本文分析计算了石油钻井工程偏心环空中内管转动的螺旋流动。
In this paper the spiral velocity of eccentric annulus with inner pipe turned is analysed and computed.
本文从理论和实验方面研究了石油钻井泥浆常用的幂律液体在钻柱中的螺旋流动规律。
The helical flow of power-law drilling muds in the drill string was studied both theoretically and experimentally.
流态试验表明SUFR反应器的螺旋流动特征使其接近于推流式反应器，有利于在空间上形成有机物的梯度分布。
Tests of flow pattern showed that the spiral up-flow character of the SUFR make it be similar to plug-flow-reactor, and it is favourable to form gradient distributing of the organism matter.
绕着光涡旋的黑暗中心，光束携带的能量流就像螺旋梯，沿着顺时针或者逆时针方向流动。
Around the dark core of an optical vortex, the energy flow carried by the light beam is like a spiral staircase, flowing in a clockwise or counterclockwise direction.
流动性风险与当前的次贷危机：向下流动性螺旋曲线理论。
Liquidity risk and the current crisis: downward liquidity spirals.
试验结果表明，整体型内螺旋翅片管用于氟利昂干式蒸发器的流动沸腾传热是非常有效的。
The experimental results show that integral internal spiral fin tube is very effective for flow boiling heat transfer of freon dry evaporator.
适用于固定或流动式的滑叶型及螺旋型空气压缩机，特别适用于负荷的操作。
Applicable to fixed or mobile sliding vane type and screw air compressor, especially suitable for load operation.
提出了螺旋板式换热器用于气-液热交换时的流动阻力以及传热设计的计算方法。
A calculation method is presented for heat transfer and flow resistance of a spiral plate heat exchanger for the gas-liquid.
即使对于血流动力学不稳的患者，多层螺旋CT亦能够做出可靠和快速的诊断，不应因处置骨折而延误检查。
Multislice ct provides a reliable and rapid diagnosis even in the haemodynamically unstable patient and should not be delayed for management of the fracture.
采用有限容积法研究了圆截面螺旋管道内幂律流体的流动。
The study of the flow of power-law fluid in a helical pipe with circular section with numerical method (finite volume method).
本文引用考虑微尺度效应的雷诺方程，推导出了考虑微尺度效应的螺旋槽干气密封内部流动的近似算法。
Based on the Reynold's equations with the micro scale effects considered, a new kind of approximate algorithm for the inner flow of the spiral grooved gas seals was set up in this paper.
采用摄动方法研究了圆截面螺旋管道内幂律流体的流动。
The study of the flow of power-law fluid in a helical pipe with circular section with perturbation method.
向心螺旋的百合花卉援助流动的液体。
The centripetal spirals of the lily flower aid with the flow of liquid.
采用摄动方法研究了圆截面螺旋管道内幂律流体的流动。
The flow of power-law fluid in a helical pipe with circular section has been studied using perturbation method.
以曲率和挠率为小参数得到螺旋管道内幂律流体流动的二阶摄动解。
The second order perturbation solution for the flow of power-law fluid in stillness a helical pipe is obtained with curvature and torsion as small parameter.
分析了主动螺旋伞齿轮闭塞挤压的金属流动路线，设计了预制坯的形状。
In this paper, the metal flow route during closed die extrusion for spiral bevel driving gear of automotive final drive is analyzed and the profile of preformed blank has been designed.
利用FIRE软件建立了某柴油机螺旋进气道的三维仿真模型，对进气流动进行了CFD模拟计算。
The three-dimensional simulation model of the spiral inlet duct of a diesel engine is created with the FIRE software, and CFD simulation of inlet flow is carried out.
利用错流流动模型及膜渗透的溶解-扩散机理，对螺旋卷式膜组件中天然气的分离过程进行了模拟计算。
The simulation is developed by using cross flow mathematical model and solution-diffusion model for natural gas separation process in spiral-wound membrane modul.
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。
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.
进入涡管槽口的挟沙水流会形成强有力的螺旋流沿涡管流动，能有效地排除底部推移质泥沙。
The flow with sediment trapped by the slit of the vortex tube can form vortex inside the tube and exclude efficiently the coarse sediment near the bed layer in front of the tube.
本文对低压水-空气两相流动在立式螺旋管内向下流动的流型及其转变特性进行了实验和理论研究。
This paper describes an experimental and theoretical research on the two-phase flow pattern transition of downflow in vertical helical coils in an air-water loop.
讨论了曲率和挠度对二次流动、流函数等值线和轴向速度的影响，研究了不同曲率和挠度螺旋管道内流量与压力梯度之间的关系。
The effects of curvature and torsion on secondary flow, isoline of stream function and distribution of the axial velocity of flow were discussed.
实验研究了微肋螺旋管内两相流动传热性能，并与光滑螺旋管进行了比较。
The two-phase flow heat transfer capability is tested and compared with the smooth helical tube.
本文分析了螺旋进气道在生产过程中的偏差而导致气道几何参数的变化对气道流动特性的影响。
The paper analyzes the effect of geometrical parameter variations of helical port due to some tolerances in manufacturing, configuration on the inlet air flow characteristics.
搭建了螺旋片导流式分离器流动场测量的实验装置，并用计算机对实验系统的压力损失和分离液体量进行数据采集。
A set of experimental system used to measure flow field of spiral separator is constructed, with the experimental data, such as the pressure and flow rate of gas and the weight of drained water etc.
磁场使得这种向外流动形成螺旋状轨道，微粒就被这些离子带动而形成螺旋状条纹。
The magnetic field turns this outward flow into spiral-shaped orbits, and the microparticles become swept along by these ions and pushed into vortices around the filaments.
盐蒸发器自动清洗技术 ，是由循环流动的蒸发溶液带动加热管内的螺旋扭带旋转来实现的。
This paper introduces a new kind of evaporators in which a self-rotating spiral and a driving wheel with spiral flange are installed in heating chamber.
混流式水轮机在非设计工况点下运行时，尾水管内部的非定常流动是由死水域和螺旋涡带的动态行为引起的，尾水管上部的螺旋涡带旋转引起流动的基频脉动。
The unsteady flow in a draft tube of Francis turbine under the off-design operation is produced by the dynamic behavior of a helical vortex rope with the dead core.
对蒸发状态下水平螺旋槽管管外壁面升膜的形成机理和流动特性进行了研究。
The mechanism of the formation of the rising liquid thin film and its flow characteristics on the fluted surface of a horizontal tube was investigated.
对蒸发状态下水平螺旋槽管管外壁面升膜的形成机理和流动特性进行了研究。
The mechanism of the formation of the rising liquid thin film and its flow characteristics on the fluted surface of a horizontal tube was investigated.
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