are the typical of gas, liquid and solid multiphase flow, and its mechanism and principles are very complicated.
在空气雾化钻井中,井眼环空携岩流动是一种典型的气、液、固多相流动,其机理和规律十分复杂。
One-dimensional homogeneous model based on the gas-liquid two-phase flow theory was established.
基于气液两相流理论,建立了垂直上升管内液氮气液两相流动的一维均相流模型;
With increasing of superficial gas velocities, the liquid flow regime was changed from homogeneous to transitional and radial gradient of axial liquid velocity was rather small.
且当表观气速增大,初始流体流动处于由均匀流型向过渡流型的转变,轴向液体速度在径向的梯度非常小;
The study of gas-liquid two-phase flow has important applications in engineering, such as oil, atomic energy, aerospace, dynamical and chemical engineering, etc.
气液两相流的研究在石化工程、原子能工程、航天工程、动力工程及化学工程中均具有重要的研究价值。
Based on analyzing the micro critical seepage phenomena of gas-liquid two-phase flow in a single fracture, a random and compound mathematical model was constructed to describe this phenomenon.
通过对裂缝中气液二相流体临界渗流现象的分析推理,建立描述这一现象的随机混合渗流数学模型。
A theoretical analysis is made, by applying linear stability theory, orl the model of gas-liquid stratified flow.
利用线性稳定理论。对气液两相分层流动模型进行了严格的理论分析。
In this paper, a particle trajectory model attached in an Eulerian-Lagrangian method is used to numerically simulate gas-liquid two-phase flow in RPB.
文中采用基于颗粒轨道模型的欧拉拉格朗日法对超重力旋转床中的气液两相流动与传质进行了数值模拟研究。
The status of on-line identification for gas-liquid two-phases flow regime using the different pressure fluctuation is reviewed.
介绍了根据压力波动过程实现汽(气)液两相流流型在线识别的最新研究成果;
In this paper, the conditions of bubble flow region existence are studied for upward gas-liquid two-phase flow in the vertical tubes.
文章对垂直上升管内气液两相泡状流的存在条件进行了研究。
The gas-liquid two-phase bubbly flow in an impeller of a centrifugal pump was numerically analyzed in this paper with Eulerian model.
本文采用欧拉模型对离心泵叶轮内气液两相泡状流动进行了数值模拟。
Its basic principle is that there is a quite steady flow state of annular flow in the flow pattern of gas-liquid two-phase flow.
模型是建立在压力能量消耗率最小的原理上的,其基本原理是:在气-液两相流的流型中,环状流具有相当稳定的流动状态。
In this paper, the prediction of void fraction and pressure drop for upward gas-liquid annular flow in a vertical annulus is studied.
对垂直同心环形管内上升气液环状流的截面含气率及压降预测进行了研究。
Based on the theory of gas-liquid two-phase flow, the wellbore pressure distribution problems were analyzed in the aerated drilling.
以气液两相流理论为基础,分析了充气钻井的井筒压力分布问题。
Based on the theory of gas-liquid two-phase flow, the wellbore pressure distribution problems were analyzed in the aerated drilling.
以气液两相流理论为基础,分析了充气钻井的井筒压力分布问题。
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