The steam pressure or water pressure drop.
蒸汽压力或给水压力下降。
The vapour cone effect is caused by pressure differences around the aircraft. A sudden drop in pressure associated with high speed allows water vapour, which is normally invisible, to condense as fog.
蒸汽锥效应是由于战斗机周围的压力差所导致的，高速飞行时压力的陡然降低会使不可见的水蒸气凝结成雾气。
They base this on the previously unconsidered drop in pressure that occurs when water passes from gas to liquid state in condensation.
这是根据先前当水因冷凝由气态变为液态时，气压骤降而得出的。
The coning of bottom water will happen as soon as the producing pressure drop of a well is higher than the difference of gravity caused by the difference of density between oil and water.
当油井生产形成压力降落大于油水密度差引起的重力差时，砂岩底水油藏锥进即会发生。
Dividing the rotating packed bed into different parts, this paper presents a set of experimental measurements and modeling of gas pressure drop based on air water system.
利用空气水系统对旋转填充床的气相压降进行分段模型化和实验研究。
The model is an effective method, which can be used for pressure drop of oil gas water three phase vertical upwards slug flow in which the continuous liquid phase is water phase.
本模型是计算垂直油-气-水三相弹状流中液相的连续相为水相时的压力降的有效方法。
There are many methods for analysis of the water cutting intensity using field data. The dynamic pressure drop and the water cutting volume factor are usually used in the analysis.
应用矿场资料，分析水侵强度的方法很多，压降动态法以及水侵体积系数法是比较常用的方法。
Pressure drop is another important disquisitive branching in the investigation of oil-water two-phase flow.
压降计算是油水两相水平管流的另一个重要的研究课题。
On the basis of experiment of two-phase pressure drop, for air-water flow through horizontal tube, the effect of mass velocity on the two-phase pressure drop is analyzed.
在对空气-水在水平放置的圆管内流动时的两相压降实验的基础上，分析质量流速对两相压降的影响。
In this paper, the gas pressure drop of a cross-flow rotating packed bed is studied based on air-water system.
笔者利用空气水系统对错流旋转填料床的气相压降进行实验研究。
During the hydraulic conveying of solids water mixtures in horizontal and vertical pipes, the specific pressure drop of the mixtures is relative to volumetric concentration of solids.
水力管道输送中，无论水平管还是垂直管，混合液的单位压降均同颗粒的体积浓度有关。
Based on the flow pattern of the air water mixture, a pressure drop model of air water system has been presented, and the results of this model agre...
根据混合后气液两相混合物的流动流型，模拟计算空气—水系统的压降，计算结果与实验结果较为吻合。
An apparatus for testing the pressure drop of the water injection well is developed according to the actual requirement of oil field production.
针对油田注水生产的需要研制了注水井注水压降测试装置。
Based on the flow pattern of the air water mixture, a pressure drop model of air water system has been presented, and the results of this model agree well with the results of the experiments.
根据混合后气液两相混合物的流动流型，模拟计算空气—水系统的压降，计算结果与实验结果较为吻合。
Result Hydrophobic coating porous plate could evidently increase the water retention pressure, but also increase pressure drop of gas permeability in varying degrees.
结果憎水涂层多孔板的水滞留能力显著提高，但其渗透压降也不同程度地增加。
Moreover, the water cut should be less than 95 percent, and the producing pressure drop and producing liquid rate should be held on reasonable level.
厚油层整体含水率应低于95%；生产压差和产液速度应保持合理水平。
On the base of deeply understanding of hydrocyclone, the author studied the water flow field, tracks of particles, separated efficiency, pressure drop and so on in many different conditions.
在深入了解水力旋流器的基础之上，模拟研究了多种情况下的清水流场、颗粒运动轨迹、分离效率、压降等。
Correlations for the air-side and water-side pressure drop are obtained under evaporatively cooled conditions.
在蒸发冷却时得到了空气侧和热水侧的阻力降关联式。
As guided needle valve system is greater than the amount of water displacement, the main valve pressure drop in the control room.
由于导阀系统排水量大于针阀的进水量，主阀控制室压力下降。
With oil, gas, water as working fluids, the experiment studies of frictional pressure drop characteristics of oil gas, gas water two phase flow in vertical helically coiled tubes were carried out.
分别以油气、气水为工质，对立式螺旋管内气液两相流的摩擦阻力特性进行实验研究。
Suitable means shall be provided to prevent back flow of water into steam pipes in case there is any sudden drop in steam pressure.
适当是指应能达到防止水回流到蒸汽管内，导致任何的气压突然下降。
Suitable means shall be provided to prevent back flow of water into steam pipes in case there is any sudden drop in steam pressure.
适当是指应能达到防止水回流到蒸汽管内，导致任何的气压突然下降。
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