annular space
英 [ˈænjələ(r) speɪs]
美 [ˈænjələr speɪs]
网络 环形空间; 环空; 环隙
双语例句
- Numerical simulation of the gas phase flow field in inlet annular space of a guide vane cyclone tube
导叶式旋风管入口环形空间内气相流场数值模拟 - The calculation of the pressure drop for the laminar helical flow of power law fluids in the annular space
偏心扒杆式输送螺旋幂律液体环形空间层流螺旋流的压降计算 - Adding air pressure within the annular space between the housing and sleeve can throttle, or close the valve.
在阀体外壳和套管之间的环形空间内施加气压，即可实现阀门的节流和关闭功能。 - Some mechanical recovery wells in Chengdao Oilfiled produce oil in tubing-casing annular space.
胜利埕岛油田部分机械采油井存在油套环空出油现象。 - Applicable for hanging the casing string, sealing the annular space between the casings. Structure: integral or multi layers.
用来固定井口、悬挂井下管柱、密封和控制管柱间的环形空间，结构形式：分体式或整体式。 - The annular space is evacuated and contains multiplayer insulation. The gap is caused by air lifting a corner of the blanket up.
环形空隙被抽空排气，装有多层隔热材料。裂缝的产生是由于空气将隔热板的一角掀起。 - Many problems in petroleum and chemical industry can be reduced to the solutions of the helical flow of Non-Newtonian fluid in eccentric annular space.
石油和化工中许多问题需要求解非牛顿流体偏心环空螺旋流。 - The calculation formula of equivalent conductivity factor in free convection on annular space is determined.
通过试验确定了双重保温管道环行空间自然对流换热在低Cr.Pr数下当量导热系数的计算公式。 - The Reynolds Stresss Model ( RSM) was selected to simulate the strongly swirling turbulent flow in the annular space of a cyclone separator.
采用改进的雷诺应力模型对旋风分离器上部环形空间内的强旋湍流流动进行了数值模拟，重点分析了顶板和升气管附近的局部二次涡。 - The expressions of velocity and flow rate of helical flow of a general viscous fluid has been obtained by using helical flow in a vertical annular space as an idealized flow model.
本文用垂直同轴圆柱环形空间内的螺旋流流场作为钻井井内流体流场的理想化模型，得出了任意纯粘性流体螺旋流流场的速度及排量表达式。 - This paper studies the flow law of the laminar helical flow of the power law fluid and Billgham fluid in eccentric annular space and the determination of the flow state.
本文全面地研究了幂律流体和宾汉流体在偏心环空中层流螺旋流的流动规律与流动状态的判别。 - Based the results of the calculating and considering, the temperature in annular space outside the drill stem should be no more than Ot, and corresponding suggestions are proposed.
根据计算和研究的结果，指出了为了保证在冻土中进行正常钻井，从外环状空间内返回的冲洗介质的温度不宜高于0℃，并提出了相应的建议。 - A study on helical flow of Bingham fluid in annular space
宾汉流体环空螺旋流层流流场的研究 - The pressure will become discontinuity at the transition section in the annular space.
在变截面环空井段过渡截面处，压力分布有突变。 - Study on flow field in the annular space of a cyclone separator with a volute inlet
蜗壳式旋风分离器环形空间流场的研究 - Experimental study of gas-liquid two-phase flow in vertical annular space
垂直环空气液两相流流型的实验研究 - This paper gives a theoretical analysis of the axial flow of Bingham fluid in eccentric annular space.
本文对宾汉流体偏心环空轴向层流流场进行了理论分析，导出了速度分布、视粘度分布、分层雷诺数分布和流量的计算公式。 - Research on Blood Screw Flow in Annular Space
人体血液环形空间螺旋流动研究 - A totally new microwave assisted extractor apparatus was designed. LDA ( Laser Doppler Anemometer) method is used to measure settling velocity and rotary velocity of the fluid in the extractor and the settling velocity and rotary velocity of different layers in annular space are obtained.
介绍了用激光多普勒速度测量（LDA）的方法测定微波萃取器内流体的沉降速度和旋转速度，得到沉降速度和旋转速度在内、外环隙不同层数间的分布，研究了流量对湍流强度的影响； - The calculation and experiment results show that the maximum lifting pressure performance decreases with the increase in throat diameter of channel of variable section, water flux of low pressure and pressure ratio of steam nozzle, and has its minimum value with water nozzle annular space.
计算及研究表明：极限升压能力随变截面混合腔喉部直径、被升压的低压水流量和蒸汽喷嘴压比增加而降低，随环形水喷嘴间隙的变化出现了最小值； - The frictional pressure drop of the fluid in annular space in a surface driving screw pump system was studied.
在地面驱动螺杆泵采油系统中，井口驱动头有相当一部分的能量用于克服管道内油液流动的摩擦阻力。 - A theoretical analysis of the laminar flow in the annular space bounded by two concentric tubes with small injection and suction through the porous walls is presented in this paper.
本文对具有微量吸吮或吹注的二同轴心圆管间的层流流动问题进行了理论分析。 - This paper presents a detailed analysis of helical flow of Bin-gham fluid in annular space.
本文对宾汉流体螺旋流层流流场进行了理论分析。 - The annular space could restrain the vibration of the flow.
环空间距对振荡流有抑制作用。 - Analysis of start-up flow of visco-elastic fluid in annular space
黏弹性流体环空内的起动流分析 - Then with the example it analyses the influence of the constant of the boundary condition, the coefficient of thermal conductivity of drilling rods and the coefficient of heat transfer in the drilling rods and in the annular space, on the temperature profile in the borehole.
结合实例分析了边界条件常数、钻杆导热系数与钻杆内和环状间隙中的传热系数对孔内温度分布的影响。 - The study results show that there is a flow centre in helical flow field of Bingham fluid in annular space.
研究表明，宾汉流体环空螺旋流流场存在流核，流核宽度随流体的动塑比增大而增大，随内管转速的增加而减小。 - The turbulence properties of annular space in a cyclone were investigated by using the Laser Doppler Velocimetry.
采用激光多普勒测速系统测试了蜗壳式旋风分离器内的流场，分析了环形空间内的湍流特性。 - The cement slurry was pumped into the annular space in the casing and formation, when Oil and gas well cementing.
油气井固井时，将水泥浆注入套管与地层中环形空间中。 - When heat washover operates, the temperature of the annular space between tubing and casing changes as the entry of external heat lotion, and the real-time temperature monitoring was always a problem.
热洗时，油管和套管之间环形空间的温度会随着外部高温洗液的进入而产生变化，此温度的实时的监测始终是一个难题。